60+ Very Useful Cheat Sheets for Web Developers

A Cheat Sheet is one pager (or in some cases a few pages) bringing together the most important and often used information about a specific technology, tool etc.

Cheat Sheets are useful because Web Developers today need to remember more things to be effective doing their job than most people can manage. Having the right Cheat Sheets printed out and placed on the wall next to the monitor is like adding extra memory banks to an exhausted computer – the information you need can be accessed instantly.

This post focus on Cheat Sheets for Web Developers but You can find them on many other subjects. Read on and pick the Cheat Sheets you need.

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Article Index

• Markup Cheat Sheets (CSS, HTML, XML)
• Scripting Cheat Sheets (Javascript, jQuery etc.)
• Server side programming (PHP, .NET, SQL etc.)
• Regular expressions
• Search Engine Optimization Cheat Sheets

Markup Cheat Sheets

There’s a lot of cheat sheets available for CSS, html and any other web technology. I have picked a few that I believe stand out because they are able to assist you remebering important elements of key web technologies or because they are really well structured.

Print out your favorite Cheat Sheet and put it on the wall just next to your monitor to get instant access to help and reference.

Gosquared CSS help sheets

Good looking and well structured CSS overview

addedbytes CSS2 Cheat Sheet

The CSS cheat sheet is a one-page reference sheet, listing all selectors (as of CSS 2.1) and properties. It includes a visual example of the box model, unit reference for CSS units and the various media types CSS makes allowance for.

Core css

All you need to know about CSS in 3 parts. These documents go through all important aspects of CSS on a minimum number of pages.

CSS Shorthand Cheat Sheet

Get help with some of the CSS elements that are so easy to forget.

CSS2 – Quick Reference Guide – PDF

CSS 3 Cheat Sheet (PDF)

There are not a lot of CSS 3 Cheat Sheets available by now but Smashing Magazine provide a great one for Free. This is a must have if you plan to start using some CSS 3!

W3C – Cascading Style Sheets, Current Work

If you want to follow the development of CSS3, this page is the place to start.

CSS support in Opera 9.5

CSS 3 Support In Firefox 3.5

Core HTML

XHTML 1.1 Cheat Sheet

This cheat sheet is designed to be a quick reference to all of the elements and attributes available in the XHTML 1.1 specification. And because XHTML 1.1 is designed to be modular, it is organized into sections to mirror the XHTML abstract modules and the elements and attributes contained within each.

Gosquared html help sheets

Good looking and well structured html overview

HTML Cheat Sheet

The HTML cheat sheet is a one-page A4 printable document, designed to provide a quick reference for HTML. PDF PNG

HTML5 Canvas Cheat Sheet

The information is pretty much just a copy of what is found in the WHATWG specs, just condensed and hopefully a bit easier to read. There are virtually no explanations, however, and no examples other than some graphics for compositing values and a few other things (the appearance of which is very much inspired by those found in Mozilla’s examples). So, it’s basically just a listing of the attributes and methods of the canvas element and the 2d drawing context.

HTML Character Entities Cheat Sheet

The HTML Character Entities cheat sheet is designed to act as a reference sheet, listing the various character codes in HTML. PDF PNG

HTML Character Entities Cheat Sheet

This cheat sheet contains a list of all of the HTML 4 character entities including ISO 8859-1 (Latin-1) entities. The characters are organized into 8 groups: Latin characters, Greek characters, numbers, puncutation and miscellaneous symbols, mathematical symbols, currency symbols, arrows and shapes, and spacing symbols.

Each character contains a unicode entity reference (e.g. &#160) as well as a named entity reference (e.g.  ) where available.

HTML Colors Cheat Sheet

This cheat sheet contains a chart of 1050 colors grouped by hue and varied into 25 different saturations and brightnesses for each. Each color has the HTML color code reprsented as a Hex triplet (e.g. #808080). Also, it contains a chart of the 216 Web-safe colors and each is represented as a single-digit Hex triplet (e.g. #999).

RGB Hex Colour Chart

The RGB Hex colour chart is a very large (183kB) PNG file, and is sized to fit on a standard A4 piece of paper. It shows the 216 so-called “web safe” or “non-dithering” colours (there are actually only 22 web safe colours, but those are revolting).

XML (eXtensible Markup Language) in one page

XML Syntax Quick Reference

Scripting Cheat Sheets

JavaScript Cheat Sheet

The JavaScript cheat sheet is designed to act as a reminder and reference sheet, listing methods and functions of JavaScript. It includes reference material for regular expressions in JavaScript, as well as a short guide to the XMLHttpRequest object. A description of what is on the cheat sheet follows, or if you are impatient, you can go straight to the full size JavaScript cheat sheet.

JavaScript DOM Cheatsheet

Working with XML in Javascript is

jQuery Cheat Sheet 1.2

Getting Started with Ajax

Scriptaculous Cheat Sheet

Symfony Cheat Sheet

JavaScript Cheat Sheet

Mootools Cheat Sheet

mootools 1.2 cheat sheet

This sheet cover Core, Native, Class, Element, Utilities and Request

prototype 1.5.0

Prototype 1.6.0.2 Cheat Sheet

• Modules are sorted in a somewhat logical order – those commonly used are mostly in the left/center area, while deprecated/utility methods are all the way to the right
• Method can be recognized by parentheses following it (anything that doesn’t have ones is a property)
• Deprecated items are marked red and have NO parentheses/arguments specified
• Prototype extends quite few native objects’ prototypes with a set of convenient methods. In such cases there’s an explicit note about it next to a module name – i.g. stripScripts() method from “String (String.prototype)” can be called as ‘foo’.stripScripts()
• When a module is also a class, there’s a “(constructor)” note next to it – i.g. “Hash (constructor)” means that it should be called as new Hash()
• There are few bonus items (such as those from Prototype.Browser) which are not yet included in documentation

Download

Addison-Wesley’s JavaScript Reference Card

Javascript: A scripting language designed to be integrated into HTML code to produce enhanced, dynamic, interactive web pages.

jQuery selectors

Very comprehensive overview of jQuery selectors. This is a must have for every jQuery developer!

Server side programming

Apache Cheat Sheet

Apache 1.3 Quick Reference Card – PDF

Mod_Rewrite Cheat Sheet

htaccess Cheatsheet

PHP Cheat Sheet

PHP Cheat Sheet (V2)

The PHP cheat sheet is a one-page reference sheet, listing date format arguments, regular expression syntax and common functions.

visibone

This website contains a 2-page light and lean PHP cheatsheet and an 8-page comprehensive PHP cheat sheet for committed PHP developers

Php 4 Reference Card

PHP Cheat Sheet

3 cheat sheets covering comparison using different operators etc.

Struts

Ruby on Rails Cheat Sheet

Python

JSP Cheat Sheet

Django Cheat Sheet

Core C# and .NET Quick Reference

ASP.net

MS ASP

The ASP cheat sheet is designed to act as a reminder and reference sheet, listing various of the oft-forgotten parts of ASP / VBScript.

msnet formatting strings

SQL (Structured Query Language) in one page

MySQL Cheat Sheet

SQL Cheat Sheet

mysql

MySQL/CheatSheet

Regular Expressions

Added Bytes

Regular expressions is really about knowing what syntax to use and there are many details to memorise. I would recommend that you get yourself a cheat sheet. In my opinion a good cheat sheet is essentials and I personally recommend the one Added Bytes provide for free.

regexlib CheatSheet

Regular Expressions Cheat Sheet

Quick Reference Guide

Regular Expressions for client-side JavaScript

Search Engine Optimization Cheat Sheets

Creating good content that is presented in the right way is important but only haft the way to get visitors. Understanding and mastering Search Engine Optimization, SEO is quite essential and here you get some really good overviews

The Web Developer’s SEO Cheat Sheet

This cheat sheet cover most of what you need, Important SEO Html Tags, Search Engine Indexing Limits, Recommended Title Tag Syntax, Common Canonical Issues, Important Search Engine Robot User-Agents etc.

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Lars

Lars started tripwire magazine back in January 2009. He is really passionate about web design, web development and loves to look into new technologies, techniques, tools etc. and to write articles for his readers.