⚡ Legacy Technologies in Portugal

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.

Portugal is a Southern European country with a population of around 10.3 million people.

According to our data, legacy technologies are detected on 31.3% of websites from Portugal.

Statistics based on 16K+ analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is Owl Carousel with an impressive share of 31.2%, followed by Magnific Popup with 24.1% and jQuery Cookie with 11.2%.

Owl Carousel 31.2%
Magnific Popup 24.1%
jQuery Cookie 11.2%
jQuery Mousewheel 10.9%
Google URL Shortener 10.7%
Moment.js 7.5%
AddThis 4.3%
Picturefill 3.5%
Skrollr 2.9%
Facebook Like 2.9%
Adobe Flash 2.8%
AngularJS 2.7%
ASP 2.7%
Messenger Customer Chat 2.4%
iLightBox 2.3%

🚀 Highlights

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

3. jQuery Cookie ^(-1)
4. jQuery Mousewheel ^(-1)
7. AddThis ^(-3)
8. Picturefill ^(-5)
9. Skrollr ^(-3)
12. AngularJS ^(-6)
14. Messenger Customer Chat ^(-1)
16. Google Funding Choices ^(-5)
18. SWFObject ^(-4)
19. Facebook Like Box ^(-6)

✨ Best Legacy Technologies

Below is a more detailed list of the top 25 of the 73 legacy technologies used on sites from Portugal, 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	31.2%
2	Magnific Popup Kyiv, Ukraine A responsive lightbox and dialog plugin for jQuery and Zepto.js. FreeOpen sourceLegacy	24.1%
3	jQuery Cookie Germany A deprecated jQuery plugin for reading, writing and deleting cookies. FreeOpen sourceLegacy	11.2%
4	jQuery Mousewheel San Francisco, California, United States A jQuery plugin that adds cross-browser mouse wheel support with delta normalization. FreeOpen sourceLegacy	10.9%
5	Google URL Shortener Mountain View, California, United States A deprecated link service from Google. Legacy	10.7%
6	Moment.js San Francisco, California, United States An open-source JavaScript library for parsing, validating, manipulating, and formatting dates. FreeOpen sourceLegacy	7.5%
7	AddThis Austin, Texas, United States A social bookmarking service that discontinued its services on May 31, 2023. FreeLegacy	4.3%
8	Picturefill Boston, Massachusetts, United States A responsive image polyfill for <picture>, srcset, sizes, and more. FreeOpen sourceLegacy	3.5%
9	Skrollr Standalone parallax scrolling JavaScript library for mobile (Android, iOS) and desktop in about 12k minified. FreeOpen sourceLegacy	2.9%
10	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	2.9%
11	Adobe Flash San Jose, California, United States A discontinued multimedia software platform for creating animations and interactive apps. Legacy	2.8%
12	AngularJS Mountain View, California, United States A discontinued open-source web framework from Google that has been superseded by Angular. FreeOpen sourceLegacy	2.7%
13	ASP Redmond, Washington, United States A server-side scripting language and dynamic web page engine. FreeLegacy	2.7%
14	Messenger Customer Chat Menlo Park, California, United States The website chat widget from Meta that was retired in May 2024. Legacy	2.4%
15	iLightBox A commercial jQuery lightbox plugin. $16+Legacy	2.3%
16	Google Funding Choices Mountain View, California, United States A messaging tool for GDPR and CCPA compliance and ad blocking recovery. Legacy	1.5%
17	jQuery LazyLoad Finland A deprecated jQuery lazy loading plugin. FreeOpen sourceLegacy	1.3%
18	SWFObject A deprecated framework for detecting the Adobe Flash Player plugin and embedding Flash files. FreeOpen sourceLegacy	1.2%
19	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%
20	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	0.8%
21	CentOS Raleigh, North Carolina, United States A discontinued open-source Linux distribution compatible with RHEL. Legacy	0.8%
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	0.8%
23	Google Sign-In Mountain View, California, United States A deprecated JavaScript library that has been superseded by Google Identity services for Web. FreeLegacy	0.8%
24	Lightbox for Bootstrap A lightbox module for Bootstrap that supports images, YouTube videos and galleries - built around Bootstrap's Modal plugin. FreeOpen sourceLegacy	0.7%
25	Closure Library Mountain View, California, United States A low-level JavaScript library designed for building complex and scalable web applications. FreeOpen sourceLegacy	0.7%

👉 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 16,440 websites from Portugal.
We currently track the presence of 130 legacy technologies across the web.
Of these, 73 were detected on websites from Portugal.
Statistics were last calculated on September 18, 2026.
For more details, see our methodology and disclaimer.