| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Web Analytics & Measurement | |
| Akamai mPulse Real user monitoring and performance analytics by Akamai. | 381.7K sites |
| Boomerang JavaScript library measuring real user performance metrics. | 381.7K sites |
| Google Analytics Google platform measuring website traffic and visitor behavior | 59.7M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 63.8M sites |
| Advertising & Conversion Tracking | |
| Amazon Advertising Amazon's advertising and product promotion platform. | 108.3K sites |
| AppNexus Programmatic advertising exchange platform. | 125.4K sites |
| DoubleClick Floodlight Google tag tracking conversions from advertising campaigns | 3.3M sites |
| DoubleClick for Publishers (DFP) Google ad serving and management platform for publishers. | 56.5K sites |
| Google Publisher Tag Google Ad Manager tag serving ads into page slots | 455.6K sites |
| theTradeDesk Programmatic advertising demand-side platform. | 130.3K sites |
| Business Email & Productivity | |
| Microsoft 365 Microsoft suite for business email, office apps, and collaboration | 18.2M sites |
| CDN & Edge Delivery | |
| Akamai Global content delivery and edge computing network | 4.4M sites |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 161.4M sites |
| cdnjs Free public CDN hosting popular open-source JavaScript libraries | 18.2M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 16M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 153.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 43.5M sites |
| PWA Progressive web app technology enabling installable, offline-capable sites | 29.8M sites |
| JavaScript Libraries & Widgets | |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 114.7M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 53M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| Media, Maps & Social | |
| Brightcove Enterprise video hosting, streaming, and player platform. | 26K sites |
| Social Media & Community | |
| Meta Generic Meta platform integration detected on the site | 1.1M sites |
| SEO & Content Discovery | |
| Google Generic Google service or script detected on the site | 32.3M sites |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 151.8M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 21.4M sites |
| Fonts & Icons | |
| Adobe Fonts Adobe subscription service delivering web fonts to sites | 4.4M sites |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Rubicon Project Programmatic advertising exchange, now part of Magnite | 29.7K sites |
| Typekit Adobe web font service, now branded Adobe Fonts | 4.1M sites |
| other | |
| 33Across Programmatic advertising and audience data platform for publishers | 16.4K sites |
| Yoast | 9.2M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 4M sites |
| Redirection SEO | 2.6M sites |
| Regenerate Thumbnails Other | 806.8K sites |
| Wpgmza | 225.6K sites |
| Crowdsignal Forms Design & Themes | 206.3K sites |
| Gallery by Visual Portfolio Content & Media | 45.1K sites |
| Coauthors | 18.4K sites |
| Wp Offload Ses | 17.9K sites |
| Apple News | 3.7K sites |
| Zone Manager (Zoninator) Content & Media | 1.4K sites |
| News | 1K sites |
| Solr | 25 sites |
| Rdm Video Cloud | 21 sites |
| Sponsorads | 18 sites |
| RdmAdPush | 18 sites |
| Rsm Adutil | 18 sites |
| JS Widgets Design & Themes | 14 sites |
| Citynews 2023 | 13 sites |
| Rdm Grcn | 13 sites |
| Rdm Popular Posts | 12 sites |
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