⚡ 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 23.5% of websites from Hong Kong.

Statistics based on 19K+ analyzed websites. About this data

⭐ 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 Owl Carousel with a share of 29%, followed by Magnific Popup with 12.9% and jQuery Cookie with 11.8%.

Owl Carousel 29%
Magnific Popup 12.9%
jQuery Cookie 11.8%
jQuery Mousewheel 9.9%
ASP 9.6%
Adobe Flash 9.4%
Google URL Shortener 5.8%
CentOS 5.3%
jQuery LazyLoad 5.2%
SWFObject 4.5%
Moment.js 4.5%
AddThis 3.1%
Polymer 2.8%
Facebook Like 2.6%
AngularJS 2.4%

🚀 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. jQuery Cookie ^(-1)
4. jQuery Mousewheel ^(-1)
5. ASP ^(-5)
6. Adobe Flash ^(-1)
8. CentOS ^(-5)
9. jQuery LazyLoad ^(-7)
10. SWFObject ^(-11)
15. AngularJS ^(-4)
16. Messenger Customer Chat ^(-1)
20. Facebook Like Box ^(-3)

✨ Best Legacy Technologies

Below is a more detailed list of the top 25 of the 70 legacy technologies used on sites from Hong Kong, 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	29%
2	Magnific Popup A responsive lightbox and dialog plugin for jQuery and Zepto.js. FreeOpen sourceLegacy	12.9%
3	jQuery Cookie A deprecated jQuery plugin for reading, writing and deleting cookies. FreeOpen sourceLegacy	11.8%
4	jQuery Mousewheel A jQuery plugin that adds cross-browser mouse wheel support. FreeOpen sourceLegacy	9.9%
5	ASP Redmond, Washington, United States A server-side scripting language and dynamic web page engine. FreeLegacy	9.6%
6	Adobe Flash San Jose, California, United States A discontinued multimedia software platform for creating animations and interactive apps. Legacy	9.4%
7	Google URL Shortener Mountain View, California, United States A deprecated link service from Google. Legacy	5.8%
8	CentOS Raleigh, North Carolina, United States A discontinued open-source Linux distribution compatible with RHEL. Legacy	5.3%
9	jQuery LazyLoad A deprecated jQuery lazy loading plugin. FreeOpen sourceLegacy	5.2%
10	SWFObject A deprecated framework for detecting the Adobe Flash Player plugin and embedding Flash files. FreeOpen sourceLegacy	4.5%
11	Moment.js San Francisco, California, United States An open-source JavaScript library for parsing, validating, manipulating, and formatting dates. FreeOpen sourceLegacy	4.5%
12	AddThis Austin, Texas, United States A social bookmarking service that discontinued its services on May 31, 2023. FreeLegacy	3.1%
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	2.8%
14	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	2.6%
15	AngularJS Mountain View, California, United States A discontinued open-source web framework from Google that has been superseded by Angular. FreeOpen sourceLegacy	2.4%
16	Messenger Customer Chat Menlo Park, California, United States The website chat widget from Meta that was retired in May 2024. Legacy	1.3%
17	iLightBox A commercial jQuery lightbox plugin. $16+Legacy	1.3%
18	Skrollr Standalone parallax scrolling JavaScript library for mobile (Android, iOS) and desktop in about 12k minified. FreeOpen sourceLegacy	1.2%
19	Picturefill A responsive image polyfill for <picture>, srcset, sizes, and more. FreeOpen sourceLegacy	0.9%
20	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%
21	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	0.9%
22	iScroll A high-performance JavaScript library for smooth scrolling. FreeOpen sourceLegacy	0.8%
23	MSHTML Redmond, Washington, United States An editor based on the MSHTML component of the discontinued Internet Explorer browser. Legacy	0.7%
24	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	0.6%
25	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	0.6%

👉 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 19,066 websites from Hong Kong.
We currently track the presence of 124 legacy technologies across the web.
Of these, 70 were detected on websites from Hong Kong.
Statistics were last calculated on August 4, 2026.
For more details, see our methodology and disclaimer.