| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| WordPress Themes & Plugins | |
| Divi Popular WordPress theme and visual page builder | 2.9M sites |
| CDN & Edge Delivery | |
| Google Hosted Libraries Google CDN serving popular open-source JavaScript libraries | 8.2M sites |
| Security & Bot Defense | |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 13.2M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 72.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| JavaScript Libraries & Widgets | |
| FitVids.JS JavaScript utility making embedded videos responsive | 3.9M 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 |
| WP Fastest Cache WordPress caching plugin improving page load speed | 858K sites |
| Media, Maps & Social | |
| <model-viewer> Web component for embedding interactive 3D models and AR experiences. | 60.2K 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 | |
| Google Font API Google service delivering free web fonts to websites | 94.4M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 5.8M sites |
| Wordfence Login Security Security & Privacy | 4.1M sites |
| Redirection SEO | 3.6M sites |
| Divi | 2.7M sites |
| Complianz | 2M sites |
| Webp Converter Content & Media | 585.5K sites |
| Seopress | 397.1K sites |
| Complianz_tc | 330.4K sites |
| Burst | 274.4K sites |
| LoginPress | wp-login Custom Login Page Customizer Security & Privacy | 186.4K sites |
| Advanced Db Cleaner | 158.2K sites |
| Site Reviews Social & Community | 64.8K sites |
| VEFmusic Productivity & Operations | 11 sites |
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