⚡ Legacy Technologies in Poland

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.

Poland is a Central European country with a population of around 38 million people.

According to our data, legacy technologies are detected on 19.8% of websites from Poland.

⭐ Most Popular in 2026

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

The most popular is Magnific Popup with a share of 26.6%, followed by jQuery Cookie with 18.9% and jQuery Mousewheel with 12.9%.

🚀 Highlights

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

✨ Best Legacy Technologies

Below is a more detailed list of the top 25 of the 77 legacy technologies used on sites from Poland, ranked by their market share.

RankNameMarket share
1
Magnific Popup

A responsive lightbox and dialog plugin for jQuery and Zepto.js.

FreeOpen sourceLegacy
2
jQuery Cookie

A deprecated jQuery plugin for reading, writing and deleting cookies.

FreeOpen sourceLegacy
3
jQuery Mousewheel

A jQuery plugin that adds cross-browser mouse wheel support.

FreeOpen sourceLegacy
4
Google URL Shortener
Mountain View, California, United States

A deprecated link service from Google.

Legacy
5
Adobe Flash
San Jose, California, United States

A discontinued multimedia software platform for creating animations and interactive apps.

Legacy
6
Messenger Customer Chat
Menlo Park, California, United States

The website chat widget from Meta that was retired in May 2024.

Legacy
7
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
8
SWFObject

A deprecated framework for detecting the Adobe Flash Player plugin and embedding Flash files.

FreeOpen sourceLegacy
9
AddThis
Austin, Texas, United States

A social bookmarking service that discontinued its services on May 31, 2023.

FreeLegacy
10
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
11
Picturefill

A responsive image polyfill for , srcset, sizes, and more.

FreeOpen sourceLegacy
12
AngularJS
Mountain View, California, United States

A discontinued open-source web framework from Google that has been superseded by Angular.

FreeOpen sourceLegacy
13
Skrollr

Standalone parallax scrolling JavaScript library for mobile (Android, iOS) and desktop in about 12k minified.

FreeOpen sourceLegacy
14
iLightBox

A commercial jQuery lightbox plugin.

$16+Legacy
15
jQuery LazyLoad

A deprecated jQuery lazy loading plugin.

FreeOpen sourceLegacy
16
Google Funding Choices
Mountain View, California, United States

A messaging tool for GDPR and CCPA compliance and ad blocking recovery.

Legacy
17
ASP
Redmond, Washington, United States

A server-side scripting language and dynamic web page engine.

FreeLegacy
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
19
Cufon

A discontinued JavaScript library that performs text replacement on web pages, using the canvas element and VML to render fancy fonts.

FreeOpen sourceLegacy
20
CentOS
Raleigh, North Carolina, United States

A discontinued open-source Linux distribution compatible with RHEL.

Legacy
21
Turbolinks
Chicago, Illinois, United States

A JavaScript library that allows web apps to behave like a single page application.

FreeOpen sourceLegacy
22
Hypernova
San Francisco, California, United States

A legacy open source service from Airbnb that renders JavaScript views on the server to deliver HTML for better page load and search engine indexing.

FreeOpen sourceLegacy
23
Polymer

A library for creating encapsulated, reusable web components.

FreeOpen sourceLegacy
24
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
25
Lightbox for Bootstrap

A lightbox module for Bootstrap that supports images, YouTube videos and galleries - built around Bootstrap's Modal plugin.

FreeOpen sourceLegacy

👉 See Also

Data is based on the analysis of 55,518 websites from Poland.
Statistics were last calculated on .
For details, see our methodology and disclaimer.