| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| The Events Calendar WordPress plugin managing and displaying events and calendars | 967.3K sites |
| WP Job Openings WordPress plugin for job listings and recruitment. | 66.3K sites |
| wpBakery Drag-and-drop page builder plugin for WordPress | 4.3M sites |
| Web Analytics & Measurement | |
| Cloudflare Browser Insights Cloudflare real-user monitoring capturing page performance metrics | 5.3M sites |
| 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 |
| Advertising & Conversion Tracking | |
| DoubleClick Floodlight Google tag tracking conversions from advertising campaigns | 3.3M sites |
| Google Ads Google advertising platform for search and display campaigns | 7.2M sites |
| Google Ads Conversion Tracking Tag measuring conversions from Google advertising campaigns | 5M sites |
| Hosting & Cloud Providers | |
| Softlayer IBM cloud infrastructure and hosting (formerly SoftLayer). | 496.6K sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 161.4M sites |
| cdnjs Free public CDN hosting popular open-source JavaScript libraries | 18.2M sites |
| Security & Bot Defense | |
| ProfilePress WordPress plugin handling user registration, login, and profiles | 166.3K sites |
| Really Simple SSL & Security WordPress plugin enforcing HTTPS and hardening site security | 6.4M 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 |
| JavaScript Libraries & Widgets | |
| Select2 JavaScript library enhancing select boxes with search and tags | 1.8M sites |
| Underscore.js JavaScript utility library offering functional programming helpers | 6.3M 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 | |
| Disqus Embeddable commenting and discussion platform for websites. | 89.2K 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 |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 21.4M 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 |
| Yoast | 9.2M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 4M sites |
| Mcp | 3.1M sites |
| Wordfence Login Security Security & Privacy | 2.4M sites |
| Yoast Duplicate Post Other | 1.8M sites |
| Wp Rocket | 1.7M sites |
| Trustindex | 716.9K sites |
| tribe Other | 497.5K sites |
| Tec | 409.2K sites |
| Gf | 140.9K sites |
| Gwiz | 61.6K sites |
| Site Reviews Social & Community | 44.8K sites |
| WebSub (FKA. PubSubHubbub) Content & Media | 29.4K sites |
| Docket Cache – Object Cache Accelerator Performance & Speed | 11.8K sites |
| Rocketship SEO SEO | 32 sites |
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