| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 49.9M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 53.8M sites |
| Advertising & Conversion Tracking | |
| Google Ads Google advertising platform for search and display campaigns | 6M sites |
| Google Ads Conversion Tracking Tag measuring conversions from Google advertising campaigns | 4M sites |
| Security & Bot Defense | |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 13.2M sites |
| Privacy & Cookie Consent | |
| Usercentrics Consent management platform for privacy compliance | 423.6K sites |
| 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 |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 39M sites |
| Onsen UI UI framework for building hybrid and mobile web apps | 2.8M sites |
| JavaScript Libraries & Widgets | |
| Chosen JavaScript library enhancing select boxes with search | 683.9K sites |
| Modernizr JavaScript library detecting browser feature support | 5.9M sites |
| WOW JavaScript library revealing CSS animations on scroll | 4.2M sites |
| fullPage.js JavaScript library for full-screen scrolling websites. | 52.5K 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 | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 58.5M sites |
| other | |
| Wallcloud | 886 sites |
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