| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| wpBakery Drag-and-drop page builder plugin for WordPress | 4.3M sites |
| Web Analytics & Measurement | |
| Google PageSpeed Google tools measuring and reporting page performance | 441.6K sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 63.8M sites |
| Business Email & Productivity | |
| Microsoft 365 Microsoft suite for business email, office apps, and collaboration | 18.2M sites |
| Communications | |
| Amazon SES Amazon service for sending transactional and bulk email | 1.3M sites |
| Hosting & Cloud Providers | |
| Hetzner German provider of dedicated servers and cloud hosting | 6M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| hCaptcha CAPTCHA service blocking bots while preserving privacy | 1M sites |
| Privacy & Cookie Consent | |
| Usercentrics Consent management platform for privacy compliance | 541.8K 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 |
| Front-End Frameworks & UI Toolkits | |
| Material Design Lite Google's Material Design CSS and JS component framework. | 310.6K sites |
| JavaScript Libraries & Widgets | |
| JSZip JavaScript library for creating and reading ZIP files. | 128.9K 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 |
| Media, Maps & Social | |
| Polylang WordPress plugin for building multilingual and translated sites | 464.8K 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 | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Aioseo | 1.5M sites |
| Pll | 571.9K sites |
| Aios | 464.9K sites |
| iFolders – Ultimate Folder Organizer for Media Library, Pages, Posts and Users Other | 269 sites |
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