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Server response time
Render blocking javascripts
Eliminate render blocking css
Prioritize visible content
CSS and javascript order
Optimize CSS delivery
Minimize redirects
Minimize DNS lookups
Minify CSS
Leverage browser caching
Inline small CSS
Inline small javascript
The .htaccess file
How to enable keep alive
Enable gzip compression
Deferring videos
Defer multiple javascripts
Defer loading javascript
How to defer images
How to use CSS sprites
Critical rendering path
Content delivery networks
Combine external javascript
Combine external CSS
Base64 encoding images
Avoid CSS @Import
Avoid bad requests
Don’t use ranking “tricks”
Title and ALT tags
Avoid sneaky redirects
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