Legacy Technologies Ranked #26–#50 in the United Kingdom by Market Share (2026)

📈 Legacy Technologies Ranked #26–#50 in the United Kingdom

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.

The United Kingdom of Great Britain and Northern Ireland (UK) is a Western European country with a population of over 67 million people.

Statistics based on 170K+ analyzed websites. About this data

The following list shows the legacy technologies ranked from 26th to 50th out of 102 used on websites in the United Kingdom.

Rank	Name	Market share
26	Turbolinks Chicago, Illinois, United States A JavaScript library that allows web apps to behave like a single page application. FreeOpen sourceLegacy	0.6%
27	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	0.6%
28	RawGit Portland, Oregon, United States A public CDN for serving files from raw.githubusercontent.com with the correct content types. FreeLegacy	0.6%
29	Alexa Seattle, Washington, United States A web traffic analysis service from Amazon that was discontinued in 2022. Legacy	0.5%
30	Salesforce Chat San Francisco, California, United States A live chat solution from Salesforce that is currently in maintenance-only mode and is scheduled to be retired in February 2026. Legacy	0.5%
31	PayPal Marketing Solutions San Jose, California, United States A suite of marketing and analytics tools from PayPal that helps merchants analyze shopper behavior and increase conversion through targeted on-site messaging. Legacy	0.5%
32	Cufon A discontinued JavaScript library that performs text replacement on web pages, using the canvas element and VML to render fancy fonts. FreeOpen sourceLegacy	0.5%
33	Closure Library Mountain View, California, United States A low-level JavaScript library designed for building complex and scalable web applications. FreeOpen sourceLegacy	0.5%
34	Lightbox for Bootstrap A lightbox module for Bootstrap that supports images, YouTube videos and galleries - built around Bootstrap's Modal plugin. FreeOpen sourceLegacy	0.4%
35	Google +1 Button Mountain View, California, United States The sharing button code for the discontinued Google +1 service. Legacy	0.4%
36	Skype Redmond, Washington, United States A communications platform for voice and video calls and sending instant messages that was retired on May 5, 2025 in favor of Microsoft Teams. FreeLegacy	0.4%
37	Shadowbox A lightbox library for photos and videos, last released in 2014. FreeOpen sourceLegacy	0.4%
38	YUI New York, United States A legacy, open-source JavaScript and CSS library for building interactive web applications with a focus on modular architecture and cross-browser consistency. FreeOpen sourceLegacy	0.4%
39	Serif WebPlus Sydney, Australia A legacy WYSIWYG website builder for Microsoft Windows that was discontinued in 2016. Legacy	0.4%
40	Prerender Cambridge, Massachusetts, United States A deprecated browser hint that instructed web browsers to preload and render a web page in the background before navigation occurred. Legacy	0.4%
41	Cloudflare Apps San Francisco, California, United States A deprecated service that allowed the installation of third-party scripts/plugins on a website with a single click. Legacy	0.3%
42	Prefix-free A legacy script that adds browser prefixes to CSS code when needed for old browsers. FreeOpen sourceLegacy	0.3%
43	Critters San Francisco, California, United States A deprecated Webpack plugin that inlines your app's critical CSS and lazily loads the rest. FreeOpen sourceLegacy	0.3%
44	Stacktable.js jQuery plugin for stacking tables on small screens. FreeOpen sourceLegacy	0.2%
45	Google Podcasts Mountain View, California, United States A podcasting directory that was shut down in mid-2024 with the migration to YouTube Music. Legacy	0.2%
46	Google Sign-In Mountain View, California, United States A deprecated JavaScript library that has been superseded by Google Identity services for Web. FreeLegacy	0.2%
47	StackPath Dallas, Texas, United States A content delivery network that shut down in March 2024. Legacy	0.2%
48	Adobe Muse San Jose, California, United States A discontinued desktop application for designing web pages with intuitive, visual tools. $24.99+/monthLegacy	0.2%
49	Spry San Jose, California, United States A deprecated JavaScript framework by Adobe that enables the rapid development of Ajax-powered web pages. FreeOpen sourceLegacy	0.2%
50	iScroll A high-performance JavaScript library for smooth scrolling. FreeOpen sourceLegacy	0.2%

👉 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 170,175 websites from the United Kingdom.
We currently track the presence of 124 legacy technologies across the web.
Of these, 102 were detected on websites from the United Kingdom.
Statistics were last calculated on August 4, 2026.
For more details, see our methodology and disclaimer.