| Web Analytics & Measurement | |
| Umami Privacy-focused open-source web analytics tracking platform. | 38.1K sites |
| CDN & Edge Delivery | |
| BootstrapCDN CDN delivering Bootstrap CSS and JavaScript assets | 1.7M sites |
| jQuery CDN Content delivery network serving the jQuery library | 6.1M sites |
| jsDelivr Free open-source CDN for JavaScript, CSS, and assets | 16.5M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 67.2M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 36.7M sites |
| JavaScript Libraries & Widgets | |
| Popper JavaScript positioning engine for tooltips and popovers | 4.3M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 90.4M sites |
| Media, Maps & Social | |
| YouTube Video hosting platform whose players embed into web pages | 6.4M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 87.6M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Supreme-Servers | 130 sites |
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