| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 77.2M sites |
| WordPress Themes & Plugins | |
| WordPress Block Editor Block-based content editor built into modern WordPress | 16M sites |
| Business Email & Productivity | |
| Microsoft 365 Microsoft suite for business email, office apps, and collaboration | 18.7M sites |
| Hosting & Cloud Providers | |
| netcup German provider of servers and web hosting | 852.6K sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 82.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 117.2M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 45.1M sites |
| PWA Progressive web app technology enabling installable, offline-capable sites | 31.5M sites |
| JavaScript Libraries & Widgets | |
| Lightbox JavaScript script displaying images in an overlay popup | 7.7M sites |
| Slick Responsive carousel and slider library for web pages | 10M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 11.2M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 117.3M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 53.9M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 79.4M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 77.7M sites |
| a3 Lazy Load WordPress plugin that lazy loads images and videos for speed. | 115.3K sites |
| SEO & Content Discovery | |
| All in One SEO WordPress plugin managing SEO settings, sitemaps, and metadata | 4.8M sites |
| All in One SEO Pack WordPress plugin managing SEO settings, sitemaps, and metadata | 4.2M sites |
| Google Generic Google service or script detected on the site | 33.8M sites |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 158.1M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 72.4M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 73M sites |
| Aioseo | 1.5M sites |
| Complianz | 1.4M sites |
| Hub Connector | 1.2M sites |
| Burst | 187.5K sites |
| Wprps Post Slider | 9.2K sites |
| Form_maker | 3.3K sites |
| immonex Kickstart Productivity & Operations | 646 sites |
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