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Overview
Expand: Observatory (beta)
Observatory (beta)
Run test
Understand test results
FAQ
Expand: Optimization
Optimization
Recommendations
Expand: Image optimization
Image optimization
Image Resizing
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Polish
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Cloudflare Mirage
Expand: Troubleshooting
Troubleshooting
Image optimization on optimized images
Expand: Content optimizations
Content optimizations
Expand: Brotli compression
Brotli compression
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Content compression
Early Hints
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Smart Hints
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Expand: Rocket Loader
Rocket Loader
Enable
Ignore JavaScripts
Auto Minify
Automatic Platform Optimization
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Prefetch URLs
Expand: Troubleshooting
Troubleshooting
Auto Minify is not working
Expand: Protocol optimization
Protocol optimization
HTTP/2
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HTTP/3 (with QUIC)
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HTTP/2 to Origin
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Enhanced HTTP/2 Prioritization
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0-RTT Connection Resumption
Expand: Other optimizations
Other optimizations
Railgun
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Expand: Signed exchanges
Signed exchanges
Enable SXGs
SXGs caveats
Reference
Expand: AMP Real URL
AMP Real URL
Enable AMP Real URL
Reference
Mobile Redirect
Expand: Troubleshooting
Troubleshooting
Mobile redirect affects static assets
Troubleshooting
Aggregated Internet Measurement
Give Feedback
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Visit Speed on GitHub
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Products
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Image optimization
Troubleshooting
Troubleshooting
Image optimization on optimized images