Web Development

by c2theg

16 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,807 reviews

2,216,892 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 256 reviews

381,012 users

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

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 939 reviews

532,710 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!

Web Developer by chrispederick

Rated 5 out of 5 stars 222 reviews

533,171 users

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

SeoQuake SEO extension by SeoQuake Team

Rated 4 out of 5 stars 210 reviews

72,793 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.

YSlow by YSlow

Rated 3 out of 5 stars 201 reviews

92,437 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.

FirePHP by cadorn

Rated 4 out of 5 stars 48 reviews

47,624 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/

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 65 reviews

135,860 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.

CodeBurner for Firebug by SitePoint

Rated 3 out of 5 stars 34 reviews

31,658 users

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

CSS Usage by Teun van Eijsden

Rated 4 out of 5 stars 38 reviews

20,501 users

Firebug extension to view which CSS rules are actually used.

SEO Doctor by vprelovac

Rated 4 out of 5 stars 74 reviews

15,119 users

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

FireQuery by BinaryAge, Jan Odvarko

Rated 4 out of 5 stars 52 reviews

27,966 users

Firebug plugin for jQuery development

Firecookie by Jan Odvarko

Rated 4 out of 5 stars 61 reviews

3,529 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

6,535 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

3,900 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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