Est. monthly visits
40M
Est. by device type
82%
18%
Est. employees
11 to 50
| Business Email & Productivity | |
| Google Workspace Google suite for business email, docs, and collaboration tools | 20.2M sites |
| Microsoft 365 Microsoft suite for business email, office apps, and collaboration | 18.2M sites |
| Communications | |
| Mailgun Transactional email API service for sending and tracking mail | 1.3M sites |
| Twilio Cloud communications API for SMS, voice, and messaging. | 26.7K sites |
| CDN & Edge Delivery | |
| Fastly Edge cloud platform and content delivery network | 2.6M sites |
| Google Hosted Libraries Google CDN serving popular open-source JavaScript libraries | 10.1M 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 | |
| Nginx High-performance web server and reverse proxy widely deployed | 153.2M sites |
| Varnish HTTP reverse proxy and caching accelerator for web content | 6.1M sites |
| JavaScript Libraries & Widgets | |
| Modernizr JavaScript library detecting browser feature support | 7.5M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 114.7M sites |
| jQuery UI jQuery-based library of UI widgets and interactions | 7.4M 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 |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Developer Tools | |
| Statuspage Hosted status page service communicating uptime and incident information. | 8.2K sites |
| other | |
| Anthropic Developer of the Claude AI models and the API behind them. Sites listed here have verified their domain with Anthropic | 160.5K sites |
| EthicalAds Ad network for developer documentation and technical sites | 5K sites |
| OpenAI Developer of the GPT models, ChatGPT and the API behind them. Sites listed here have verified their domain with OpenAI | 248.1K sites |
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