| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 77.2M sites |
| WordPress Themes & Plugins | |
| Twenty Seventeen Default WordPress theme released with the 2017 version | 570.8K sites |
| Hosting & Cloud Providers | |
| Hetzner German provider of dedicated servers and cloud hosting | 7.5M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 159.7M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 117.2M sites |
| JavaScript Libraries & Widgets | |
| Highlight.js JavaScript library for syntax highlighting code blocks on pages. | 283.1K sites |
| Lightbox JavaScript script displaying images in an overlay popup | 7.7M sites |
| Swiper Modern touch slider and carousel library for web and mobile | 25.5M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 117.3M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 53.9M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 79.4M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 77.7M sites |
| Media, Maps & Social | |
| YouTube Video hosting platform whose players embed into web pages | 8.1M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 72.4M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 73M sites |
| Google Font API Google service delivering free web fonts to websites | 110M sites |
| Bsf Custom Fonts | 249.3K sites |
| Ngg | 210.2K sites |
| Custom Fonts – Host Your Fonts Locally Performance & Speed | 178.2K sites |
| Imagely | 160.3K sites |
| Editor Custom Color Palette Other | 131 sites |
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