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Page Speed Estimator
Estimate page speed score with optimization checklist and tips
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Speed Factor Checklist
Check each optimization you have already implemented:
Image Optimization
Weight: 15%Compress and serve images in modern formats (WebP, AVIF)
Tip: Use next/image or lazy loading. Compress all images above 100KB.
CSS & JS Minification
Weight: 10%Minify and bundle CSS/JavaScript files
Tip: Use build tools like Webpack, Vite, or Next.js for automatic minification.
Browser Caching
Weight: 10%Set proper Cache-Control headers for static assets
Tip: Cache static files for 1 year. Use content hashing for cache busting.
CDN Usage
Weight: 12%Serve assets via a Content Delivery Network
Tip: Use Cloudflare, AWS CloudFront, or Vercel Edge Network.
Lazy Loading
Weight: 10%Defer loading of below-the-fold images and components
Tip: Add loading='lazy' to images. Use dynamic imports for components.
Font Loading
Weight: 8%Optimize web font loading strategy
Tip: Use font-display: swap. Preload critical fonts. Limit font variants.
Render Blocking Resources
Weight: 10%Eliminate render-blocking CSS and JavaScript
Tip: Inline critical CSS. Defer non-critical JS. Use async/defer attributes.
Server Response Time (TTFB)
Weight: 10%Time to First Byte should be under 200ms
Tip: Use SSG/ISR, optimize database queries, enable server-side caching.
HTTP/2 or HTTP/3
Weight: 5%Use modern HTTP protocols for multiplexing
Tip: Most modern hosting supports HTTP/2. Cloudflare offers HTTP/3.
Code Splitting
Weight: 10%Split JavaScript bundles for on-demand loading
Tip: Use dynamic imports. Analyze bundle with webpack-bundle-analyzer.
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About Page Speed Estimator
Page Speed Estimator is a free online tool available on SabTools.in. Estimate page speed score with optimization checklist and tips. This tool is completely free to use, requires no signup, and works instantly in your browser. Your data stays private as all calculations happen on your device.
How to use Page Speed Estimator?
- Enter the required values in the input fields above
- The results will be calculated automatically in real-time
- You can copy or share the results as needed
Why use SabTools.in?
- 100% free โ no signup, no limits, no hidden fees
- Lightning fast โ runs instantly in your browser
- Privacy first โ your data never leaves your device
- Mobile friendly โ works on any phone, tablet or computer
- Made for India โ Indian number formats, GST, EMI & more
Frequently Asked Questions
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