| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 57.6M sites |
| WordPress Themes & Plugins | |
| Twenty Thirteen Default WordPress theme from 2013. | 54.6K sites |
| Web Analytics & Measurement | |
| MonsterInsights WordPress plugin connecting sites to Google Analytics | 1.1M sites |
| Hosting & Cloud Providers | |
| Ignum-As Czech Republic Czech web hosting and domain provider. | 199.2K 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 | |
| Lightbox JavaScript script displaying images in an overlay popup | 5.9M 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 |
| Media, Maps & Social | |
| Imagely NextGEN Gallery WordPress plugin creating advanced photo galleries | 114.6K sites |
| NextGEN Gallery WordPress plugin for image galleries and photo management. | 78.9K sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 54.2M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 90.8M sites |
| WP Super Cache Performance & Speed | 1.5M sites |
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