| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 57.6M sites |
| WordPress Themes & Plugins | |
| Twenty Seventeen Default WordPress theme released with the 2017 version | 418K sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 191.7M sites |
| Google Hosted Libraries Google CDN serving popular open-source JavaScript libraries | 8.1M sites |
| cdnjs Free public CDN hosting popular open-source JavaScript libraries | 15.3M sites |
| jsDelivr Free open-source CDN for JavaScript, CSS, and assets | 17M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 147.9M sites |
| LiteSpeed High-performance web server known for speed and caching | 34.3M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 91.4M sites |
| JavaScript Libraries & Widgets | |
| Slick Responsive carousel and slider library for web pages | 7.5M sites |
| WOW JavaScript library revealing CSS animations on scroll | 4.1M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 92.3M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 39.8M sites |
| particles.js JavaScript library rendering animated particle background effects | 1.2M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 59.5M sites |
| Media, Maps & Social | |
| Google Maps Embeddable interactive maps and location services from Google | 9.4M sites |
| Twitter Social platform whose embeds and share buttons appear on sites | 559.7K sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 127.7M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 54.2M sites |
| Site Kit Official WordPress plugin connecting Google search and analytics tools | 7.6M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 90.8M sites |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed Analytics | 5.6M sites |
| Myapi | 2.2K sites |
| Shinobi Reviews Translation & Localization | 204 sites |
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