| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 11.8M sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 208.7M sites |
| Security & Bot Defense | |
| Cloudflare Bot Management Cloudflare service detecting and mitigating malicious bot traffic | 7.3M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 157.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| JavaScript Libraries & Widgets | |
| MetaSlider WordPress plugin creating responsive image sliders | 492.1K sites |
| Modernizr JavaScript library detecting browser feature support | 5.9M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 8.4M 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 |
| Media, Maps & Social | |
| UltimatelySocial WordPress plugin adding social sharing and follow buttons | 135.7K sites |
| SEO & Content Discovery | |
| Google Generic Google service or script detected on the site | 37M sites |
| 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 |
| Site Kit Official WordPress plugin connecting Google search and analytics tools | 7.7M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 16.4M sites |
| Fonts & Icons | |
| 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 |
| Auberge | 2K sites |
| MailChimp | 42.5K sites |
| Yoast | 13.7M sites |
| Contact Form 7 Forms & Popups | 10.4M sites |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed Analytics | 5.6M sites |
| Objectcache | 1.5M sites |
| Two Factor Security & Privacy | 1.3M sites |
| Wpaas | 1.1M sites |
| Wp Site Designer | 1.1M sites |
| Gdl | 695.5K sites |
| Metaslider | 511.6K sites |
| Fl Controls | 352.6K sites |
| Kirki – Freeform Page Builder, Website Builder & Customizer Design & Themes | 222.8K sites |
| KirkiComponentLibrary | 222.8K sites |
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