Web Development

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System Monitor Requires Restart

Provides CPU usage and memory usage graphs on the toolbar.

Rated 4 out of 5 stars (13)
490 users

Disable Links Requires Restart

Disable links

Rated 1 out of 5 stars (2)
15 users

JS Exec Requires Restart

Javascript Executer Toolbar

Rated 5 out of 5 stars (1)
1 user

View Page Source in Tab

Adds a 'View Page Source in Tab' context menu item to a page's context menu.

Rated 3 out of 5 stars (9)
288 users

Open URIs Requires Restart

Allow trying a URI or URIs (esp. a special protocol or URN) in links before falling back to href (and allowing alternate URIs)

Not yet rated
1 user

WebsiteOutlook Firfox Extension Requires Restart

Shows stats for all visited sites from websiteoutlook.com in your statusbar

Not yet rated
2 users

404 Register Requires Restart

When you run into "Server not found" error it usually means that the domain has not been registered jet. This addon will check the domain availability and provide you with registration links of the most popular domain registrars on that error page.

Rated 3 out of 5 stars (2)
1 user

Web History Repository Requires Restart

Do you want Firefox to be smarter? So do we. And it is easy for you to help. Submit your anonymized Web history to the Web History Repository. With your data, researchers can gain new insights; programmers can create new tools and plugins for you.

Not yet rated
19 users

View as Text Requires Restart

A simple context-menu plugin to facilitate opening an arbitrary resource as
plain text (text/plain).

Rated 4 out of 5 stars (7)
738 users

Web Startup Toolbar Requires Restart

Pulls data from CrunchBase (funding/exit details), LinkedIn (employees), Quantcast/Compete (monthly uniques), Alexa (traffic rank), and Google/Bing/Yahoo (backlinks) on the website being viewed

Rated 4 out of 5 stars (1)
41 users

CybEye Requires Restart

Discovery anything. Past. Present. Future.

Rated 5 out of 5 stars (1)
2 users

azWebsiteWorth Requires Restart

This extension helps you get your web information such as: Website Worth, Indexed Pages And Backlinks, Alexa Traffic Stats, Show Visitors By Country...And More!

Not yet rated
6 users

RailsBug Requires Restart

Firebug Extension for Ruby on Rails

Not yet rated
134 users

StatShow - Free Website Worth Estimator Requires Restart

Using the right click button it can estimate website worth, traffic(visitors and pageviews), advertisement earnings, alexa rank, backlinks, whois info and more.

Rated 4 out of 5 stars (1)
134 users

JsBloat Requires Restart

JsBloat is a Firefox extension that helps determine what fraction of the jQuery library a web page uses.

Rated 1 out of 5 stars (1)
40 users

SocialMediaShares Requires Restart

Anzahl der URL Nennungen in Social Media Communities.
Aktuell unterstützt :
Facebook shares
Google plusons
Twitter tweets

Not yet rated
59 users

roboxt! Requires Restart

The Firefox Add-On roboxt! helps determing if robots.txt is configured correctly. It reports which pages a web crawler may crawl and marks links that a web crawler may not visit.

Rated 4 out of 5 stars (1)
536 users

Check-Host Requires Restart

Check the availability of host.

Rated 5 out of 5 stars (5)
521 users

SiteMetrics SEO for Firefox Requires Restart

The SiteMetrics SEO Extension for Firefox is a browser plugin to get some relevant onsite SEO metrics while surfing the web.

Rated 4 out of 5 stars (1)
559 users

JsonShow Requires Restart

JSON字符串解码

Rated 5 out of 5 stars (8)
483 users