Font Performance Checker
Analyze web font loading performance and suggest optimizations.
This tool is fully functional and ready to use!
Functionality for this tool is implemented via JavaScript and requires no special backend.
About Font Performance Checker
Slow loading fonts can significantly impact user experience and SEO. This tool analyzes your web font setup and provides actionable insights to improve performance, such as subsetting, font-display strategies, and preloading.
Common Use Cases
- ✅ Website performance optimization
- ✅ SEO audits
- ✅ User experience improvement
- ✅ Web development
Why Choose Font Performance Checker?
Our font performance checker is designed with developers and designers in mind. It offers:
- ⚡ Lightning Fast: No external dependencies, pure client-side processing
- 🔒 Privacy First: Your data never leaves your browser
- 📱 Fully Responsive: Works perfectly on mobile, tablet, and desktop
- 🎨 Beautiful UI: Clean, modern interface with dark mode support
Frequently Asked Questions
Is this tool free to use?
Yes! All tools on DevTools 2026 are completely free to use with no hidden fees, subscriptions, or sign-ups required.
Do I need to credit DevTools 2026?
No attribution is required, but we appreciate links back to our site if you find our tools helpful!
Are Google Fonts free for commercial use?
Yes! All Google Fonts are licensed under the Open Font License (OFL), which allows free use in commercial projects, apps, and print materials.
How do I self-host downloaded fonts?
After downloading the ZIP file, extract it to your website's assets folder and use @font-face in your CSS to reference the WOFF2 files.