
Wordpress needs no introduction. It powerful, highly popular and have a huge community providing loads of free and premium themes and plugins. Still you may fell like creating your own themes or plugins could be fun or a way to get the functionality and look and fell you need. It is not that hard to customize a theme but starting from scratch requires some experience or assistance. I have previously provided an article that could get you started by itself, 40+ Awesome Tutorials and Techniques For WordPress Theme Developers. Still having access to a good set of cheat sheets will for sure help you speed up development even more. This article provides a cpmprehensive list of all the Wordpress Related Cheat Sheets I have been able to find and some are really useful. Let me know in a comment if I missed anything!
Pure Wordpress Cheat Sheets
The WordPress Help Sheet
The WordPress Help Sheet includes the following:
- Basic Template Files
- PHP Snippets for the Header
- PHP Snippets for the Templates
- And Extra Stuff for WordPress
Download PDF : Download Cheat Sheet
Source : wpcandy.com

WordPress Theme Development Checklist
Download PDF : Download Cheat Sheet »
Source : wptoy.com »

Wordpress SEO Cheat Sheet
Download PDF : Download Cheat Sheet
Source : tekka.de

WordPress Template Tags
Download PDF : Download Cheat Sheet
View HTML Version : View HTML Cheat Sheet
Source : bueltge.de

WordPress Theme Cheat Sheet

WordPress CheatSheet
Download PDF : Download Cheat Sheet
Source : andywibbels.com

WordPress Theme Cheat Sheet
View PNG Cheatsheet : View Cheat Sheet
Source : headzoo.com

30+ Wordpress snippets collection
View html Cheatsheet : View Cheat Sheet
Source : design-notes.info

WP Help Sheet
View HTML Cheatsheet : View Cheat Sheet
Source : frozr.comg

My Wordpress Cheat Sheet
View HTML Cheatsheet : View Cheat Sheet
Source : graphicrating.com
You can find link to pdf version in the comment section.

WordPress Loop
Download PDF : Download Cheat Sheet
Source : bueltge.de

WP Plugin API Cheat Sheet
Download PDF : Download Cheat Sheet
Source : bueltge.de

WP Widget Cheat Sheet
Download PDF : Download Cheat Sheet
Source : bueltge.de

WordPress Template Tag Reference
View HTML Cheatsheet : View Cheat Sheet
Source : dbswebsite.com

The Advanced WordPress Help Sheet
Download PDF : Download Cheat Sheet
Source : wpcandy.com

WordPress Optimization/Cheat Sheet
View HTML Cheatsheet : View Cheat Sheet
Source : codex.wordpress.org

Wordpress Related Cheat Sheets
When working with Wordpress Themes and plugins you will most likely need to dive into some CSS, HTML, PHP and SQL. If you’re building a really dynamic and interactive stuff some jQuery and related technologies could be relevant.
PHP Cheat Sheets
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.
HTML Cheat Sheets
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.  ) as well as a named entity reference (e.g. ) where available.
CSS Cheat Sheets
CSS2 Cheat Sheet
This cheat sheet is designed to not only be a quick reference for CSS properties but also to give you a good feel for how each property should be used. It contains all of the properties in the CSS2 specification including a description of the syntax of each one. There are also sections that describe selectors, pseudo-elements and pseudo-classes, @ rules, and colors.
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

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 1.3 Cheat Sheet
Quick reference to all jQuery 1.3 functions and properties. Note that it doesn’t cover any of the UI functionality as this could easily be a whole cheat sheet in and of itself.
jQuery Cheat Sheet 1.2
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
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!
SQL Cheat Sheets
SQL (Structured Query Language) in one page
MySQL Cheat Sheet
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.
Colour Codes Cheat Sheets
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).



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 Values for Macbeth Color Checker

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November 8th, 2009 at 4:15 pm
Great article much neeeded help for the blogger. Atleast it will to know wordpress better.
December 7th, 2009 at 6:34 am
This is really very amazing. I lots of things which I was unaware. I am gonna detailed check it soon. Thanks again for sharing these nice treaks.
December 28th, 2009 at 10:50 am
it is really great post. thanks for sharing useful information with us.
January 6th, 2010 at 7:13 pm
You’re awesome thanks a lot for the help!
January 15th, 2010 at 11:05 am
Wow so much stuff to learn. I always wondered about themes, but this site helps. Thanks. I want ti change a theme and I think I know how.