| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 138.5M sites |
| Front-End Frameworks & UI Toolkits | |
| Next.js React framework for server-rendered and static web apps | 6.9M sites |
| React JavaScript library for building component-based user interfaces | 31.2M sites |
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| Webpack Module bundler compiling JavaScript assets for the browser | 7.2M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 77.7M sites |
| other | |
| Zanchet E Paim Telecom Ltda Me | 2 sites |
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