| CMS & Website Builders | |
| TYPO3 CMS Enterprise open-source content management system | 643.1K sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 49M sites |
| Hosting & Cloud Providers | |
| Litech-As | 191 sites |
| Security & Bot Defense | |
| mod_ssl Apache module providing SSL/TLS encryption. | 79.5K sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 70.4M sites |
| OpenSSL Cryptography toolkit implementing TLS and SSL protocols | 1.8M sites |
| Ubuntu Popular Linux operating system used for servers | 15.6M sites |
| mod_fastcgi Apache module connecting the server to FastCGI application processes. | 20K sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 91.4M sites |
| JavaScript Libraries & Widgets | |
| FancyBox JavaScript lightbox library for displaying images and media | 2.2M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 92.3M sites |
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