⚡ Legacy Technologies in China

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.

China is an East Asian country with a population of around 1.4 billion people.

According to our data, legacy technologies are detected on 15.3% of websites from China.

⭐ Most Popular in 2026

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

The most popular is ASP with a share of 28.1%, followed by jQuery LazyLoad with 15.8% and jQuery Cookie with 13.5%.

ASP 28.1%
jQuery LazyLoad 15.8%
jQuery Cookie 13.5%
Skype 12.8%
Adobe Flash 11.2%
jQuery Mousewheel 8.3%
Magnific Popup 6.9%
CentOS 2.6%
SWFObject 2.1%
MSHTML 1.6%
AddThis 1.3%
iScroll 1.2%
Messenger Customer Chat 1%
MIP 0.9%
AngularJS 0.9%

🚀 Highlights

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

1. ASP ^(-6)
2. jQuery LazyLoad ^(-11)
4. Skype ^(-11)
8. CentOS ^(-2)
9. SWFObject ^(-9)
10. MSHTML ^(-34)
12. iScroll ^(-14)
13. Messenger Customer Chat ^(-1)
14. MIP ^(-61)
15. AngularJS ^(-2)

✨ Best Legacy Technologies

Below is a more detailed list of the top 25 of the 64 legacy technologies used on sites from China, ranked by their market share.

Rank	Name	Market share
1	ASP Redmond, Washington, United States A server-side scripting language and dynamic web page engine. FreeLegacy	28.1%
2	jQuery LazyLoad A deprecated jQuery lazy loading plugin. FreeOpen sourceLegacy	15.8%
3	jQuery Cookie A deprecated jQuery plugin for reading, writing and deleting cookies. FreeOpen sourceLegacy	13.5%
4	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	12.8%
5	Adobe Flash San Jose, California, United States A discontinued multimedia software platform for creating animations and interactive apps. Legacy	11.2%
6	jQuery Mousewheel A jQuery plugin that adds cross-browser mouse wheel support. FreeOpen sourceLegacy	8.3%
7	Magnific Popup A responsive lightbox and dialog plugin for jQuery and Zepto.js. FreeOpen sourceLegacy	6.9%
8	CentOS Raleigh, North Carolina, United States A discontinued open-source Linux distribution compatible with RHEL. Legacy	2.6%
9	SWFObject A deprecated framework for detecting the Adobe Flash Player plugin and embedding Flash files. FreeOpen sourceLegacy	2.1%
10	MSHTML Redmond, Washington, United States An editor based on the MSHTML component of the discontinued Internet Explorer browser. Legacy	1.6%
11	AddThis Austin, Texas, United States A social bookmarking service that discontinued its services on May 31, 2023. FreeLegacy	1.3%
12	iScroll A high-performance JavaScript library for smooth scrolling. FreeOpen sourceLegacy	1.2%
13	Messenger Customer Chat Menlo Park, California, United States The website chat widget from Meta that was retired in May 2024. Legacy	1%
14	MIP Beijing, China An open mobile-page framework created by Baidu as an alternative to Google's AMP for delivering fast-loading pages on mobile devices. Legacy	0.9%
15	AngularJS Mountain View, California, United States A discontinued open-source web framework from Google that has been superseded by Angular. FreeOpen sourceLegacy	0.9%
16	Prefix-free A legacy script that adds browser prefixes to CSS code when needed for old browsers. FreeOpen sourceLegacy	0.8%
17	Skrollr Standalone parallax scrolling JavaScript library for mobile (Android, iOS) and desktop in about 12k minified. FreeOpen sourceLegacy	0.8%
18	Picturefill A responsive image polyfill for , srcset, sizes, and more. FreeOpen sourceLegacy	0.6%
19	iLightBox A commercial jQuery lightbox plugin. $16+Legacy	0.5%
20	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	0.5%
21	Alexa Seattle, Washington, United States A web traffic analysis service from Amazon that was discontinued in 2022. Legacy	0.4%
22	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	0.3%
23	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	0.3%
24	Google URL Shortener Mountain View, California, United States A deprecated link service from Google. Legacy	0.3%
25	Shadowbox A lightbox library for photos and videos, last released in 2014. FreeOpen sourceLegacy	0.2%

👉 See Also

🌎 Legacy in other countries

Data is based on the analysis of 82,711 websites from China.
Statistics were last calculated on March 20, 2026.
For details, see our methodology and disclaimer.