⚡ Legacy Technologies in Belgium

Legacy technologies are platforms and tools that have been discontinued or shut down and no longer operate. Some are completely defunct, while others remain functional but unsupported.

Belgium is a Western European country with a population of over 12 million people.

According to our data, legacy technologies are detected on 18.4% of websites from Belgium.

⭐ Most Popular in 2026

The following chart shows the top legacy technologies in Belgium in 2026, based on market share.

The most popular is Magnific Popup with a share of 22.2%, followed by jQuery Mousewheel with 14% and Google URL Shortener with 13%.

Magnific Popup 22.2%
jQuery Mousewheel 14%
Google URL Shortener 13%
jQuery Cookie 13%
AddThis 5.8%
Polymer 4.7%
iLightBox 3.9%
Skrollr 3.7%
Adobe Flash 3.2%
Picturefill 3.2%
ASP 2.9%
Google Webmaster Tools 2.6%
AngularJS 2.4%
Google Optimize 2.1%
Other 3.3%

🚀 Highlights

Here is a list of the top technologies that are more popular in Belgium than worldwide.
Differences between global and country rankings are shown in parentheses.

2. jQuery Mousewheel ^(-2)
5. AddThis ^(-1)
6. Polymer ^(-2)
7. iLightBox ^(-2)
8. Skrollr ^(-3)
10. Picturefill ^(-2)
12. Google Webmaster Tools ^(-4)
13. AngularJS ^(-4)
14. Google Optimize ^(-7)
15. Oribi ^(-15)

✨ Best Legacy Technologies

Below is a more detailed list of the top 25 of the 75 legacy technologies used on sites from Belgium, ranked by their market share.

Rank	Name	Market share
1	Magnific Popup A responsive lightbox and dialog plugin for jQuery and Zepto.js. FreeOpen sourceLegacy	22.2%
2	jQuery Mousewheel A jQuery plugin that adds cross-browser mouse wheel support. FreeOpen sourceLegacy	14%
3	Google URL Shortener Mountain View, California, United States A deprecated link service from Google. Legacy	13%
4	jQuery Cookie A deprecated jQuery plugin for reading, writing and deleting cookies. FreeOpen sourceLegacy	13%
5	AddThis Austin, Texas, United States A social bookmarking service that discontinued its services on May 31, 2023. FreeLegacy	5.8%
6	Polymer A library for creating encapsulated, reusable web components. FreeOpen sourceLegacy	4.7%
7	iLightBox A commercial jQuery lightbox plugin. $16+Legacy	3.9%
8	Skrollr Standalone parallax scrolling JavaScript library for mobile (Android, iOS) and desktop in about 12k minified. FreeOpen sourceLegacy	3.7%
9	Adobe Flash San Jose, California, United States A discontinued multimedia software platform for creating animations and interactive apps. Legacy	3.2%
10	Picturefill A responsive image polyfill for , srcset, sizes, and more. FreeOpen sourceLegacy	3.2%
11	ASP Redmond, Washington, United States A server-side scripting language and dynamic web page engine. FreeLegacy	2.9%
12	Google Webmaster Tools Mountain View, California, United States The old Google Webmaster Tools, detected by the meta name "verify-v1", which have been deprecated in favor of Google Search Console. FreeLegacy	2.6%
13	AngularJS Mountain View, California, United States A discontinued open-source web framework from Google that has been superseded by Angular. FreeOpen sourceLegacy	2.4%
14	Google Optimize Mountain View, California, United States A free website optimization tool integrated with Google Ads that enabled A/B, multivariate, and redirect landing page testing. Legacy	2.1%
15	Oribi Mountain View, California, United States An all-in-one marketing analytics solution acquired by LinkedIn. Legacy	2%
16	CentOS Raleigh, North Carolina, United States A discontinued open-source Linux distribution compatible with RHEL. Legacy	1.9%
17	Messenger Customer Chat Menlo Park, California, United States The website chat widget from Meta that was retired in May 2024. Legacy	1.8%
18	jQuery LazyLoad A deprecated jQuery lazy loading plugin. FreeOpen sourceLegacy	1.5%
19	SWFObject A deprecated framework for detecting the Adobe Flash Player plugin and embedding Flash files. FreeOpen sourceLegacy	1.4%
20	Turbolinks Chicago, Illinois, United States A JavaScript library that allows web apps to behave like a single page application. FreeOpen sourceLegacy	1.4%
21	Oracle Moat Austin, Texas, United States A measurement and marketing analytics suite designed to measure media performance across digital and TV advertising campaigns. Legacy	1.1%
22	Microsoft FrontPage Redmond, Washington, United States A WYSIWYG HTML editor and website administration tool that was part of Microsoft Office until it was discontinued in 2003. $149Legacy	0.9%
23	Critters San Francisco, California, United States A deprecated Webpack plugin that inlines your app's critical CSS and lazily loads the rest. FreeOpen sourceLegacy	0.9%
24	Facebook Like Box Menlo Park, California, United States A plugin that allowed admins to promote their Facebook Pages and embed a simple feed of content from a Page into other sites. Legacy	0.8%
25	RawGit Portland, Oregon, United States A public CDN for serving files from raw.githubusercontent.com with the correct content types. FreeLegacy	0.7%

👉 See Also

🌎 Legacy in other countries

Data is based on the analysis of 26,849 websites from Belgium.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.