| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Twenty Seventeen Default WordPress theme released with the 2017 version | 563.7K sites |
| Hosting & Cloud Providers | |
| As-Zxcs Network operator and autonomous system for internet infrastructure. | 397.4K sites |
| Security & Bot Defense | |
| Really Simple SSL & Security WordPress plugin enforcing HTTPS and hardening site security | 6.4M sites |
| Privacy & Cookie Consent | |
| CookieYes Cookie consent and GDPR compliance banner solution | 3.1M 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 |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 21.4M sites |
| other | |
| Recras Booking and reservation software for leisure and activity businesses | 1.3K sites |
| Yoast | 9.2M sites |
| Contact Form 7 Forms & Popups | 7.3M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 4M sites |
| Wp Rocket | 1.7M sites |
| Cky | 1.1M sites |
| Llar | 873.8K sites |
| Trustindex | 716.9K sites |
| Cookieyes | 482.7K sites |
| Quadlayers | 272.2K sites |
| Qlwapp | 82.6K sites |
| Recras Productivity & Operations | 641 sites |
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