Google Apps plan to begin phasing out support for Microsoft Internet Explorer 6.0 as well as other older browsers that are not supported by their own manufacturers on the Google Docs suite and the Google Sites editor on March 1, 2010.

Later in 2010, Google Apps will start to phase out support for these browsers for Google Mail and Google Calendar.

Google Apps will continue to support Internet Explorer 7.0 and above, Firefox 3.0 and above, Google Chrome 4.0 and above, and Safari 3.0 and above.

Starting this week, users on these older browsers will see a message in Google Docs and the Google Sites editor explaining this change and asking them to upgrade their browser.

Firefox addons which are useful for search engine optimization while searching / browsing.

Foxy SEO Tool – Foxy SEO Tool is a free, open source toolbar that provides quick and easy access to a multitude of search engine functions such as Google Site, Yahoo! Site Explorer, Live Fromlinks. Also included are famous web traffic analysis sites such as Alexa, Compete, Quantcast, popular statistic aggregators like Quarkbase and WebSiteOutlook. You can check a site’s listing in important directories like Dmoz and Yahoo! Directory, buzzing Web 2.0 sites such as Technocrati, Wikipedia, Digg, Delicious and links to useful network functions like Whois, Geotool, Internet Archive, etc.

RankQuest SEO Toolbar – This toolbar provides you quick access to more than 30 intuitive SEO tools. Alexa Rank and Page Rank provided by Alexa and Google respectively ensures the popularity of the site. Once you download and install the SEO Toolbar you are only one or two clicks away from carrying out most of your day to day SEO operations.

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Web Developer

The Web Developer extension adds a menu and a toolbar with various web developer tools.
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ColorZilla

Advanced Eyedropper, ColorPicker, Page Zoomer and other colorful goodies.
With ColorZilla you can get a color reading from any point in your browser, quickly adjust this color and paste it into another program. You can Zoom the page you are viewing and measure distances between any two points on the page. The built-in palette browser allows choosing colors from pre-defined color sets and saving the most used colors in custom palettes. DOM spying features allow getting various information about DOM elements quickly and easily.
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