{"id":19952,"date":"2026-06-09T18:51:34","date_gmt":"2026-06-09T18:51:34","guid":{"rendered":"https:\/\/offline-web.com\/vue-migration\/"},"modified":"2026-09-21T14:38:43","modified_gmt":"2026-09-21T11:38:43","slug":"vue-migration","status":"publish","type":"page","link":"https:\/\/offline-web.com\/en\/vue-migration\/","title":{"rendered":"Application modernization"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"19952\" class=\"elementor elementor-19952\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4f0e91b9 e-flex e-con-boxed tm-col-stretched-none tm-bg-color-over-image e-con e-parent\" data-id=\"4f0e91b9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6c4fa7a2 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"6c4fa7a2\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-592ca323 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"592ca323\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-766590d elementor-widget elementor-widget-image\" data-id=\"766590d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.button-over-image\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/2-vue-migration-1024x538.png\" class=\"attachment-large size-large wp-image-20564\" alt=\"Vue 2 to Vue 3 migration \u2014 legacy Vue 2 reborn in Vue 3 with the Composition API\" srcset=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/2-vue-migration-1024x538.png 1024w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/2-vue-migration-300x158.png 300w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/2-vue-migration-768x403.png 768w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/2-vue-migration.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3cb1a854 e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"3cb1a854\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-1f403bd2 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"1f403bd2\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6d6314ad elementor-widget elementor-widget-tm-ele-text-editor\" data-id=\"6d6314ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor\" >\r\n\t\t<p>An existing application does not always need to be rebuilt from scratch. The first goal is to understand what is still working, what is holding the product back and which parts can be modernized gradually without interrupting normal development.<\/p>\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fd2d9de elementor-widget elementor-widget-tm-ele-text-editor\" data-id=\"4fd2d9de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor\" >\r\n\t\t<p>A rewrite is not always necessary. Frontend, backend, dependencies and UI can often be improved in stages. The right migration plan depends on the current architecture and the parts of the system that create the most friction.<\/p>\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d0cd627 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"d0cd627\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-44af6788 elementor-widget__width-initial elementor-widget elementor-widget-tm-ele-iconbox\" data-id=\"44af6788\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-iconbox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-sc-icon-box icon-box icon-left icon-left-style2 icon-text responsive-mobile icon-left-style2 animate-hover icon-rotate-y\">\r\n\t\r\n  \t<div class=\"icon-box-wrapper\">\r\n\t\t<div class=\"icon-left-block\">\r\n\t\t\t<div class=\"icon-box-icon\">\r\n\t\t\t\t\r\n\t\t<div class=\"icon-wrapper\">\r\n\t\t<div class=\"icon icon-round icon-type-icon-text icon-size-default\">\r\n\t\t\t\r\n\t\t\t\t<span class=\"icon-text\">\r\n\t\t\t\t01\t\t<\/span>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t<h5 class=\"icon-box-title \">\r\n\t\t\t\t\t\t\tTechnical review\t\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<div class=\"icon-text\">\r\n\t\t\t\t\t\t<div class=\"content\">Reviewing the current architecture, dependencies and the parts of the system that create the most friction, before any change is made.<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\r\n\t\t\t\t\t<\/div>\r\n\t\t<div class=\"clearfix\"><\/div>\r\n\t<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e59e3a3 elementor-widget__width-initial elementor-widget elementor-widget-tm-ele-iconbox\" data-id=\"5e59e3a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-iconbox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-sc-icon-box icon-box icon-left icon-left-style2 icon-text responsive-mobile icon-left-style2 animate-hover icon-rotate-y\">\r\n\t\r\n  \t<div class=\"icon-box-wrapper\">\r\n\t\t<div class=\"icon-left-block\">\r\n\t\t\t<div class=\"icon-box-icon\">\r\n\t\t\t\t\r\n\t\t<div class=\"icon-wrapper\">\r\n\t\t<div class=\"icon icon-default icon-type-icon-text icon-size-default\">\r\n\t\t\t\r\n\t\t\t\t<span class=\"icon-text\">\r\n\t\t\t\t02\t\t<\/span>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t<h5 class=\"icon-box-title \">\r\n\t\t\t\t\t\t\tMigration plan\t\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<div class=\"icon-text\">\r\n\t\t\t\t\t\t<div class=\"content\">Defining the migration path and the order of the work, so the application can be modernized in stages instead of in one step.<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\r\n\t\t\t\t\t<\/div>\r\n\t\t<div class=\"clearfix\"><\/div>\r\n\t<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-14cd3a65 e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"14cd3a65\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1887c9ac elementor-widget__width-initial elementor-widget elementor-widget-tm-ele-iconbox\" data-id=\"1887c9ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-iconbox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-sc-icon-box icon-box icon-left icon-left-style2 icon-text responsive-mobile icon-left-style2 animate-hover icon-rotate-y\">\r\n\t\r\n  \t<div class=\"icon-box-wrapper\">\r\n\t\t<div class=\"icon-left-block\">\r\n\t\t\t<div class=\"icon-box-icon\">\r\n\t\t\t\t\r\n\t\t<div class=\"icon-wrapper\">\r\n\t\t<div class=\"icon icon-round icon-type-icon-text icon-size-default\">\r\n\t\t\t\r\n\t\t\t\t<span class=\"icon-text\">\r\n\t\t\t\t03\t\t<\/span>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t<h5 class=\"icon-box-title \">\r\n\t\t\t\t\t\t\tGradual implementation\t\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<div class=\"icon-text\">\r\n\t\t\t\t\t\t<div class=\"content\">Moving the application forward in stages, so normal development continues and existing workflows keep working throughout.<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\r\n\t\t\t\t\t<\/div>\r\n\t\t<div class=\"clearfix\"><\/div>\r\n\t<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d0e8691 elementor-widget__width-initial elementor-widget elementor-widget-tm-ele-iconbox\" data-id=\"4d0e8691\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-iconbox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-sc-icon-box icon-box icon-left icon-left-style2 icon-text responsive-mobile icon-left-style2 animate-hover icon-rotate-y\">\r\n\t\r\n  \t<div class=\"icon-box-wrapper\">\r\n\t\t<div class=\"icon-left-block\">\r\n\t\t\t<div class=\"icon-box-icon\">\r\n\t\t\t\t\r\n\t\t<div class=\"icon-wrapper\">\r\n\t\t<div class=\"icon icon-round icon-type-icon-text icon-size-default\">\r\n\t\t\t\r\n\t\t\t\t<span class=\"icon-text\">\r\n\t\t\t\t04\t\t<\/span>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t<h5 class=\"icon-box-title \">\r\n\t\t\t\t\t\t\tVerification and delivery\t\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<div class=\"icon-text\">\r\n\t\t\t\t\t\t<div class=\"content\">Final verification, documentation and delivery, followed by support for issues and stable operation after the migration.<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\r\n\t\t\t\t\t<\/div>\r\n\t\t<div class=\"clearfix\"><\/div>\r\n\t<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-203048ca elementor-widget elementor-widget-tm-ele-text-editor\" data-id=\"203048ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor\" >\r\n\t\t<p>What can be modernized: frontend structure; backend and APIs; dependencies and tooling; user interface and experience.<\/p>\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25734f74 elementor-widget elementor-widget-tm-ele-list\" data-id=\"25734f74\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<ul class=\"tm-sc-list \">\r\n\t<li class=\"\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\" flaticon-common-confirmation\"><\/i>\t\t\t\t<span>\r\n\tCurrent build tooling that removes legacy build constraints from feature delivery and day-to-day maintenance (Vite)<\/span><\/li>\t<li class=\"\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\" flaticon-common-confirmation\"><\/i>\t\t\t\t<span>\r\n\tA documented TypeScript codebase aligned with current tooling for onboarding and maintenance<\/span><\/li>\t<li class=\"\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\" flaticon-common-confirmation\"><\/i>\t\t\t\t<span>\r\n\tA staged plan designed to let normal product delivery continue where dependencies allow<\/span><\/li>\t<li class=\"\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\" flaticon-common-confirmation\"><\/i>\t\t\t\t<span>\r\n\tDocumentation, tests and a 30-day warranty after go-live<\/span><\/li><\/ul>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-55ed9aa7 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"55ed9aa7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-d12fdde e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"d12fdde\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-55b846b6 elementor-widget elementor-widget-image\" data-id=\"55b846b6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/vue-migration-inner-1-1024x576.png\" class=\"attachment-large size-large wp-image-20640\" alt=\"Vue 2 to Vue 3 migration: Options API rewritten as script setup with TypeScript\" srcset=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/vue-migration-inner-1-1024x576.png 1024w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/vue-migration-inner-1-300x169.png 300w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/vue-migration-inner-1-768x432.png 768w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/vue-migration-inner-1.png 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-569a857e e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"569a857e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c617780 elementor-widget elementor-widget-image\" data-id=\"c617780\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/vue-migration-inner-2-1024x576.png\" class=\"attachment-large size-large wp-image-20652\" alt=\"Vue 2 to Vue 3 migration board: 128 of 164 components migrated, zero rollbacks\" srcset=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/vue-migration-inner-2-1024x576.png 1024w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/vue-migration-inner-2-300x169.png 300w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/vue-migration-inner-2-768x432.png 768w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/vue-migration-inner-2.png 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c998b88 ha-has-bg-overlay elementor-widget elementor-widget-tm-ele-accordion\" data-id=\"6c998b88\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-accordion.skin-classic\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div id=\"accordion-holder-509101\" class=\"tm-accordion skin-classic\">\r\n\t\r\n  <div class=\"card active\">\r\n    <div class=\"card-header p-0\" id=\"heading541\">\r\n      <h5 class=\"title \" data-bs-toggle=\"collapse\" data-bs-target=\"#collapse541\" aria-expanded=\"true\" aria-controls=\"collapse541\">\r\n        <span class=\"text\">How long does a modernization take?<\/span>\r\n        <span class=\"accordion-controls-icon\"><svg class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\r\n      <\/h5>\r\n    <\/div>\r\n    <div id=\"collapse541\" class=\"collapse show\" aria-labelledby=\"heading541\" data-bs-parent=\"#accordion-holder-509101\">\r\n      <div class=\"card-body\">\r\n        <p>That depends on the size of the application, the state of the dependencies and how much of the system needs to change. The initial estimate includes a realistic first timeline based on the information you provide.<\/p>      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"card \">\r\n    <div class=\"card-header p-0\" id=\"heading542\">\r\n      <h5 class=\"title collapsed\" data-bs-toggle=\"collapse\" data-bs-target=\"#collapse542\" aria-expanded=\"false\" aria-controls=\"collapse542\">\r\n        <span class=\"text\">Can my team keep shipping features during the work?<\/span>\r\n        <span class=\"accordion-controls-icon\"><svg class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\r\n      <\/h5>\r\n    <\/div>\r\n    <div id=\"collapse542\" class=\"collapse \" aria-labelledby=\"heading542\" data-bs-parent=\"#accordion-holder-509101\">\r\n      <div class=\"card-body\">\r\n        <p>Often, yes. The work moves in stages, so existing functionality stays live while the modernization progresses part by part.<\/p>      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"card \">\r\n    <div class=\"card-header p-0\" id=\"heading543\">\r\n      <h5 class=\"title collapsed\" data-bs-toggle=\"collapse\" data-bs-target=\"#collapse543\" aria-expanded=\"false\" aria-controls=\"collapse543\">\r\n        <span class=\"text\">What happens with incompatible libraries?<\/span>\r\n        <span class=\"accordion-controls-icon\"><svg class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\r\n      <\/h5>\r\n    <\/div>\r\n    <div id=\"collapse543\" class=\"collapse \" aria-labelledby=\"heading543\" data-bs-parent=\"#accordion-holder-509101\">\r\n      <div class=\"card-body\">\r\n        <p>The technical review includes a full dependency map. Every incompatible library is either replaced, upgraded or isolated, and that decision is part of the migration plan.<\/p>      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"card \">\r\n    <div class=\"card-header p-0\" id=\"heading544\">\r\n      <h5 class=\"title collapsed\" data-bs-toggle=\"collapse\" data-bs-target=\"#collapse544\" aria-expanded=\"false\" aria-controls=\"collapse544\">\r\n        <span class=\"text\">Do you also modernize AngularJS or jQuery applications?<\/span>\r\n        <span class=\"accordion-controls-icon\"><svg class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\r\n      <\/h5>\r\n    <\/div>\r\n    <div id=\"collapse544\" class=\"collapse \" aria-labelledby=\"heading544\" data-bs-parent=\"#accordion-holder-509101\">\r\n      <div class=\"card-body\">\r\n        <p>Yes. The process is the same: technical review, migration plan, gradual implementation, verification and delivery.<\/p>      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"card active\">\r\n    <div class=\"card-header p-0\" id=\"heading545\">\r\n      <h5 class=\"title \" data-bs-toggle=\"collapse\" data-bs-target=\"#collapse545\" aria-expanded=\"true\" aria-controls=\"collapse545\">\r\n        <span class=\"text\">Does the application have to be rebuilt from scratch?<\/span>\r\n        <span class=\"accordion-controls-icon\"><svg class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\r\n      <\/h5>\r\n    <\/div>\r\n    <div id=\"collapse545\" class=\"collapse show\" aria-labelledby=\"heading545\" data-bs-parent=\"#accordion-holder-509101\">\r\n      <div class=\"card-body\">\r\n        <p>No. Frontend, backend, dependencies and UI can often be improved in stages. A full rewrite is only proposed when it genuinely costs less than modernizing.<\/p>      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-72cc0840 e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"72cc0840\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-63038be5 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"63038be5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9f2b3c7 elementor-widget elementor-widget-tm-ele-text-editor\" data-id=\"9f2b3c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor\" >\r\n\t\t<h4>More Services<\/h4><p><\/p>\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3391ae5f elementor-widget__width-initial elementor-absolute elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3391ae5f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;}\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-247ec524 elementor-widget elementor-widget-tm-ele-navigation-menu\" data-id=\"247ec524\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-navigation-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-sc-simple-nav-menu\"><ul id=\"menu-services-links\" class=\"\"><li id=\"menu-item-20082\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-20082\"><a href=\"https:\/\/offline-web.com\/en\/vue-migration\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>Application modernization<\/a><\/li>\n<li id=\"menu-item-20083\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-20083\"><a href=\"https:\/\/offline-web.com\/en\/web-app-development\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>Custom web application development<\/a><\/li>\n<li id=\"menu-item-20084\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-20084\"><a href=\"https:\/\/offline-web.com\/en\/excel-to-dashboard\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>Excel to Web App<\/a><\/li>\n<li id=\"menu-item-20085\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-20085\"><a href=\"https:\/\/offline-web.com\/en\/jquery-to-vue-migration\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>jQuery application modernization<\/a><\/li>\n<li id=\"menu-item-22467\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-22467\"><a href=\"https:\/\/offline-web.com\/en\/nuxt-migration\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>Nuxt 4 migration<\/a><\/li>\n<li id=\"menu-item-20897\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-20897\"><a href=\"https:\/\/offline-web.com\/en\/ai-integration\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>AI Features for Vue &#038; Nuxt<\/a><\/li>\n<li id=\"menu-item-20199\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-20199\"><a href=\"https:\/\/offline-web.com\/en\/vanilla-js-to-vue-migration\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>Vanilla JavaScript application modernization<\/a><\/li>\n<\/ul><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6e8f8363 e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"6e8f8363\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6e9a9ded elementor-widget elementor-widget-tm-ele-text-editor\" data-id=\"6e9a9ded\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor\" >\r\n\t\t<h4>Get in touch<\/h4>\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c30e07a elementor-widget elementor-widget-tm-ele-text-editor-advanced\" data-id=\"6c30e07a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor-advanced.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor-advanced\">\r\n\t\t\t\t\t<div class=\"each-item elementor-repeater-item-f5252c0\" >\r\n\t\t\t\t<p>Athens, Greece, working remotely with EU &amp; US teams<\/p>\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<div class=\"each-item elementor-repeater-item-7af36a6\" >\r\n\t\t\t\t<p>info@offline-web.com<\/p>\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40a30e43 elementor-widget elementor-widget-tm-ele-iconbox\" data-id=\"40a30e43\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-iconbox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-sc-icon-box icon-box icon-left font-icon icon-left animate-hover icon-rotate-y\">\r\n\t\r\n  \t<div class=\"icon-box-wrapper\">\r\n\t\t\r\n\t\t<div class=\"icon-wrapper\">\r\n\t\t<div class=\"icon icon-default icon-type-font-icon icon-size-default\">\r\n\t\t\t<i aria-hidden=\"true\" class=\" flaticon-common-technology\"><\/i>\t\t<\/div>\r\n\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"icon-text\">\r\n\t\t\t\t\t\t<div class=\"content\"><h6>I reply by email<\/h6><\/div>\r\n\t\t\t\r\n\t\t\t\t<h5 class=\"icon-box-title \">\r\n\t\t\t\t\t\t\tGet a first estimate\t\t\t\t\t<\/h5>\r\n\t\t\t\t\t\r\n\t\t\t\r\n\t\r\n\t\t\t\t\t<\/div>\r\n\t\t<div class=\"clearfix\"><\/div>\r\n\t<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4c131c9 tm-contact-form-7-button-full-width elementor-widget elementor-widget-tm-ele-contact-form-7\" data-id=\"4c131c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-contact-form-7.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-contact-form-7-wrapper\">\r\n\t\t\t\t<div class=\"tm-contact-form tm-contact-form-7 tm-contact-form-4c131c9 placeholder-show tm-contact-form-align-default\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f6-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"6\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/en\/wp-json\/wp\/v2\/pages\/19952#wpcf7-f6-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"6\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.6\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f6-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/><input type=\"hidden\" name=\"_wpcf7_recaptcha_response\" value=\"\" \/>\n<\/fieldset>\n<div class=\"contact\">\n  <div class=\"row g-3\">\n    <div class=\"col-sm-6\">\n       <label for=\"fname\">Name *<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required form-control\" autocomplete=\"name\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Jane Doe\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n    <\/div>\n    <div class=\"col-sm-6\">\n       <label for=\"femail\">Email *<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email form-control\" autocomplete=\"email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"you@example.com\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <label for=\"fcompany\">Company or website (optional)<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-company\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text form-control\" aria-invalid=\"false\" placeholder=\"Company name or website, if you have one\" value=\"\" type=\"text\" name=\"your-company\" \/><\/span>\n       <small class=\"form-hint\">A link helps me scope your project faster.<\/small>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <label for=\"fservice\">Which service? *<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-service\"><select class=\"wpcf7-form-control wpcf7-select wpcf7-validates-as-required form-control\" aria-required=\"true\" aria-invalid=\"false\" name=\"your-service\"><option value=\"\">&#8212;Please choose an option&#8212;<\/option><option value=\"Vue 2 to 3 migration\">Vue 2 to 3 migration<\/option><option value=\"jQuery to Vue migration\">jQuery to Vue migration<\/option><option value=\"Nuxt migration\">Nuxt migration<\/option><option value=\"Vanilla JS to Vue migration\">Vanilla JS to Vue migration<\/option><option value=\"Excel to web app \/ dashboard\">Excel to web app \/ dashboard<\/option><option value=\"Custom web app development\">Custom web app development<\/option><option value=\"AI features \/ LLM integration\">AI features \/ LLM integration<\/option><option value=\"Something else\">Something else<\/option><\/select><\/span>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <label for=\"fmessage\">What do you want to build or fix? *<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"4\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required form-control\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"e.g. Migrate a Vue 2 dashboard to Vue 3, or turn an Excel workflow into a web app. A sentence or two is enough.\" name=\"your-message\"><\/textarea><\/span>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <input class=\"wpcf7-form-control wpcf7-submit has-spinner btn btn-theme-colored2\" type=\"submit\" value=\"Get a first estimate\" \/>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <p class=\"form-sla\">Complete the short questionnaire and I'll prepare a first estimate of cost and timeline.<\/p>\n       <p class=\"offline-recaptcha-note\">This site is protected by reCAPTCHA and the Google <a href=\"https:\/\/policies.google.com\/privacy\" target=\"_blank\" rel=\"noopener\">Privacy Policy<\/a> and <a href=\"https:\/\/policies.google.com\/terms\" target=\"_blank\" rel=\"noopener\">Terms of Service<\/a> apply.<\/p>\n    <\/div>\n  <\/div>\n<\/div><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n<\/div>\r\n\t\t\t<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Improve or gradually modernize an existing application without assuming it needs to be rebuilt from scratch.<\/p>\n","protected":false},"author":1,"featured_media":20564,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-19952","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Application modernization &amp; Vue 2 to Vue 3 | OFFLINE<\/title>\n<meta name=\"description\" content=\"Modernize an existing application gradually across frontend, backend, dependencies and UI, without assuming a complete rewrite is required.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/offline-web.com\/en\/vue-migration\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Application modernization &amp; Vue 2 to Vue 3 | OFFLINE\" \/>\n<meta property=\"og:description\" content=\"Modernize an existing application gradually across frontend, backend, dependencies and UI, without assuming a complete rewrite is required.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/offline-web.com\/en\/vue-migration\/\" \/>\n<meta property=\"og:site_name\" content=\"offline-web.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61565994551139\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-21T11:38:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/2-vue-migration.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Application modernization\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/2-vue-migration.png\" \/>\n<meta name=\"twitter:site\" content=\"@offline_web\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading 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