⚡ 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 25.5% of websites from Ireland.

Statistics based on 16K+ 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 Owl Carousel with a share of 25.8%, followed by Magnific Popup with 20.9% and jQuery Mousewheel with 13.1%.

Owl Carousel 25.8%
Magnific Popup 20.9%
jQuery Mousewheel 13.1%
Google URL Shortener 11.9%
Moment.js 9.9%
jQuery Cookie 9.7%
iLightBox 4.6%
AddThis 3.2%
Picturefill 3.2%
Adobe Flash 3.1%
Facebook Like 2.4%
AngularJS 2.3%
Polymer 2.1%
Skrollr 2.1%
ASP 2%

🚀 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.

3. jQuery Mousewheel ^(-2)
5. Moment.js ^(-1)
7. iLightBox ^(-4)
8. AddThis ^(-2)
9. Picturefill ^(-4)
12. AngularJS ^(-6)
13. Polymer ^(-4)
17. Microsoft Invest ^(-6)
18. Google Optimize ^(-6)
20. SWFObject ^(-2)

✨ Best Legacy Technologies

Below is a more detailed list of the top 25 of the 84 legacy technologies used on sites from Ireland, ranked by their market share.

Rank	Name	Market share
1	Owl Carousel Germany A deprecated open-source jQuery plugin for creating responsive, touch-enabled, and accessible carousel sliders. FreeOpen sourceLegacy	25.8%
2	Magnific Popup Kyiv, Ukraine A responsive lightbox and dialog plugin for jQuery and Zepto.js. FreeOpen sourceLegacy	20.9%
3	jQuery Mousewheel San Francisco, California, United States A jQuery plugin that adds cross-browser mouse wheel support with delta normalization. FreeOpen sourceLegacy	13.1%
4	Google URL Shortener Mountain View, California, United States A deprecated link service from Google. Legacy	11.9%
5	Moment.js San Francisco, California, United States An open-source JavaScript library for parsing, validating, manipulating, and formatting dates. FreeOpen sourceLegacy	9.9%
6	jQuery Cookie Germany A deprecated jQuery plugin for reading, writing and deleting cookies. FreeOpen sourceLegacy	9.7%
7	iLightBox A commercial jQuery lightbox plugin. $16+Legacy	4.6%
8	AddThis Austin, Texas, United States A social bookmarking service that discontinued its services on May 31, 2023. FreeLegacy	3.2%
9	Picturefill Boston, Massachusetts, United States A responsive image polyfill for <picture>, srcset, sizes, and more. FreeOpen sourceLegacy	3.2%
10	Adobe Flash San Jose, California, United States A discontinued multimedia software platform for creating animations and interactive apps. Legacy	3.1%
11	Facebook Like Menlo Park, California, United States A social plugin that allowed websites to embed a button for visitors to like and share web pages on Facebook. Legacy	2.4%
12	AngularJS Mountain View, California, United States A discontinued open-source web framework from Google that has been superseded by Angular. FreeOpen sourceLegacy	2.3%
13	Polymer Mountain View, California, United States A legacy open-source JavaScript library created by Google for building components based on Web Components standards. FreeOpen sourceLegacy	2.1%
14	Skrollr Standalone parallax scrolling JavaScript library for mobile (Android, iOS) and desktop in about 12k minified. FreeOpen sourceLegacy	2.1%
15	ASP Redmond, Washington, United States A server-side scripting language and dynamic web page engine. FreeLegacy	2%
16	jQuery LazyLoad Finland A deprecated jQuery lazy loading plugin. FreeOpen sourceLegacy	1.4%
17	Microsoft Invest Redmond, Washington, United States A demand-side ad management platform created after Microsoft's acquisition of Xandr to facilitate programmatic media buying. Legacy	1.2%
18	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	1.2%
19	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	1.2%
20	SWFObject A deprecated framework for detecting the Adobe Flash Player plugin and embedding Flash files. FreeOpen sourceLegacy	1%
21	Oribi Mountain View, California, United States An all-in-one marketing analytics solution acquired by LinkedIn. Legacy	1%
22	Wirecard Aschheim, Bavaria, Germany An insolvent German payment processor and financial services provider whose executives have been arrested. Legacy	0.9%
23	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	0.9%
24	Google Sign-In Mountain View, California, United States A deprecated JavaScript library that has been superseded by Google Identity services for Web. FreeLegacy	0.8%
25	Messenger Customer Chat Menlo Park, California, United States The website chat widget from Meta that was retired in May 2024. Legacy	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 16,397 websites from Ireland.
We currently track the presence of 130 legacy technologies across the web.
Of these, 84 were detected on websites from Ireland.
Statistics were last calculated on September 19, 2026.
For more details, see our methodology and disclaimer.