| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Otter Blocks Gutenberg blocks and page building plugin for WordPress. | 159.6K sites |
| Twenty Twenty-Five Default WordPress block theme from 2025. | 517.1K sites |
| WordPress Block Editor Block-based content editor built into modern WordPress | 15.7M sites |
| Hosting & Cloud Providers | |
| Vultr Cloud hosting provider offering virtual servers worldwide | 808.5K sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 149.4M sites |
| LiteSpeed High-performance web server known for speed and caching | 39.6M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| FitVids.JS JavaScript utility making embedded videos responsive | 5M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 114.7M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Performance & Optimization | |
| LiteSpeed Cache WordPress caching and optimization plugin for LiteSpeed servers | 11.1M sites |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 151.8M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| other | |
| Litespeed Cache | |
| MailBaby SMTP relay and outbound email delivery service | 521K sites |
| Litespeed | 3.8M sites |
| Zipwp | 1.1M sites |
| Otter | 178.8K sites |
| Optml | 138K sites |
| SiteSEO – SEO Simplified SEO | 11.1K sites |
| Hyve | 3.4K sites |
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