| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 56.5M sites |
| Hosting & Cloud Providers | |
| Cyfronet-As2 Metropolitan Area Network Autonomous System | 188 sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 170.6M sites |
| cdnjs Free public CDN hosting popular open-source JavaScript libraries | 14.9M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 67.2M sites |
| OpenSSL Cryptography toolkit implementing TLS and SSL protocols | 1.8M sites |
| Red Hat Enterprise Linux distribution and open-source software vendor. | 88.5K sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 89.1M sites |
| Front-End Frameworks & UI Toolkits | |
| PWA Progressive web app technology enabling installable, offline-capable sites | 26.5M sites |
| JavaScript Libraries & Widgets | |
| Swiper Modern touch slider and carousel library for web and mobile | 19.4M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 90.4M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 58.4M sites |
| Performance & Optimization | |
| Autoptimize WordPress plugin minifying and optimizing scripts, styles, and HTML | 952.5K sites |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 59.8M sites |
| W3 Total Cache WordPress caching plugin improving site speed and performance | 1M sites |
| Media, Maps & Social | |
| YouTube Video hosting platform whose players embed into web pages | 6.4M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 122.9M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 16M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 56.1M sites |
| Yoast | 13.5M sites |
| Contact Form 7 Forms & Popups | 10.3M sites |
| Cptui | 661.4K sites |
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