Wordpress Plugins 
Mozilla Firefox Addons 
Google chrome Extensions 
Download W3 Total Cache wordpress plugin to install in your Wordpress blog Manually. This W3 Total Cache is used to Search Engine (SEO) & Performance Optimization (WPO) via caching. Integrated caching: CDN, Minify, Page, Object, Fragment, Database support.
Purge all page from W3 Total Cache when a post is published / updated.
Opens a new tab and shows which web technologies the current...
Web Accessibility Test.
You can have an idea, with...
...
Hides W3Schools results from Google's searches
Search in w3schools EN
Save anything you like from the web into your Flipboard.
Powerful tool for analysing your Google+. You get insights about +1's, reshares, number of comments...
Automatically save the text. Shift + Enter post. for Google Plus™.
The "+Clip it button" is a tool to clip several images with description from web pages to the...
Popup google+ comments, and share. shift + enter post.
