| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Web Analytics & Measurement | |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 63.8M sites |
| Forms & Lead Capture | |
| Gravity Forms Premium WordPress plugin for building advanced forms | 1.3M sites |
| Communications | |
| SendGrid Cloud email delivery service for transactional and marketing mail | 3.8M sites |
| Hosting & Cloud Providers | |
| Hostwinds US web hosting provider offering shared, VPS, and dedicated servers. | 37.8K sites |
| Security & Bot Defense | |
| hCaptcha CAPTCHA service blocking bots while preserving privacy | 1M 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 |
| JavaScript Libraries & Widgets | |
| 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 | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| WP Rocket Premium WordPress caching and performance optimization plugin | 3.8M 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 |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Yoast | 9.2M sites |
| Mcp | 3.1M sites |
| Divi | 1.8M sites |
| Yoast Duplicate Post Other | 1.8M sites |
| Wp Rocket | 1.7M sites |
| Font Awesome Other | 351.6K sites |
| Custom | 64.8K sites |
| Appwplp | 11.6K sites |
| GDPR Security & Privacy | 7.7K sites |
| Wplp React Gdpr | 5K sites |
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