{"id":150041,"date":"2026-02-28T17:02:31","date_gmt":"2026-02-28T17:02:31","guid":{"rendered":"https:\/\/devsdata.com\/case-studies\/extensive-modernization-of-a-legacy-wordpress-ecommerce-site\/"},"modified":"2026-03-30T10:36:05","modified_gmt":"2026-03-30T10:36:05","slug":"extensive-modernization-of-a-legacy-wordpress-ecommerce-site","status":"publish","type":"case_study","link":"https:\/\/devsdata.com\/de\/case-studies\/extensive-modernization-of-a-legacy-wordpress-ecommerce-site\/","title":{"rendered":"Extensive modernization of a legacy WordPress eCommerce site"},"content":{"rendered":"<section>\n<h1>Extensive modernization of a legacy WordPress eCommerce site<\/h1>\n\n    <style>`\n        .post-info {\n            display: flex;\n            flex-direction: row;\n            font-family: Montserrat;\n            font-style: normal;\n            font-weight: 500;\n            font-size: 16px;\n            line-height: 150%;\n            letter-spacing: 0.02em;\n            color: #6D7082;\n            \/*padding-top:32px;*\/\n        }\n\n        .info-container .post-info {\n            display: flex;\n            flex-direction: column;\n            justify-content: space-between;\n        }\n\n        .post-info-main {\n            width: 100%;\n            display: flex;\n            flex-wrap: wrap;\n            row-gap: 5px;\n            column-gap: 20px;\n            grid-template-rows: repeat(3, auto);\n            grid-template-columns: 60px max-content auto;\n            margin-bottom:12px;\n        }\n\n        .with-reviewer {\n            flex-wrap: wrap;\n            row-gap: 5px;\n        }\n\n        .author-name {\n            margin-bottom:4px;\n            grid-row-start: 2;\n            text-decoration: underline;\n            color:black !important;\n        }\n\n        .rank-math-breadcrumb {\n            margin-top:20px;\n            position: relative;\n            z-index: 1;\n        }\n\n        .rank-math-breadcrumb p {\n            margin: 0;\n            white-space: nowrap; \n            overflow: hidden;\n            text-overflow: ellipsis;\n            gap: 8px;\n            display: flex;\n        }\n\n        .rank-math-breadcrumb a {\n            color: #6d7082;\n        }\n\n        .rank-math-breadcrumb a:hover {\n            text-decoration: underline;\n            color: #0332c9;\n        }\n\n        .author-avatar {\n            display: flex;\n            justify-content: center;\n            margin-right: 15px;\n            width: fit-content;\n            grid-row-start: span 2;\n            grid-row-end: 4;\n        }\n\n        .author-avatar picture {\n            display: flex;\n            justify-content: center;\n            align-items: center;\n        }\n\n        .author-avatar.clicked {\n            transform: scale(1.1);\n        }\n\n        .post-info .author-avatar img {\n            min-width:44px;\n            height: 44px;\n            width: auto;\n            object-fit: cover;\n            aspect-ratio: 1\/1;\n            filter: grayscale(1);\n            border-radius: 100%;\n            position: relative;\n            top: 2px;\n        }\n\n        .post-info .author_socials {\n            display: flex;\n            flex-direction: row;\n            align-items: center;\n            grid-row-start: 3;\n            grid-column: span 2;\n            gap: 15px;\n            list-style-type: none;\n            padding: 0;\n            margin: 0;\n        }\n\n        .post-info .author_socials li a {\n            display: flex;\n            align-item: center;\n            text-decoration: none;\n        }\n\n        .author_socials a svg {\n            width: 16px;\n            height: 16px;\n            transition: 0.3s;\n            color: #000;\n        }\n      \n        .author_socials li:hover svg {\n            color: #0332c9;\n        }\n\n        .right-info a {\n            width: fit-content;\n            color: unset;\n        }\n\n        .right-info a:hover {\n            text-decoration: underline;\n        }\n\n        .post-info .clock {\n            position: relative;\n            padding-right: 5px;\n            top: 2px;\n        }\n\n        .post-info .arrow {\n            position: relative;\n            margin-left: 10px;\n            margin-right: 10px;\n            transition: .2s;\n            height: 6px;\n            bottom: 1px;\n        }\n        .post-info .post-info-separator {\n            padding-right: 3px;\n            padding-left: 3px;\n        }\n\n        .reviewer-info {\n            display: flex;\n            flex-direction:column;\n            justify-content: center;\n            align-items: flex-start;\n            grid-row-start: 2;\n            align-self: start;\n            justify-self: end;\n            font-family: \"Montserrat\", arial;\n            color: #000;\n        }\n\n        .reviewer-info.the_first_row {\n            justify-self: start;\n            grid-row-start: 1;\n            grid-column: span 3;\n        }\n\n        .meta-checkmark {\n            width: 20px;\n            height: auto;\n        }\n\n        .reviewer-info a {\n            margin-left: 0;\n            color: #000;\n            text-decoration: underline;\n        }\n        .reviewer-info a:hover {\n            color: #0332c9;\n        }\n        .reviewer-info a:visited {\n            color: #551a8b;\n        }\n        .reviewer-info a:active {\n            color: #0332c9;\n        }\n        .language-dropdown-container {\n            display: inline-block;\n            width: 200px;\n        }\n\n        .language_switcher {\n            display: inline-flex;\n            align-items: center;\n            flex-direction: row;\n            gap: 5px;\n            vertical-align: middle;\n        }\n        \n        .language_switcher .wpml-ls-legacy-dropdown {\n            width: auto;\n            position: relative;\n            vertical-align: middle;\n        }\n\n        .language_switcher .wpml-ls-legacy-dropdown ul {\n            list-style: none;\n            padding: 0;\n            margin: 0;\n        }\n\n        .language_switcher .wpml-ls-legacy-dropdown .wpml-ls-current-language {\n            position: relative;\n            margin-bottom:0;\n        }\n\n        .language_switcher .wpml-ls-legacy-dropdown .wpml-ls-current-language > a {\n            padding-left:16px !important;\n            display: flex;\n            align-items: center;\n            justify-content: space-between;\n            width: 100%;\n            box-sizing: border-box;\n        }\n\n        .language_switcher .wpml-ls-legacy-dropdown .wpml-ls-sub-menu {\n            display: none;\n            position: absolute;\n            z-index: 10;\n            top: 100%;\n            left: 0;\n            width: 100%;\n            margin: 0;\n            background-color: rgb(238, 238, 238);\n            border-radius: 0 0 8px 8px;\n            overflow: hidden;\n        }\n\n        .language_switcher .wpml-ls-legacy-dropdown .wpml-ls-sub-menu li {\n            display: block;\n            width: 100%;\n            margin-bottom:0;\n        }\n\n        .language_switcher .wpml-ls-legacy-dropdown .wpml-ls-sub-menu li:hover {\n            background-color:rgba(204, 204, 211) !important\n        }\n\n        .language_switcher .wpml-ls-legacy-dropdown .wpml-ls-sub-menu a {\n            display: block;\n            width: 100%;\n            padding: 8px 15px 8px 16px;\n            margin-left: 0;\n            box-sizing: border-box;\n            white-space: nowrap;\n            text-align: left;\n        }\n\n        @media (hover: hover) {\n            .language_switcher .wpml-ls-legacy-dropdown .wpml-ls-current-language:hover > .wpml-ls-sub-menu {\n                display: block;\n            }\n        }\n\n        .language_switcher .wpml-ls-legacy-dropdown .wpml-ls-current-language.wpml-dropdown-open > .wpml-ls-sub-menu {\n            display: block;\n        }\n\n        .language_switcher .wpml-ls-legacy-dropdown .wpml-ls-current-language.wpml-dropdown-open > a.wpml-ls-item-toggle:after {\n            transform: scale(.7) rotate(180deg);\n        }\n\n        .language_switcher .wpml-ls-legacy-dropdown .wpml-ls-current-language.wpml-dropdown-open > .wpml-ls-item-toggle {\n            border-radius: 8px 8px 0 0;\n            background-color: rgba(204, 204, 211);\n        }\n\n        .wpml-ls-legacy-dropdown a:focus {\n            background-color: #FFFFFF;\n        }\n\n        .language_switcher .wpml-ls-legacy-dropdown a:visited {\n            color: #000000 !important;\n        }\n\n        .wpml-ls-legacy-dropdown a.wpml-ls-item-toggle:after {\n            content: \"\";\n            display: inline-block;\n            transform: scale(.7);\n            height: 20px;\n            width: 20px;\n            background: url(\"\/wp-content\/uploads\/2020\/07\/Vector.png\");\n            margin-left: 5px;\n            background-repeat: no-repeat;\n            background-position: center center;\n            background-size: 10px;\n            border: none;\n            position: unset;\n            background-color: #eee;\n            border-radius: 50%;\n            padding: 10px;\n            transition: transform 0.2s ease-in-out;\n            vertical-align: middle;\n            flex-shrink: 0;\n        }\n\n        .language_switcher a {\n            border: none;\n            padding: 10px 15px;\n        }\n\n        .wpml-ls-legacy-dropdown a.wpml-ls-item-toggle {\n            padding: 0 5px 0 2px !important;\n        }\n\n        @media (hover: hover) {\n            .wpml-ls-sub-menu a.wpml-ls-link:hover,\n            .language_switcher .wpml-ls-legacy-dropdown a.wpml-ls-item-toggle:hover {\n                background-color: rgba(204, 204, 211);\n                color: #000000 !important;\n                text-decoration: none;\n            }\n        }\n\n        .wpml-ls-sub-menu {\n            border: none !important;\n            background-color: transparent;\n        }\n\n        .wpml-ls-sub-menu a {\n            background-color: #FFFFFF;\n        }\n\n        .wpml-ls-current-language .wpml-ls-item-toggle {\n            border-radius: 8px;\n        }\n\n        @media (hover: hover) {\n            .wpml-ls-current-language:hover .wpml-ls-sub-menu a {\n                background-color: rgb(238, 238, 238) !important;\n            }\n\n            .wpml-ls-current-language .wpml-ls-sub-menu a:hover,\n            a.wpml-ls-item-toggle:hover:after {\n                background-color: rgba(204, 204, 211) !important;\n            }\n\n            .wpml-ls-current-language:hover a.wpml-ls-item-toggle:after {\n                transform: scale(.7) rotate(180deg);\n            }\n\n            .wpml-ls-current-language:hover .language_switcher .wpml-ls-legacy-dropdown a {\n                background-color: rgba(109, 112, 130, 0.1);\n            }\n\n            .wpml-ls-current-language:hover .wpml-ls-item-toggle{\n                border-radius: 8px 8px 0 0;\n            }\n\n            .wpml-ls-current-language:hover .wpml-ls-item:last-child .wpml-ls-link{\n                border-radius: 0 0 8px 8px;\n            }\n        }\n\n        .wpml-ls-current-language.wpml-dropdown-open .wpml-ls-sub-menu a {\n            background-color: rgb(238, 238, 238) !important;\n        }\n\n        .wpml-ls-current-language.wpml-dropdown-open .wpml-ls-item:last-child .wpml-ls-link{\n            border-radius: 0 0 8px 8px;\n        }\n\n        ul.language-list {\n            \/*min-height: 71px;*\/\n            margin: 0;\n            overflow: hidden;\n            position: absolute;\n            display: inline-block;\n            list-style: none;\n            vertical-align: top;\n            background-color: #FFFFFF;\n            padding: 0;\n            z-index: 2;\n        }\n\n        ul.language-list.mobile {\n            border-radius: 10px;\n            border: 1px solid rgba(109, 112, 130, 0.1);\n            margin-left: 10px;\n        }\n\n        .language-list.mobile li:hover {\n            background-color: rgba(109, 112, 130, 0.1)\n        }\n\n        .language-list.mobile li:hover a {\n            color: #000000;\n        }\n\n        .dropdown-arrow {\n            display: inline-block;\n            border-radius: 50%;\n            height: 30px;\n            width: 30px;\n        }\n\n        .dropdown-arrow {\n            background-color: rgba(109, 112, 130, 0.1);\n        }\n\n        .dropdown-arrow:hover {\n            background-color: rgba(109, 112, 130, 0.3);\n        }\n\n        .dropdown-arrow.mobile,\n        .dropdown-arrow.mobile:hover {\n            background-color: unset;\n        }\n\n        .language-list li {\n            padding-left: 10px;\n            cursor: pointer;\n            display: none;\n        }\n\n        .language-list li a {\n            color: #6D7082;\n            text-decoration: none;\n        }\n\n        .language-list li:first-child {\n            display: block;\n        }\n\n        .active li {\n            display: block;\n        }\n\n        .rotated {\n            transform: rotate(180deg);\n            bottom: 2px !important;\n        }\n        .bookmark {\n            align-self: center;\n            cursor:pointer;\n            display:none;\n        }\n        \n        .article h1 + p,\n        .article h1 + p + p {\n            margin: 0;\n            margin-bottom: 0 !important;\n        }\n\n        .info-container{\n            \/*min-height:150px;*\/\n            direction: ltr;\n            display: flex;\n            flex-direction: column;\n            justify-content: space-between;\n            padding-top: 20px;\n        }\n        .tags{\n            font-family: \"Montserrat\", sans-serif;\n            display: flex;\n            flex-direction: row;\n            justify-content: flex-start;\n            flex-wrap: wrap;\n            width: 100%;\n            overflow: hidden;\n            font-size: 14px;\n            border-radius: unset;\n            margin-bottom:20px;\n        }\n        .tags a {\n            font-style: normal;\n            line-height: 1.75em;\n            border: 0.5px solid #e2e5e9;\n            margin-right: 7px;\n            margin-top: 7px;\n            transition: 0.2s;\n            transition-property: background;\n            border-radius: 5px;\n            padding: 0.2em 0.8em;\n            color: black;\n        }\n        .tags a:hover {\n            background-color: #c1c7d0;\n        }\n\n        .tags a:visited {\n            color: #000;\n        }\n        .tags a:active {\n            color: #000;\n        }\n        .default-a:focus {\n            background-color: unset;\n        }\n\n        .default-a:hover{\n            text-decoration: underline;\n        }\n        .separator {\n        color:black !important;\n        font-weight:600;\n        }\n        .last {\n        color:black !important;\n        font-weight:600;\n        }\n        @media screen and (max-width:1034px) {\n        .author_links {\n        margin-right:auto;\n        }\n        .reviewer-info {\n        width: 100%;\n        }\n        }\n        @media screen and (max-width:767px) {\n        .language_switcher {\n        display: flex;\n        margin-top: 5px;\n        }\n        }\n        @media screen and (max-width:490px) {\n        .review-lowres {\n        display:flex !important;\n        }\n        .review-highres {\n        display:none !important;\n        }\n        .author_links {\n        margin-right:36px !important;\n        } \n        }\n    <\/style>\n    <div><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav><\/div>\n    \n    <div class=\"info-container\">\n    <div class=\"post-info with-reviewer\">\n        <div class=\"post-info-main\">\n            <div class=\"author-avatar\">\n                <picture>\n                        <source\n                            srcset=\"https:\/\/devsdata.com\/wp-content\/uploads\/2024\/11\/tompotanski-new-min.webp\" type=image\/webp> \n                        <source \n                            srcset=\"https:\/\/devsdata.com\/wp-content\/uploads\/2024\/11\/tompotanski-new-min.jpg\" type=\"image\/jpeg\">\n                        <img decoding=\"async\" \n                            class=\"avatar lazyload\"\n                            width=\"64\" \n                            height=\"64\"\n                            src=\"https:\/\/devsdata.com\/wp-content\/uploads\/2024\/11\/tompotanski-new-min.jpg\"\n                            alt=\"avatar\"\n                            loading=\"lazy\"\n                            title=\"Tom Potanski\"\n                        >\n                <\/picture>\n            <\/div>\n            <div style=\"display:flex; flex-direction:column;margin-right:auto;\" class=\"author_links\">\n            <a href=\"\/author\/tom-potanski\/\" class=\"author-name\">Tom Potanski<\/a>\n            <ul class=\"author_socials\">\n            <li>\n                <a href=\"https:\/\/www.linkedin.com\/in\/tompotanski\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" aria-label=\"Tom Potanski on Linkedin\">\n                    <svg version=\"1.0\" fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" aria-hidden=\"true\">\n                            <g id=\"linkedin5_layer\">\n                                <path d=\"M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z\" data-hs-event-238572417=\"1\"><\/path>\n                            <\/g>\n                        <\/svg>\n                <\/a>\n            <\/li>\n            <li>\n                <a href=\"https:\/\/www.crunchbase.com\/person\/tom-potanski\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" aria-label=\"Tom Potanski on Crunchbase\">\n                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"currentColor\" width=\"800px\" height=\"800px\" viewBox=\"0 0 24 24\" role=\"img\">\n                            <title>Crunchbase icon<\/title>\n                            <path d=\"M21.6 0H2.4A2.41 2.41 0 0 0 0 2.4v19.2A2.41 2.41 0 0 0 2.4 24h19.2a2.41 2.41 0 0 0 2.4-2.4V2.4A2.41 2.41 0 0 0 21.6 0zM7.045 14.465A2.11 2.11 0 0 0 9.84 13.42h1.66a3.69 3.69 0 1 1 0-1.75H9.84a2.11 2.11 0 1 0-2.795 2.795zm11.345.845a3.55 3.55 0 0 1-1.06.63 3.68 3.68 0 0 1-3.39-.38v.38h-1.51V5.37h1.5v4.11a3.74 3.74 0 0 1 1.8-.63H16a3.67 3.67 0 0 1 2.39 6.46zm-.223-2.766a2.104 2.104 0 1 1-4.207 0 2.104 2.104 0 0 1 4.207 0z\"\/>\n                        <\/svg>\n                <\/a>\n            <\/li>\n            <li>\n                <a href=\"https:\/\/medium.com\/@tompotanski\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" aria-label=\"Tom Potanski on Medium\">\n                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"800px\" height=\"800px\" viewBox=\"0 -55 256 256\" version=\"1.1\" preserveAspectRatio=\"xMidYMid\">\n                        <g>\n                            <path d=\"M72.2009141,1.42108547e-14 C112.076502,1.42108547e-14 144.399375,32.5485469 144.399375,72.6964154 C144.399375,112.844284 112.074049,145.390378 72.2009141,145.390378 C32.327779,145.390378 0,112.844284 0,72.6964154 C0,32.5485469 32.325326,1.42108547e-14 72.2009141,1.42108547e-14 Z M187.500628,4.25836743 C207.438422,4.25836743 223.601085,34.8960455 223.601085,72.6964154 L223.603538,72.6964154 C223.603538,110.486973 207.440875,141.134463 187.503081,141.134463 C167.565287,141.134463 151.402624,110.486973 151.402624,72.6964154 C151.402624,34.9058574 167.562834,4.25836743 187.500628,4.25836743 Z M243.303393,11.3867175 C250.314,11.3867175 256,38.835526 256,72.6964154 C256,106.547493 250.316453,134.006113 243.303393,134.006113 C236.290333,134.006113 230.609239,106.554852 230.609239,72.6964154 C230.609239,38.837979 236.292786,11.3867175 243.303393,11.3867175 Z\" fill=\"currentColor\"><\/path>\n                        <\/g>\n                    <\/svg>\n                <\/a>\n            <\/li><\/ul>\n            <\/div>\n            <div class=\"reviewer-info\"> \n                                                                            <span style=\"color:#6D7082;\" class=\"\">\n                Last updated on \n                28. Februar 2026 \n                <span class=\"post-info-separator\">| <\/span> \n                10 min read\n                \n            <\/span>\n                            <\/div>\n        \n        <\/div>\n    <\/div>\n    <div class=\"bookmark\">\n        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/08\/bookmark-add-2-1.svg\" alt=\"bookmark\" title=\"\">\n    <\/div>\n    <div class=\"tags\"><\/div>\n    <\/div>\n    <script type=\"module\" defer>\n      document.addEventListener(\"DOMContentLoaded\", function () {\n    \/\/ Get the current path from the URL\n    const path = window.location.pathname;\n\n    \/\/ Check if it starts with \/case-studies\n        if (path.startsWith(\"\/case-studies\")) {\n        const tagsElement = document.querySelector(\".tags\");\n        if (tagsElement) {\n        tagsElement.style.marginBottom = \"0\";\n        }\n        }\n        });\n        Array.from(document.getElementsByClassName(\"separator\")).forEach(el => {\n            el.textContent = \" > \";\n        });\n\n            var wpmlToggle = document.querySelector(\".language_switcher .wpml-ls-item-toggle\");\n            if (wpmlToggle) {\n                wpmlToggle.addEventListener(\"click\", function(e) {\n                    e.preventDefault();\n                    e.stopPropagation();\n                    var currentLang = this.closest(\".wpml-ls-current-language\");\n                    if (currentLang) {\n                        currentLang.classList.toggle(\"wpml-dropdown-open\");\n                    }\n                });\n                document.addEventListener(\"click\", function(e) {\n                    var openDropdown = document.querySelector(\".wpml-ls-current-language.wpml-dropdown-open\");\n                    if (openDropdown && !openDropdown.contains(e.target)) {\n                        openDropdown.classList.remove(\"wpml-dropdown-open\");\n                    }\n                });\n            }\n\n            var languageList = document.querySelector(\"#language-list\");\n            var dropdownArrow = document.querySelector(\".dropdown-arrow\");\n\n            if(languageList){\n                languageList.addEventListener(\"click\", () => {\n                    languageList.classList.toggle(\"active\");\n                    document.querySelector(\"#arrow\").classList.toggle(\"rotated\");\n                })\n            }\n                \n            function handleViewportChange() {\n                if(languageList) {\n                    if (window.innerWidth < 1280) {\n                        if(!languageList.classList.contains(\"mobile\")) {\n                            languageList.classList.add(\"mobile\");\n                            dropdownArrow.classList.add(\"mobile\");\n                        }\n                    } else {\n                        if(languageList.classList.contains(\"mobile\")) {\n                            languageList.classList.remove(\"mobile\");\n                            dropdownArrow.classList.remove(\"mobile\");\n                        }\n                    }\n                };\n            };\n\n            \/\/ If there is a small\/no space between reviewer and author name, reviewer moves to the first row\n            function update_post_info_layout() {\n                const author_name_element = document.querySelector(\".author-name\");\n                const reviewer_element = document.querySelector(\".reviewer-info\");\n                const post_info_container = document.querySelector(\".post-info\");\n\n                if(reviewer_element) {\n                    let distance_next_to_author, reviewer_fits_next_to_author; \n                    if(post_info_container && author_name_element) {\n                        distance_next_to_author = post_info_container.getBoundingClientRect().right - author_name_element.getBoundingClientRect().right;\n                        reviewer_fits_next_to_author = distance_next_to_author - reviewer_element.clientWidth >= 15;\n                    }\n\n                    if(!reviewer_fits_next_to_author) {\n                        reviewer_element.classList.add(\"the_first_row\");\n                    } else if (reviewer_fits_next_to_author && reviewer_element.classList.contains(\"the_first_row\")) {\n                        reviewer_element.classList.remove(\"the_first_row\");\n                    }\n                }\n            }\n\n            handleViewportChange();\n            update_post_info_layout();\n             \n            window.addEventListener(\"resize\", () => {\n                handleViewportChange();\n                update_post_info_layout();\n            });\n    <\/script>\n\n        <span class=\"img-container\">\n            <picture class=\"\" style=\"filter: grayscale(0)\">\n                <source media=\"(max-width: 500px)\" srcset=\"\/wp-content\/uploads\/2026\/01\/poczta_thumbnail_small.webp\" type=\"image\/webp\">\n                <source media=\"(max-width: 500px)\" srcset=\"\/wp-content\/uploads\/2026\/01\/poczta_thumbnail_small.jpg\" type=\"image\/jpg\">\n                <source srcset=\"\/wp-content\/uploads\/2026\/01\/poczta_thumbnail.webp\" type=\"image\/webp\">\n                <source srcset=\"\/wp-content\/uploads\/2026\/01\/poczta_thumbnail.jpg\" type=\"image\/jpg\">\n                <img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/01\/poczta_thumbnail.jpg\" width=\"640\" height=\"357\" alt=\"Poczta Kartkowa Thumbnail testimonial\" title=\"\">\n            <\/picture>\n        <\/span>\n    \n<ul>\n<li>DevsData LLC helped Poczta Kartkowa transform its aging WordPress eCommerce platform into a stable and maintainable system.<\/li>\n<li>With improved performance and reliable integrations for payments and deliveries, the platform now operates with greater stability.<\/li>\n<\/ul>\n<\/section>\n<section>\n<h2>Introduction<\/h2>\n<p><a href=\"https:\/\/pocztakartkowa.pl\/\" target=\"_blank\" rel=\"nofollow noreferrer noopener\">Poczta Kartkowa<\/a>, a Polish online store offering personalized greeting cards, had built a strong online presence through its WordPress-based eCommerce platform. As the company introduced new card categories, gift bundles, and personalization features, traffic grew significantly during holidays and special occasions. To keep up with this demand, the platform needed technical upgrades to improve speed, reliability, and integrations with payment and delivery services.<\/p>\n<p><a href=\"\/\" target=\"_blank\" rel=\"noreferrer noopener\">DevsData LLC<\/a> was engaged to strengthen the platform\u2019s stability, improve critical workflows, and enhance integrations with payment and delivery services. The project focused on modernizing the system\u2019s foundation without altering its visual layer, allowing Poczta Kartkowa to serve customers reliably while gaining the technical capacity to support future growth.<\/p>\n\n        <span class=\"img-container\">\n            <picture class=\"open-picture\" style=\"filter: grayscale(0)\">\n                <source media=\"(max-width: 500px)\" srcset=\"\/wp-content\/uploads\/2025\/12\/poczta_summary_small.webp\" type=\"image\/webp\">\n                <source media=\"(max-width: 500px)\" srcset=\"\/wp-content\/uploads\/2025\/12\/poczta_summary_small.jpg\" type=\"image\/jpg\">\n                <source srcset=\"\/wp-content\/uploads\/2025\/12\/poczta_summary.webp\" type=\"image\/webp\">\n                <source srcset=\"\/wp-content\/uploads\/2025\/12\/poczta_summary.jpg\" type=\"image\/jpg\">\n                <img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/12\/poczta_summary.jpg\" width=\"640\" height=\"357\" alt=\"Poczta Data testimonial\" title=\"\">\n            <\/picture>\n        <\/span>\n    \n<\/section>\n<section>\n<h2>Client overview<\/h2>\n<p>Poczta Kartkowa is a Polish eCommerce shop focused on greeting cards and gift items. Through its online platform, customers can browse a wide selection of designs and personalize their cards. The company\u2019s offering combines the ease of digital ordering with the personal touch of physical products, helping customers mark special occasions in a memorable way.<\/p>\n<p>Over the years, Poczta Kartkowa has grown into a recognizable brand within its niche. By integrating its store with delivery services and maintaining a diverse product catalog, it has built a loyal customer base. The company\u2019s continued expansion created a need for stronger technical foundations, including improvements to backend architecture and database performance.<\/p>\n<\/section>\n<section>\n<h2>Project scope<\/h2>\n<p>Poczta Kartkowa engaged DevsData LLC to revamp and stabilize its WordPress eCommerce platform while maintaining the existing customer-facing design. The objective was to establish a stronger technical foundation that would enable the store to handle higher traffic volumes, process orders reliably, and support new business features as the company expanded.<\/p>\n<p>The company chose DevsData LLC for its <a href=\"\/case-studies\/\" target=\"_blank\" rel=\"noreferrer noopener\">extensive experience<\/a> with <a href=\"\/case-studies\/carbon-capture\/\" target=\"_blank\" rel=\"noreferrer noopener\">complex WordPress<\/a> and <a href=\"\/case-studies\/shopify-ecommerce-augmented-reality-private-client\/\" target=\"_blank\" rel=\"noreferrer noopener\">eCommerce systems<\/a>, as well as its proven track record in delivering stable, high-performance platforms for online businesses. DevsData LLC\u2019s ability to combine technical improvements with minimal disruption to ongoing operations was a key factor in the decision.<\/p>\n<p class=\"quote\" style=\"padding: 10px;\">The scope of work included upgrading WordPress and its plugin ecosystem, refactoring custom functionalities into more maintainable modules, and enhancing the store&#8217;s performance during seasonal traffic peaks.<\/p>\n<p>It also covered enhancing integrations with payment gateways and postal services, streamlining order workflows, and introducing monitoring and maintenance practices. Together, these measures aimed to give the platform greater stability and longevity. The project lasted four months, starting with urgent fixes and continuing with phased improvements to performance and system structure.<\/p>\n<\/section>\n<section>\n<h2>Challenge<\/h2>\n<p>As Poczta Kartkowa\u2019s store expanded, its WordPress platform needed to handle a growing product catalog and higher traffic volumes. In Poland\u2019s rapidly growing eCommerce sector, even a few seconds of delay during checkout can lead to abandoned carts and lost sales. Seasonal peaks, particularly during holidays, put extra pressure on the system and its checkout process.<\/p>\n<p>Another set of challenges involved the technical foundation itself. The platform relied on a mix of custom features and third-party plugins that were difficult to maintain, including outdated extensions for payments and shipping management. These dependencies made updates risky and time-consuming. Integrations with payment gateways and postal services also required greater reliability, as even minor disruptions could impact order fulfillment and customer trust.<\/p>\n<p>The project had to address these challenges step by step, keeping the site available for customers while modernization work was carried out in the background.<\/p>\n<\/section>\n\n            <div class=\"schedule-consultation middle-scheduler\">\n                <div class=\"block-contact\">\n                    <p>Do you have IT recruitment needs?<\/p>\n                <\/div>\n                <div class=\"contact-us-show schedule-consultation-button\">\n                    \ud83c\udfa7\n                    <span>Schedule a meeting<\/span>\n                <\/div>\n            <\/div>\n    \n<section>\n<h2>DevsData LLC\u2019s approach<\/h2>\n<p>To meet the company&#8217;s needs, DevsData LLC designed a clear plan that combined stabilization with forward-looking improvements. The approach focused on strengthening system reliability, and long-term performance without disrupting ongoing business operations.<\/p>\n<p><strong>System audit and planning<\/strong><\/p>\n<p>The work began with a comprehensive review of the WordPress environment. The team prepared a roadmap that prioritized urgent fixes and outlined the steps for gradual modernization, so essential functions would not be interrupted.<\/p>\n<p><strong>Modular refactoring<\/strong><\/p>\n<p>Custom business logic was separated from the theme and plugin files. By rebuilding these features as dedicated modules, the platform became safer to update and easier to maintain, giving the client confidence in applying future changes.<\/p>\n<p><strong>Performance and reliability focus<\/strong><\/p>\n<p>Caching, database optimization, and background task handling were built into the plan to improve speed and support higher traffic volumes. As a result, peak shopping periods, such as holidays, no longer caused slowdowns or system instability.<\/p>\n<p><strong>Long-term maintainability<\/strong><\/p>\n<p>The plan included structured testing, automated backups, and documentation. These measures allowed the client\u2019s team to manage the system more effectively and reduce reliance on emergency technical support.<\/p>\n<\/section>\n<section>\n<h2>Execution<\/h2>\n<p>With the plan in place, <a href=\"\/\" target=\"_blank\" rel=\"noreferrer noopener\">DevsData LLC<\/a> delivered the modernization in several stages, keeping the store accessible to customers throughout the process. The work involved upgrading WordPress to the latest stable version, optimizing PHP-based backend logic, and updating the MySQL database for faster queries and improved reliability. On the frontend, minor adjustments were made in HTML, CSS, and JavaScript to maintain compatibility with newer plugins and performance improvements. Continuous testing and deployment pipelines were also introduced to streamline future updates and minimize downtime.<\/p>\n<p><strong>Stabilization phase<\/strong><\/p>\n<p>Critical fixes were applied to checkout and order processing to restore reliability and reduce immediate risks. This gave the business a stable foundation before more complex changes were introduced.<\/p>\n<p><strong>Refactoring and upgrades<\/strong><\/p>\n<p>Custom functionalities were rebuilt into separate plugins, and WordPress, along with key extensions, was upgraded in stages. Each upgrade was tested in a staging environment before being released. This method reduced the risk of incompatibility and gave the client predictable outcomes at every stage.<\/p>\n<p><strong>Performance improvements<\/strong><\/p>\n<p>Caching layers were introduced, database queries were optimized, and non-essential tasks such as email notifications were moved to background processes. These steps collectively shortened page load times and made browsing and checkout more efficient for customers.<\/p>\n<p><strong>Integration testing<\/strong><\/p>\n<p>Payment and postal service integrations were tested across multiple scenarios. Safeguards such as retries and fallback mechanisms were introduced, so even in the case of errors or delays, the order workflows would continue uninterrupted.<\/p>\n<p><strong>Monitoring and operations<\/strong><\/p>\n<p>Error tracking, uptime alerts, and automated backups were implemented, giving the client ongoing visibility into the platform. This proactive setup helped identify and address issues before they could impact customers.<\/p>\n<\/section>\n<section>\n<h2 style=\"margin-bottom: 0;\">Results<\/h2>\n\n        <span class=\"img-container\">\n            <picture class=\"open-picture\" style=\"filter: grayscale(0)\">\n                <source media=\"(max-width: 500px)\" srcset=\"\/wp-content\/uploads\/2026\/01\/poczta_final_small.webp\" type=\"image\/webp\">\n                <source media=\"(max-width: 500px)\" srcset=\"\/wp-content\/uploads\/2026\/01\/poczta_final_small.jpg\" type=\"image\/jpg\">\n                <source srcset=\"\/wp-content\/uploads\/2026\/01\/poczta_final.webp\" type=\"image\/webp\">\n                <source srcset=\"\/wp-content\/uploads\/2026\/01\/poczta_final.jpg\" type=\"image\/jpg\">\n                <img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/01\/poczta_final.jpg\" width=\"640\" height=\"357\" alt=\"Poczta Results testimonial\" title=\"\">\n            <\/picture>\n        <\/span>\n    \n<p>The project was completed in four months, delivering rapid stabilization and lasting improvements that provided the client with a stronger foundation for growth.<\/p>\n<ul>\n<li><strong>Reliable checkout and order processing<\/strong><\/li>\n<\/ul>\n<p>The checkout flow was stabilized, removing disruptions, such as failed payment confirmations and delayed order status updates that had previously affected purchases. Customers were able to complete orders smoothly, which reduced abandoned carts and improved satisfaction.<\/p>\n<ul>\n<li><strong>Improved performance and faster load times<\/strong><\/li>\n<\/ul>\n<p>Optimizations in caching and database handling reduced page load times by up to half. This created a more responsive shopping experience and helped the store perform consistently during traffic surges.<\/p>\n<ul>\n<li><strong>Resilience under seasonal demand<\/strong><\/li>\n<\/ul>\n<p>The system handled peak traffic without interruptions, allowing the business to run campaigns and holiday promotions with confidence. This directly supported higher-order volumes during critical periods.<\/p>\n<ul>\n<li><strong>Stronger payment and delivery integrations<\/strong><\/li>\n<\/ul>\n<p>Payment gateways and postal services operated more reliably, supported by built-in safeguards and error handling. This provided customers with a consistent and dependable checkout and delivery experience.<\/p>\n<ul>\n<li><strong>Proactive monitoring and support tools<\/strong><\/li>\n<\/ul>\n<p>The addition of error tracking, alerts, and backups gave the business visibility into system health. Problems could be detected early, reducing downtime and lowering support costs.<\/p>\n<p>Overall, the project strengthened the store\u2019s technical foundation and created a more dependable platform for both the business team and its customers.<\/p>\n<\/section>\n<section>\n<h2>Business Impact<\/h2>\n<p>The modernization of Poczta Kartkowa\u2019s eCommerce system created lasting business value. Customers gained a more reliable platform, which built confidence and encouraged repeat purchases. Seasonal campaigns, a vital part of the company\u2019s sales cycle, could now run without the risk of downtime, protecting revenue during high-demand periods.<\/p>\n<p class=\"quote\" style=\"padding: 10px;\">For the business team, the improvements reduced the time spent on manual troubleshooting and emergency fixes. Reliable integrations with payment and delivery providers simplified operations and lowered the risk of lost orders.<\/p>\n<p>With proactive monitoring and a maintainable codebase, Poczta Kartkowa gained a platform capable of supporting future expansion and new features without jeopardizing day-to-day stability.<\/p>\n<p><strong>Key highlights of business impact<\/strong><\/p>\n<div class=\"table-container\">\n<table style=\"width: 100%\">\n<thead>\n<tr>\n<th>Area<\/th>\n<th>Impact<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Customer experience<\/td>\n<td>A faster checkout experience encouraged repeat usage and increased customer trust.<\/td>\n<\/tr>\n<tr>\n<td>Revenue protection<\/td>\n<td>A stable platform protected sales during seasonal peaks by avoiding downtime.<\/td>\n<\/tr>\n<tr>\n<td>Operational efficiency<\/td>\n<td>Reduced manual interventions and fewer technical disruptions.<\/td>\n<\/tr>\n<tr>\n<td>Integration reliability<\/td>\n<td>Payments and deliveries processed more consistently and with fewer errors.<\/td>\n<\/tr>\n<tr>\n<td>Long-term sustainability<\/td>\n<td>Maintainable codebase and monitoring tools prepared the system for growth.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section>\n<h2>Contact Us<\/h2>\n<p><a href=\"\/services\/\" target=\"_blank\" rel=\"noreferrer noopener\">DevsData LLC<\/a> has delivered more than 100 projects for over 80 clients across Europe, North America, and Latin America. Our experience spans eCommerce modernization, custom software development, and IT recruitment for organizations of all sizes.<\/p>\n<p>We help businesses update their digital platforms, improve performance, and create systems that support everyday work and new business goals. Our engineers and project managers bring hands-on experience from a wide range of industries.<\/p>\n<p>If your company plans to upgrade a WordPress platform or needs technical support for a larger web project, our team can assist.<\/p>\n<p>Contact us at <a href=\"mailto:general@devsdata.com\" target=\"_blank\" rel=\"noopener\">general@devsdata.com<\/a> or visit <a href=\"\/\" target=\"_blank\" rel=\"noreferrer noopener\">www.devsdata.com<\/a> to learn more about how we can support your next initiative.<\/p>\n<\/section>\n\n        <section class=\"author_section_container\">\n            \n            <p class=\"contact_on_twitter\">\n                Any questions or comments? Let me know on \n                <a href=\"https:\/\/twitter.com\/tompotanski\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Twitter\/X<\/a>.\n            <\/p> \n        \n            <div class=\"schedule-consultation\">\n                <div class=\"block-contact\">\n                    <p>Discover how IT recruitment and staffing can address your talent needs. Explore trending regions \n        like Poland, Portugal, Mexico, Brazil and more. <\/p>\n                <\/div>\n                <div class=\"contact-us-show schedule-consultation-button\">\n                    \ud83d\uddd3\ufe0f\n                    <span>Schedule a consultation<\/span>\n                <\/div>\n            <\/div>\n            <div class=\"author_section\">\n                <div class=\"author_photo_container\">\n                    <picture>\n                        <source srcset=\"https:\/\/devsdata.com\/wp-content\/uploads\/2024\/11\/tompotanski-new-min.webp\" type=\"image\/webp\"> \n                        <source srcset=\"https:\/\/devsdata.com\/wp-content\/uploads\/2024\/11\/tompotanski-new-min.jpg\" type=\"image\/jpeg\">\n                        <img decoding=\"async\" class=\"avatar lazyload\" width=\"64\" height=\"64\" src=\"https:\/\/devsdata.com\/wp-content\/uploads\/2024\/11\/tompotanski-new-min.jpg\" alt=\"avatar\" loading=\"lazy\" title=\"Tom Potanski\" >\n                    <\/picture>\n                    <a class=\"read_full_bio\" href=\"\/author\/tom-potanski\/\" aria-label=\"Read more from Tom Potanski\">Read full bio<\/a>\n                <\/div>\n                <div class=\"author_info_container\">\n                    <div class=\"author_info\" data-role=\"Author\">\n                        <h4 id=\"author_title\">\n                            <a href=\"\/author\/tom-potanski\/\" aria-label=\"Read more from Tom Potanski\">Tom Potanski<\/a>\n                            <span class=\"position\">Managing Director<\/span>\n                        <\/h4>\n                    <\/div>\n                <\/div>\n                <div class=\"author_about\">\n                    <span>Passionate and experienced technology leader. Combining business and technology, helping American clients find exceptional technical talent in Europe and LatAm.<\/span>\n                    <div class=\"links\">\n                        <ul class=\"author_socials\">\n            <li>\n                <a href=\"https:\/\/www.linkedin.com\/in\/tompotanski\/\" aria-label=\"Check out Tom Potanski on LinkedIn\" target=\"_blank\" rel=\"nofollow noreferrer noopener\">\n                    <svg version=\"1.0\" fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" aria-hidden=\"true\">\n                        <g id=\"linkedin5_layer\">\n                            <path d=\"M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 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