⚡ Legacy Technologies in Ireland

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.

Ireland is a Western European country with a population of over 5.1 million people.

According to our data, legacy technologies are detected on 21.1% of websites from Ireland.

Statistics based on 13K+ analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is Magnific Popup with a share of 24.8%, followed by jQuery Mousewheel with 16.9% and jQuery Cookie with 12.7%.

Magnific Popup 24.8%
jQuery Mousewheel 16.9%
jQuery Cookie 12.7%
Google URL Shortener 12.3%
iLightBox 6%
Adobe Flash 5%
AddThis 4.8%
Polymer 4%
Picturefill 3.9%
AngularJS 2.7%
Skrollr 2.7%
ASP 2.5%
Google Optimize 1.9%
jQuery LazyLoad 1.8%
SWFObject 1.6%

🚀 Highlights

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

2. jQuery Mousewheel ^(-2)
5. iLightBox ^(-3)
8. Polymer ^(-1)
9. Picturefill ^(-3)
10. AngularJS ^(-7)
13. Google Optimize ^(-8)
15. SWFObject ^(-3)
17. Facebook Like Box ^(-3)
19. Google Sign-In ^(-17)
20. Oribi ^(-10)

✨ Best Legacy Technologies

Below is a more detailed list of the top 25 of the 74 legacy technologies used on sites from Ireland, ranked by their market share.

Rank	Name	Market share
1	Magnific Popup A responsive lightbox and dialog plugin for jQuery and Zepto. FreeOpen sourceLegacy	24.8%
2	jQuery Mousewheel A jQuery plugin that adds cross-browser mouse wheel support. FreeOpen sourceLegacy	16.9%
3	jQuery Cookie A deprecated jQuery plugin for reading, writing and deleting cookies. FreeOpen sourceLegacy	12.7%
4	Google URL Shortener Mountain View, California, United States A deprecated link service from Google. Legacy	12.3%
5	iLightBox A commercial jQuery lightbox plugin. $16+Legacy	6%
6	Adobe Flash San Jose, California, United States A discontinued multimedia software platform for creating animations and interactive apps. Legacy	5%
7	AddThis Austin, Texas, United States A social bookmarking service that discontinued its services on May 31, 2023. FreeLegacy	4.8%
8	Polymer A library for creating encapsulated, reusable web components. FreeOpen sourceLegacy	4%
9	Picturefill A responsive image polyfill for , srcset, sizes, and more. FreeOpen sourceLegacy	3.9%
10	AngularJS Mountain View, California, United States A discontinued open-source web framework from Google that has been superseded by Angular. FreeOpen sourceLegacy	2.7%
11	Skrollr Standalone parallax scrolling JavaScript library for mobile (Android, iOS) and desktop in about 12k minified. FreeOpen sourceLegacy	2.7%
12	ASP Redmond, Washington, United States A server-side scripting language and dynamic web page engine. FreeLegacy	2.5%
13	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	1.9%
14	jQuery LazyLoad A deprecated jQuery lazy loading plugin. FreeOpen sourceLegacy	1.8%
15	SWFObject A deprecated framework for detecting the Adobe Flash Player plugin and embedding Flash files. FreeOpen sourceLegacy	1.6%
16	Messenger Customer Chat Menlo Park, California, United States The website chat widget from Meta that was retired in May 2024. Legacy	1.3%
17	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	1.3%
18	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	1.3%
19	Google Sign-In Mountain View, California, United States A deprecated JavaScript library that has been superseded by Google Identity services for Web. FreeLegacy	1.2%
20	Oribi Mountain View, California, United States An all-in-one marketing analytics solution acquired by LinkedIn. Legacy	1.2%
21	Cufon A discontinued JavaScript library that performs text replacement on web pages, using the canvas element and VML to render fancy fonts. FreeOpen sourceLegacy	1%
22	CentOS Raleigh, North Carolina, United States A discontinued open-source Linux distribution compatible with RHEL. Legacy	1%
23	Closure Library Mountain View, California, United States A low-level JavaScript library designed for building complex and scalable web applications. FreeOpen sourceLegacy	0.9%
24	Lightbox for Bootstrap A lightbox module for Bootstrap that supports images, YouTube videos and galleries - built around Bootstrap's Modal plugin. FreeOpen sourceLegacy	0.9%
25	Turbolinks Chicago, Illinois, United States A JavaScript library that allows web apps to behave like a single page application. FreeOpen sourceLegacy	0.8%

👉 See Also

🌎 Legacy in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 13,844 websites from Ireland.
We currently track the presence of 117 legacy technologies across the web.
Of these, 74 were detected on websites from Ireland.
Statistics were last calculated on May 5, 2026.
For more details, see our methodology and disclaimer.