cont. from previous post “Firefox Add-ons For Web Designers And Developers”
Draws a grid on top of a website. This is useful for checking designs that are supposed to follow a grid-based layout.
Link to GridFox
Screengrab! saves entire webpages as images.
It will capture what you can see in the window, the entire page, just a selection, a particular frame… basically it saves webpages as images – either to a file, or to the clipboard.
It can capture any Java or Flash embedded in a page, but to do this it requires Java to be installed in the browser.
Link to Screengrab
Hundreds of scripts, for a wide variety of popular sites, are already available at http://userscripts.org.
Link to Greasemonkey
Statusbar icon for valitading the current document’s Cascading Style Sheets (CSS) with the W3C CSS online validator.
Link to W3C CSS validator
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with the Firebug web development tool. YSlow grades web page based on one of three predefined ruleset or a user-defined ruleset. It offers suggestions for improving the page’s performance, summarizes the page’s components, displays statistics about the page, and provides tools for performance analysis, including Smush.it™ and JSLint.
Link to YSlow
This tool was designed to add more data to Google and Yahoo! to make it easier to evaluate the value and competitive nature of a market. SEO for Firefox pulls in many useful marketing data points to make it easy get a more holistic view of the competitive landscape of a market right from the search results. In addition to pulling in useful marketing data this tool also provides links to the data sources so you can dig deeper into the data.
Link to SEO for Firefox
Ever been annoyed by all those ads and banners on the internet that often take longer to download than everything else on the page? Install Adblock Plus now and get rid of them.
Link to Adblock Plus
This is a great tool for web developers, since you can easily see how your web page displayed in IE with just one click and then switch back to Firefox.
Link to IE Tab
View HTTP headers of a page and while browsing.
Link to Live HTTP Headers
Delicious Bookmarks is the official Firefox add-on for Delicious, the world’s leading social bookmarking service (formerly del.icio.us). It integrates your bookmarks and tags with Firefox and keeps them in sync for easy, convenient access.
Link to Delicious Bookmarks