| Web Analytics & Measurement | |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 63.8M sites |
| Snowplow Analytics Open-source behavioral data and analytics platform. | 174.8K sites |
| Advertising & Conversion Tracking | |
| Linkedin Ads LinkedIn advertising platform for professional audience targeting | 870.1K sites |
| Linkedin Insight Tag LinkedIn tag tracking ad conversions and building audiences | 3.8M sites |
| Hosting & Cloud Providers | |
| AWS Amazon cloud platform offering compute, storage, and hosting services | 103.5M sites |
| Amazon S3 Amazon cloud object storage for files and static assets | 5.6M sites |
| Amazon Web Services Amazon cloud platform offering compute, storage, and hosting | 14.2M sites |
| CDN & Edge Delivery | |
| Amazon CloudFront Amazon content delivery network serving cached content globally | 6.1M sites |
| Security & Bot Defense | |
| GlobalSign Certificate authority issuing SSL/TLS and identity certificates | 581.8K sites |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 149.4M sites |
| Front-End Frameworks & UI Toolkits | |
| React JavaScript library for building component-based user interfaces | 30.2M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| Social Media & Community | |
| Meta Generic Meta platform integration detected on the site | 1.1M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 151.8M sites |
| other | |
| Algolia Hosted search and discovery API for sites and apps. | 181.1K sites |
| LoaderIO Load testing service for web applications and APIs | 4.5K sites |
| Sectigo Certificate authority issuing TLS and code signing certificates | 446.9K sites |
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