Being a web developer is an awesome job because you have the possibility to create awesome things. It is fun, you can play with some cool tools and you can earn a lot of money but like in any other type of specialization, you need to be up to date with all the technologies that you use. This can be very hard to achieve, especially when you are new in the field or when you have a lot of projects and no time for research. In this case, the best solution is the cheat sheet because on it you have all the important information about that particular domain arranged in one single place.

In this article you have 20 very useful cheat sheets for web developers which cover some of the most popular technologies on the market.

Eclipse cheat sheet

ActionScript 3.0 Packages Cheat Sheet

Design Patterns Quick Reference

Mod_Rewrite Variables Cheat sheet

HTTP Server Header Status Codes

Rails 3 Cheat Sheets

mootools 1.3 Cheat Sheet

Ultimate HTML 5 Cheat Sheet

Node.JS Help Sheet

jQuery Visual Cheat Sheet 1.6

Scripting Languages: PHP, Perl, Python, Ruby

MobileFrameworks Comparison Chart

Underscore.js API Cheat sheet

WordPress Template Hierarchy Map

GIT Cheat Sheet

package.json cheat sheet

Ultimate WordPress Cheat sheet

Interactive Cheat sheet for SEO