About one week has gone since Firefox passed the 400 million downloads mark. A lot of people and of course webmaster use the revolutionary browser to explore the web. So this time I want to present you a bunch of plugins, especially for web development!

Debugging

Firebug – A masterpiece of plugin! If you want to edit your sites CSS and preview it in real-time, this plugin is what you need.

JavaScript Debugger – A powerful JavaScript debugging environment.

Console Two – A plugin/console to display errors filtered by type, language and context.

Analysis

View Source Chart – A cool plugin which enables you to display a color-coded chart of a website’s source code.

OperaView – Open pages in Opera from Firefox context menu.

View Dependencies – This plugin adds a tab to the Page Info window which lists all the files that have been loaded to show the current page.

lori – It can tell you how long it takes to load a page.

HTML Validator – This plugin displays the number of found errors of the site you are viewing.

CSS Validator – As you may guess, it validates a site’s CSS stylesheet.

RSS Validator – One of many plugins to validate a RSS Feed using the W3C Validator.

Window Resizer – A plugin to resize your window to standard sizes; useful to see how your site looks with different resolutions.

IE Tab – Handy extension to see how your site is displayed in Internet Explorer.

ViewSourceWith – An extension that primary allows you to view the source code of a site with an external application but you can also open images with other apps etc…

CSS

Aardvark – This extension can show you the attributes, classes and ids by highlighting a page element with your cursor.

Font Finder – If you ever wanted to see the css-styles used for a certain element on a website, you need this plugin.

SEO

Social Media for Firefox – Really good plugin that shows the stats of 4 social services (digg, reddit, stumbleupon, delicious) for the page you are visiting, in the status bar. Useful if you want to know whether a site you own already has been submitted to one of these services.

Niche Watch Tool – Very good plugin that provides you the technical information like backlinks, page rank, keywords strength… everything a webmaster needs to analyze his site.

KGen – This addon retrieves all words of a page and lets you know how many times they appear; interesting for SEO optimization.

Others

Greasemonkey – Allows you to customize the way a webpage displays using small bits of JavaScript; a Must-Have!

Dummy Lipsum – Not the most valuable plugin for Firefox – it generates a “lorem ipsum” text.

ColorZilla – Nice Addon to pick the color of a page element and see its values.

Screengrab! – A plugin that saves the entire page as image (no flash elements).

Image Zoom – Offers you a zoom in, zoom out function for pictures.

Web Developer – Good extension that adds a toolbar to your Firefox with various web developer tools, e.g. Site Validation, CSS Viewer…

Unicode Converter – Converts entities or character references into Unicode and back.

Platypus – Another great addon which lets you modify a website from your browser. In addition to that you can save your modifications as a Greasemonkey script to make them ‘permanent’!

ShowIP – A useful extension that shows you the ip of the current page in the status bar. Also it enables you to see the whois details by querying some web services.

MeasureIt – Little Firefox extension that enables you to draw a ruler across any webpage to check the width or height of a element

Most of the VCP-310 professionals have 70-291 as well as N10-003 to their credit. They do these courses while studying for their 642-901.

Hi and welcome to my first post! I want to give you a list of helpful FireFox add-ons. Each of this plugins will make some certain things easier and more comfortable for you, e. g. web developing, news reading or even downloading. I know there are a lot of other good plugins not mentioned in this post, but for the beginning of my ‘FireFox Add-on Series’ I think this is enough.

RSS and Social News:

1. Wizz RSS News Reader is a complex RSS News Reader with a lot of good features.
2. Brief is the same as Wizz RSS News Reader but with less features and therefore it isn’t as complicated as Wizz.
3. A nice tool for all Twitterusers, Twittbin. This tool will add a Twittersidebar to your FireFox to keep you up-to-date and let you post new messages right from your browser.
4. Smart Digg Button allows you to digg every site very easily and informs you whether the site you are currently visiting has already been digged or not.

Ads and security:

1. NoScript is a good choice for blocking Javascript from certain pages.
2. Adblock Plus is an adblocker and should be used because it’s quite effective.
3. Unhide Passwords is a tool for everyone who is bad at remembering passwords. It’s Good for a Home-PC but shouldn’t be used at an public accessible PC!

Web development:

1. View Source Chart is a useful tool for web developer because it shows the html-code separated into the different code blocks by using different colours.
2. Web Developer comes with an own toolbar that gives you many useful tools for analyzing webpages.

Download tools:

1. Download Statusbar is a download manager which gives you a good overview of your downloads.
2. DownloadHelper allows you to download images and videos from many sites e. g. YouTube.com.
3. VideoDownloader it’s the same as DownloadHelper but specialized on grabbing videos from all popular videoportals.
4. PDF Downloader allows you to directly open a PDF in the browser as PDF or HTML. Especially the ‘Open as HTML’-function makes this plugin very valuable to me.
5. ShowIp shows the IP of the site you are visiting in the status bar and offers you some other functions to gain further information, such as: host, Whois and Ip2Country.

Google Enhancements:

1. GooglePreview shows preview pics next to your search-results.
2. Google Reader Notifier is a great tool to monitor your Google Reader. It displays the number of unread feeds in the bottom toolbar.
3. gTalk Sidebar adds Gtalk to your FireFox sidebar.

Preview and Speed Add-ons:

1. ColorfulTabs gives each tab another color and makes surfing more colorful.
2. Cooliris Previews opens a preview window when you move you cursor over a hyperlink. It even enables you to surf inside these preview windows.
3. Tab Preview shows a preview of tab contents when you move your mouse over a background tab.
4. MinimizeToTray let’s you (as the name says) minimize your FireFox to tray.
5. FasterFox optimizes your network settings and enables prefetching of links/images. It speeds up surfing noticeable.

After 640-802 you have 2 options. You can either try for 350-001 followed by 70-270, or you can go for 220-601. In that case you will eventually be doing 220-602 as well.