Web Development

by c2theg

16 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,759 reviews

2,583,853 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 234 reviews

418,163 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Web Developer by chrispederick

Rated 5 out of 5 stars 203 reviews

650,732 users

The Web Developer extension adds various web developer tools to the browser.

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 911 reviews

639,440 users

FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

YSlow by YSlow

Rated 3 out of 5 stars 180 reviews

125,417 users

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.

SeoQuake SEO extension by SeoQuake Team

Rated 4 out of 5 stars 205 reviews

71,411 users

Seoquake is a Firefox SEO extension aimed primarily at helping web masters who deal with search engine optimization (SEO), social media optimization (SMO) and internet promotion. Seoquake allows to investigate many important SEO parameters.

FirePHP by cadorn

Rated 4 out of 5 stars 45 reviews

64,586 users

FirePHP enables you to log to your Firebug Console using a simple PHP method call.

Not using Firebug 1.9+ on Firefox 8+? See http://firephp.org/

CodeBurner for Firebug by SitePoint

Rated 3 out of 5 stars 33 reviews

42,556 users

CodeBurner is a Firefox add-on that integrates with Firebug, to extend it with reference material for HTML and CSS.

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 59 reviews

149,432 users

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

FireQuery by BinaryAge, Jan Odvarko

Rated 4 out of 5 stars 50 reviews

38,925 users

Firebug plugin for jQuery development

SEO Doctor by vprelovac

Rated 4 out of 5 stars 70 reviews

21,048 users

SEO Doctor allows easy SEO diagnosis and problem solving for webmasters.

CSS Usage by Teun van Eijsden

Rated 4 out of 5 stars 38 reviews

24,776 users

Firebug extension to view which CSS rules are actually used.

Firecookie by Jan Odvarko

Rated 4 out of 5 stars 61 reviews

5,515 users

Firecookie is an extension for Firebug that makes possible to view and manage cookies in your browser

Firecookie is part of Firebug since Firebug 1.10

SenSEO by Nico Steiner

Rated 4 out of 5 stars 41 reviews

8,299 users

SenSEO is an extension checking the most important on-page-SEO-criteria and calculating a grade of how good your site fulfills these criteria.

Foxy SEO Tool by McNulty

Rated 5 out of 5 stars 19 reviews

5,296 users

Foxy SEO Tool offers tools for search engine optimization (SEO), web traffic and page analysis for webmasters and web professionals.
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