| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 57.6M sites |
| WordPress Themes & Plugins | |
| Twenty Seventeen Default WordPress theme released with the 2017 version | 418K sites |
| WordPress Block Editor Block-based content editor built into modern WordPress | 11.9M sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 11.7M sites |
| Communications | |
| SendGrid Cloud email delivery service for transactional and marketing mail | 3.9M sites |
| Hosting & Cloud Providers | |
| Hetzner German provider of dedicated servers and cloud hosting | 9.2M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 122.9M sites |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 13.1M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 141.9M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 91.4M sites |
| JavaScript Libraries & Widgets | |
| 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 |
| 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 |
| Site Kit Official WordPress plugin connecting Google search and analytics tools | 7.6M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 16.2M sites |
| Yoast | 13.7M sites |
| Contact Form 7 Forms & Popups | 10.4M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 5.8M sites |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed Analytics | 5.6M sites |
| Nps Survey | 4.6M sites |
| Yoast Duplicate Post Other | 2.6M sites |
| Bsf Core | 2M sites |
| Zipwp | 1.7M sites |
| Gutenberg Templates | 1.7M sites |
| Zipwp Images | 1.7M sites |
| One Onboarding | 1.4M sites |
| Getting Started | 1.1M sites |
| Burst | 274.4K sites |
| Photo Gallery by FooGallery : Responsive Image Gallery, Masonry Gallery & Carousel Content & Media | 183.8K sites |
| Webling Other | 747 sites |
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