This edition shows you few plugins that you must have if you are a web developer!

1. HTML VALIDATOR (based on Tidy and OpenSP)

It is based on the HTML Tidy Library Project and OpenJade Distribution (package).

https://addons.mozilla.org/en-US/firefox/addon/249

2. SEO for Firefox

• Google PageRank
• Age of the website
• No of links pointing to the website
• No of .EDU links
• .Gov Link
• No of times a given URL has been bookmarked at Del.icio.us
• Technorati details
• Alexa rank
• Google Cached Page
• Dmoz links
• WhoIs data lookup

http://tools.seobook.com/firefox/seo-for-firefox.html

3. Window Resizer

This plugin allows you to resize window size. The supported sizes are 640×480, 800×600, 1024×768, 1280×800, 1280×1024 and 1600×1200.

https://addons.mozilla.org/en-US/firefox/addon/1985

4. Fireshot

Fireshot is a screen capturing tool for firefox. This also support editing of the screen shot that you have taken.

https://addons.mozilla.org/en-US/firefox/addon/5648

5. Web Developer

This amazing plugin allows you to add a menu and a toolbar that contains various tools for web developers

https://addons.mozilla.org/en-US/firefox/addon/60

6. Pencil

Many of you may require ‘easy’ image editors (for doing simple tasks). And you might be relying on softwares like MS paint or Kolor paint for this. (You can also use GNU paint if you in Linix platform)

This plugin allows you to make diagrams and do necessary GUI prototyping.

https://addons.mozilla.org/en-US/firefox/addon/8487

7. CSS Viewer

This plugin is essentially a CSS property viewer!

https://addons.mozilla.org/en-US/firefox/addon/2104

8. YSlow

This is an analysis tool that helps you to scrutinize your webpages and helps you to improvise the ranking and performance (based on Yahoo! suggestions)

https://addons.mozilla.org/en-US/firefox/addon/5369

9.DOM Inspector

This plugin allows you to inspect and edit the DOM in a web page or XUL application

https://addons.mozilla.org/en-US/firefox/addon/6622

10. Firecookie

It will help you to manage cookies.

https://addons.mozilla.org/en-US/firefox/addon/6683