Best Practices for Speeding Up Your Web Site

Today I found a greate article for best practices for making web pages fast.The list includes 34 best practices divided into 7 categories.

1) Content

* Minimize HTTP Requests
* Reduce DNS Lookups
* Avoid Redirects
* Make Ajax Cacheable
* Post-load Components
* Preload Components
* Reduce the Number of DOM Elements
* Split Components Across Domains
* Minimize the Number of iframes

2) Server

* Use a Content Delivery Network
* Add an Expires or a Cache-Control Header
* Gzip Components
* Configure ETags
* Flush the Buffer Early
* Use GET for AJAX Requests

3) CSS

* Put Stylesheets at the Top
* Avoid CSS Expressions
* Choose over @import
* Avoid Filters

4) Javascript

* Put Scripts at the Bottom
* Make JavaScript and CSS External
* Minify JavaScript and CSS
* Remove Duplicate Scripts
* Minimize DOM Access
* Develop Smart Event Handlers

5) Cookie

* Reduce Cookie Size
* Use Cookie-free Domains for Components

6) Images

* Optimize Images
* Optimize CSS Sprites
* Don’t Scale Images in HTML
* Make favicon.ico Small and Cacheable

7) Mobile

* Keep Components under 25K
* Pack Components into a Multipart Document

For details check out this