| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 57.6M sites |
| WordPress Themes & Plugins | |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 17.5M sites |
| Web Analytics & Measurement | |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 53M sites |
| Communications | |
| SendGrid Cloud email delivery service for transactional and marketing mail | 3.9M sites |
| Hosting & Cloud Providers | |
| Elementor Cloud Managed WordPress hosting bundled with the Elementor builder. | 39.7K sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 191.7M sites |
| Security & Bot Defense | |
| Cloudflare Bot Management Cloudflare service detecting and mitigating malicious bot traffic | 7.1M sites |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 122.9M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 91.4M sites |
| Front-End Frameworks & UI Toolkits | |
| Alpine.js Lightweight JavaScript framework for adding interactivity to markup | 1.5M sites |
| JavaScript Libraries & Widgets | |
| Swiper Modern touch slider and carousel library for web and mobile | 19.7M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 92.3M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 39.8M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 59.5M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 62.4M sites |
| Media, Maps & Social | |
| Weglot Translation service making websites multilingual | 231K sites |
| SEO & Content Discovery | |
| Google Generic Google service or script detected on the site | 35.8M sites |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 127.7M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 54.2M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 16.2M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
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