| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 77.2M sites |
| Customer Chat & Support | |
| Premio Chaty WordPress plugin adding a multi-channel chat widget | 446.6K sites |
| Hosting & Cloud Providers | |
| Blicnet-As # Blic.Net As Peering Info | 220 sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 82.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 117.2M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 45.1M sites |
| JavaScript Libraries & Widgets | |
| 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 |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 72.4M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 110M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 4M sites |
| Chatway | 15.5K sites |
| Swift Switcher — Bulk & Custom Post Type Converter Content & Media | 594 sites |
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