| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Blocksy Fast, customizable multipurpose WordPress theme | 797.5K sites |
| Gutenberg Block-based content editor project for WordPress | 2.4M sites |
| Stackable Gutenberg block library for WordPress page building. | 178.6K sites |
| WordPress Block Editor Block-based content editor built into modern WordPress | 15.7M sites |
| Hosting & Cloud Providers | |
| Manitu German web hosting provider. | 72.8K sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 79.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| SEO & Content Discovery | |
| All in One SEO WordPress plugin managing SEO settings, sitemaps, and metadata | 4.7M sites |
| All in One SEO Pack WordPress plugin managing SEO settings, sitemaps, and metadata | 4.2M sites |
| 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 |
| Mcp | 3.1M sites |
| Rankmath | 2.6M sites |
| Wpforms | 2.2M sites |
| Aioseo | 1.5M sites |
| Monsterinsights | 1.4M sites |
| Stackable | 100.4K sites |
| Intigra Disclosio – AI Image and Video Labels for the EU AI Act Productivity & Operations | 69 sites |
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