| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 72.1M sites |
| Debian Stable Linux operating system commonly used on servers | 2.7M sites |
| JavaScript Libraries & Widgets | |
| Animate.css CSS library providing ready-made animation effects | 6.1M sites |
| OWL Carousel Touch-enabled jQuery carousel and slider library | 8M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 93.8M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 133.1M sites |
| Fonts & Icons | |
| Adobe Fonts Adobe subscription service delivering web fonts to sites | 3.9M sites |
| Bootstrap Icons Free icon library from the Bootstrap project | 3.8M sites |
| Typekit Adobe web font service, now branded Adobe Fonts | 3.6M sites |
| other | |
| Wallcloud | 886 sites |
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