David

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 javascript

Inline small CSS

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