| CMS & Website Builders | |
| Drupal Open-source content management framework for building websites | 936.6K sites |
| Web Analytics & Measurement | |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 52.2M sites |
| Marketing & Email Campaigns | |
| Leadfeeder Website visitor identification tool surfacing B2B sales leads from traffic. | 31.7K sites |
| Hosting & Cloud Providers | |
| Acquia Cloud Platform Managed cloud hosting platform optimized for Drupal websites and applications. | 76.6K sites |
| Amazon S3 Amazon cloud object storage for files and static assets | 5.4M sites |
| Amazon Web Services Amazon cloud platform offering compute, storage, and hosting | 13.6M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 117.3M sites |
| Imperva Web application firewall and DDoS protection service | 359.6K sites |
| Privacy & Cookie Consent | |
| OneTrust Privacy, consent, and compliance management platform | 3.7M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 136.8M sites |
| Varnish HTTP reverse proxy and caching accelerator for web content | 5.6M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 89.1M sites |
| JavaScript Libraries & Widgets | |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 90.4M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 122.9M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 87.6M sites |
| other | |
| Aegonusa | 556 sites |
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