| Customer Chat & Support | |
| HighLevel All-in-one marketing, CRM, and client engagement platform | 1.2M sites |
| Business Email & Productivity | |
| Google Workspace Google suite for business email, docs, and collaboration tools | 22M sites |
| Communications | |
| Elastic Email Email delivery service for marketing and transactional mail | 177.7K sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 191.7M sites |
| Security & Bot Defense | |
| Cloudflare Bot Management Cloudflare service detecting and mitigating malicious bot traffic | 7.1M sites |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 122.9M sites |
| SEO & Content Discovery | |
| Google Generic Google service or script detected on the site | 35.8M sites |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 127.7M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 90.8M sites |
| Lucide Open-source icon library of clean, consistent SVG icons | 6.1M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Cloudflare for SaaS Custom hostname and certificate management for SaaS providers on Cloudflare | 873.1K sites |
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