Est. employees
51 to 200
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 59.7M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 63.8M sites |
| Hosting & Cloud Providers | |
| Lws French web hosting provider. | 200.2K sites |
| CDN & Edge Delivery | |
| Unpkg CDN serving packages published to the npm registry | 5.2M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| ProfilePress WordPress plugin handling user registration, login, and profiles | 166.3K sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 153.2M sites |
| Varnish HTTP reverse proxy and caching accelerator for web content | 6.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 43.5M sites |
| Onsen UI UI framework for building hybrid and mobile web apps | 3.1M sites |
| PWA Progressive web app technology enabling installable, offline-capable sites | 29.8M sites |
| JavaScript Libraries & Widgets | |
| Popper JavaScript positioning engine for tooltips and popovers | 5.4M sites |
| Select2 JavaScript library enhancing select boxes with search and tags | 1.8M sites |
| WOW JavaScript library revealing CSS animations on scroll | 5.3M 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 | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| SEO & Content Discovery | |
| Google Generic Google service or script detected on the site | 32.3M 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 |
| Site Kit Official WordPress plugin connecting Google search and analytics tools | 10.4M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| Gravatar Service serving globally recognized avatar images by email | 1.2M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Contact Form 7 Forms & Popups | 7.3M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 5.1M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 4M sites |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed Analytics | 3.9M sites |
| Mcp | 3.1M sites |
| Rankmath | 2.6M sites |
| Wordfence Login Security Security & Privacy | 2.4M sites |
| Wpcom | 2.2M sites |
| My Jetpack | 2.1M sites |
| Jetpack Boost – Website Speed, Performance and Critical CSS Performance & Speed | 2.1M sites |
| Two Factor Security & Privacy | 644.8K sites |
| Webp Converter Content & Media | 412.8K sites |
| Rankmath Marketplace | 219.6K sites |
| WP Popular Posts Content & Media | 76.5K sites |
| Ajax Search Lite – Live Search & Filter Productivity & Operations | 42.6K sites |
| Notification – Custom Notifications and Alerts for WordPress Marketing & Email | 7.7K sites |
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