⚡ Legacy Technologies in Hong Kong

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.

Hong Kong is an East Asian special administrative region of China with a population of around 7.5 million people.

According to our data, legacy technologies are detected on 18.2% of websites from Hong Kong.

⭐ Most Popular in 2026

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

The most popular is Magnific Popup with a share of 15.7%, followed by jQuery Cookie with 14.6% and Adobe Flash with 13.3%.

Magnific Popup 15.7%
jQuery Cookie 14.6%
Adobe Flash 13.3%
ASP 13%
jQuery Mousewheel 12%
jQuery LazyLoad 6.8%
SWFObject 6.7%
CentOS 6.5%
Google URL Shortener 6.3%
Polymer 3.9%
AddThis 3.8%
AngularJS 3%
iLightBox 1.6%
Skrollr 1.6%
Messenger Customer Chat 1.6%

🚀 Highlights

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

3. Adobe Flash ^(-2)
4. ASP ^(-3)
6. jQuery LazyLoad ^(-7)
7. SWFObject ^(-11)
8. CentOS ^(-2)
12. AngularJS ^(-5)
16. Facebook Like Box ^(-4)
18. Google Optimize ^(-3)
19. MSHTML ^(-25)
21. iScroll ^(-5)

✨ Best Legacy Technologies

Below is a more detailed list of the top 25 of the 63 legacy technologies used on sites from Hong Kong, ranked by their market share.

Rank	Name	Market share
1	Magnific Popup A responsive lightbox and dialog plugin for jQuery and Zepto.js. FreeOpen sourceLegacy	15.7%
2	jQuery Cookie A deprecated jQuery plugin for reading, writing and deleting cookies. FreeOpen sourceLegacy	14.6%
3	Adobe Flash San Jose, California, United States A discontinued multimedia software platform for creating animations and interactive apps. Legacy	13.3%
4	ASP Redmond, Washington, United States A server-side scripting language and dynamic web page engine. FreeLegacy	13%
5	jQuery Mousewheel A jQuery plugin that adds cross-browser mouse wheel support. FreeOpen sourceLegacy	12%
6	jQuery LazyLoad A deprecated jQuery lazy loading plugin. FreeOpen sourceLegacy	6.8%
7	SWFObject A deprecated framework for detecting the Adobe Flash Player plugin and embedding Flash files. FreeOpen sourceLegacy	6.7%
8	CentOS Raleigh, North Carolina, United States A discontinued open-source Linux distribution compatible with RHEL. Legacy	6.5%
9	Google URL Shortener Mountain View, California, United States A deprecated link service from Google. Legacy	6.3%
10	Polymer A library for creating encapsulated, reusable web components. FreeOpen sourceLegacy	3.9%
11	AddThis Austin, Texas, United States A social bookmarking service that discontinued its services on May 31, 2023. FreeLegacy	3.8%
12	AngularJS Mountain View, California, United States A discontinued open-source web framework from Google that has been superseded by Angular. FreeOpen sourceLegacy	3%
13	iLightBox A commercial jQuery lightbox plugin. $16+Legacy	1.6%
14	Skrollr Standalone parallax scrolling JavaScript library for mobile (Android, iOS) and desktop in about 12k minified. FreeOpen sourceLegacy	1.6%
15	Messenger Customer Chat Menlo Park, California, United States The website chat widget from Meta that was retired in May 2024. Legacy	1.6%
16	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	1.2%
17	Picturefill A responsive image polyfill for , srcset, sizes, and more. FreeOpen sourceLegacy	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	1.1%
19	MSHTML Redmond, Washington, United States An editor based on the MSHTML component of the discontinued Internet Explorer browser. Legacy	1%
20	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	0.9%
21	iScroll A high-performance JavaScript library for smooth scrolling. FreeOpen sourceLegacy	0.9%
22	qTranslate-X A discontinued WordPress plugin used for managing dynamic multilingual content on websites. FreeOpen sourceLegacy	0.8%
23	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	0.8%
24	Prefix-free A legacy script that adds browser prefixes to CSS code when needed for old browsers. FreeOpen sourceLegacy	0.7%
25	Alexa Seattle, Washington, United States A web traffic analysis service from Amazon that was discontinued in 2022. Legacy	0.7%

👉 See Also

🌎 Legacy in other countries

Data is based on the analysis of 17,969 websites from Hong Kong.
Statistics were last calculated on March 20, 2026.
For details, see our methodology and disclaimer.