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

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

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 States of America (USA) is a North American country with a population of over 341 million people.

Statistics based on 614K+ analyzed websites. About this data

The following list shows the legacy technologies ranked from 26th to 50th out of 113 used on websites in the United States.

Rank	Name	Market share
26	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	0.6%
27	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	0.5%
28	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%
29	Oribi Mountain View, California, United States An all-in-one marketing analytics solution acquired by LinkedIn. Legacy	0.5%
30	Audience Studio San Francisco, California, United States A data management platform that was retired in February 2024. Legacy	0.5%
31	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%
32	Closure Library Mountain View, California, United States A low-level JavaScript library designed for building complex and scalable web applications. FreeOpen sourceLegacy	0.5%
33	RawGit Portland, Oregon, United States A public CDN for serving files from raw.githubusercontent.com with the correct content types. FreeLegacy	0.5%
34	Google +1 Button Mountain View, California, United States The sharing button code for the discontinued Google +1 service. Legacy	0.4%
35	Turbolinks Chicago, Illinois, United States A JavaScript library that allows web apps to behave like a single page application. FreeOpen sourceLegacy	0.4%
36	Shadowbox A lightbox library for photos and videos, last released in 2014. FreeOpen sourceLegacy	0.4%
37	Oracle Moat Austin, Texas, United States A measurement and marketing analytics suite designed to measure media performance across digital and TV advertising campaigns. Legacy	0.4%
38	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%
39	Foursquare New York, United States A location-based social networking app that allowed users to discover and review local businesses and attractions. Free$$$Legacy	0.4%
40	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%
41	Google Podcasts Mountain View, California, United States A podcasting directory that was shut down in mid-2024 with the migration to YouTube Music. Legacy	0.3%
42	StackPath Dallas, Texas, United States A content delivery network that shut down in March 2024. Legacy	0.3%
43	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	0.3%
44	Adobe Muse San Jose, California, United States A discontinued desktop application for designing web pages with intuitive, visual tools. $24.99+/monthLegacy	0.3%
45	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%
46	Stitcher New York, United States A streaming platform that specialized in the creation, distribution, and monetization of podcasts. Legacy	0.2%
47	Signal Chicago, Illinois, United States A customer intelligence platform that leveraged tag management and real-time data collection. Legacy	0.2%
48	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%
49	HeadJS A JavaScript loader that loads scripts in parallel, but executes them in order. FreeOpen sourceLegacy	0.2%
50	Prefix-free A legacy script that adds browser prefixes to CSS code when needed for old browsers. 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 614,767 websites from the United States.
We currently track the presence of 124 legacy technologies across the web.
Of these, 113 were detected on websites from the United States.
Statistics were last calculated on August 4, 2026.
For more details, see our methodology and disclaimer.