| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| WordPress Themes & Plugins | |
| WordPress Block Editor Block-based content editor built into modern WordPress | 12.2M sites |
| wpBakery Drag-and-drop page builder plugin for WordPress | 3.3M sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 49.9M sites |
| Hosting & Cloud Providers | |
| Onecom European web hosting and domain provider | 2.6M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 129.2M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 72.1M sites |
| Varnish HTTP reverse proxy and caching accelerator for web content | 6.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| JavaScript Libraries & Widgets | |
| Animate.css CSS library providing ready-made animation effects | 6.1M sites |
| Magnific Popup Responsive lightbox and popup library for images and content | 6.4M sites |
| Slider Revolution Popular slider and visual content builder for WordPress sites | 5M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 93.8M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 40.4M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 60.6M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 65.2M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 133.1M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 55.3M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 58.5M sites |
| Google Font API Google service delivering free web fonts to websites | 94.4M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Vidjet | 887 sites |
| Nps Survey | 4.6M sites |
| Hub Connector | 1.8M sites |
| Code Snippets Design & Themes | 1.8M sites |
| Sliderrevolution | 1.6M sites |
| Mc4wp | 1.5M sites |
| Ithemes Security | 1.1M sites |
| Seopress | 397.1K sites |
| Wp Umbrella | 123.3K sites |
| Presto Player Content & Media | 103K sites |
| Siteligent | 7 sites |
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