- World Wide Web Consortium (W3C)
- MySQL
- PHP:Hypertext Preprocessor
- W3schools
- SitePoint
- copypastecharacter.com
- XHTML Character Entity Reference
- supportdetails.com
- Mozilla Dev Net
- Eric Meyer
- Slashdot
- CSS-Tricks
- Webdeveloper
- Webdeveloper.earthweb.com
- javascriptkit.com
- dynamicdrive.com
- javascriptsource
- jsfiddle
