| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Contextual Related Posts WordPress plugin displaying related posts by content similarity. | 56K sites |
| WordPress Block Editor Block-based content editor built into modern WordPress | 15.7M sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 15.8M sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 161.4M sites |
| Security & Bot Defense | |
| Really Simple SSL & Security WordPress plugin enforcing HTTPS and hardening site security | 6.4M 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 | |
| Backbone.js JavaScript framework structuring apps with models and views | 742.2K sites |
| Clipboard.js Lightweight JavaScript library for copying text to clipboard | 1.2M sites |
| Magnific Popup Responsive lightbox and popup library for images and content | 8.2M sites |
| Moxie JavaScript runtime library powering cross-browser file uploads | 236.6K sites |
| Plupload JavaScript library handling multi-file uploads across browsers | 231.3K sites |
| Slick Responsive carousel and slider library for web pages | 9.9M sites |
| Underscore.js JavaScript utility library offering functional programming helpers | 6.3M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 11M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 114.7M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 53M 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 |
| 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 | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Gravatar Service serving globally recognized avatar images by email | 1.2M sites |
| other | |
| Litespeed Cache | |
| Contact Form 7 Forms & Popups | 7.3M sites |
| Rankmath | 2.6M sites |
| Contextual Related Posts SEO | 34.8K sites |
| Legal Pages – Privacy Policy, Terms & Conditions, GDPR, CCPA, and Cookie Notice Generator Security & Privacy | 2.2K sites |
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