| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Kaira Vogue Free WordPress theme with clean responsive blog layout. | 11.5K sites |
| SiteOrigin Page Builder WordPress plugin building page layouts with widgets | 449.1K sites |
| Hosting & Cloud Providers | |
| OVH European hosting and cloud infrastructure provider | 6.6M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M 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 | |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 11M 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 |
| 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 |
| Hub Connector | 1.2M sites |
| Wpmudev_pcs | 878.7K sites |
| Aios | 464.9K sites |
| Forminator Forms – Contact Form, Payment Form & Custom Form Builder Forms & Popups | 464.4K sites |
| Sowb | 297.7K sites |
| Post Duplicator Content & Media | 154.8K sites |
| Brevo – Email, SMS, Web Push, Chat, and more. Marketing & Email | 132.6K sites |
| MtphrPostDuplicatorSettings | 129.5K sites |
| Page Builder by SiteOrigin Design & Themes | 116K sites |
| Ajax Search Lite – Live Search & Filter Productivity & Operations | 42.6K sites |
| Bv Settings | 22.8K sites |
| WP Ultimate Post Grid Other | 3.7K sites |
| Captcha Ajax Content & Media | 105 sites |
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