Skip to content
Cloudflare Docs logomark
Cloudflare
Docs
Speed
Navigation menu icon
Open external link
Cloudflare Docs logomark
Cloudflare
Docs
Speed
Dropdown icon
Speed menu
Cloudflare homepage
Overview
Expand: Observatory (beta)
Observatory (beta)
Run test
Understand test results
FAQ
Expand: Optimization
Optimization
Recommendations
Expand: Image optimization
Image optimization
Image Resizing
External link icon
Open external link
Polish
External link icon
Open external link
Cloudflare Mirage
Expand: Troubleshooting
Troubleshooting
Image optimization on optimized images
Troubleshoot missing images
Expand: Content optimizations
Content optimizations
Auto Minify
Automatic Platform Optimization
External link icon
Open external link
Expand: Brotli compression
Brotli compression
Enable
Content compression
Expand: Cloudflare Fonts (beta)
Cloudflare Fonts (beta)
FAQ
Troubleshooting
Early Hints
External link icon
Open external link
Prefetch URLs
Expand: Rocket Loader
Rocket Loader
Enable
Ignore JavaScripts
Smart Hints
External link icon
Open external link
Expand: Troubleshooting
Troubleshooting
Auto Minify is not working
Content encoding issues
Expand: Protocol optimization
Protocol optimization
HTTP/2
HTTP/3 (with QUIC)
Enhanced HTTP/2 Prioritization
0-RTT Connection Resumption
Expand: Troubleshooting
Troubleshooting
Enhanced HTTP/2 Prioritization negatively affects iOS/Safari devices
HTTP/2 to Origin
Expand: Other optimizations
Other optimizations
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
Glossary
Give Feedback
GitHub icon
Edit this page on GitHub
Search icon (depiction of a magnifying glass)
Light theme icon (depiction of a sun)
Dark theme icon (depiction of a moon)
Set theme to dark (⇧+D)
↑ Top
Products
Speed
Optimization
Image optimization
Image optimization
Image Resizing
Polish
Cloudflare Mirage
Troubleshooting