Test Everything is a web-based application for multi-purpose testing, reducing the time it takes you to use online services and validators. Test Everything is an aggregate of over 100 tools reduced to just one web page. You can validate your XHTML for web standards and accessibility, test your design in several browsers (using the Browsershots service), check page rank, and more – all in one location.
Pingdom Tools is web-based application that you can use for easily testing the performance of your web pages. It can give you information on the total loading time of a web page and the total number of objects required to render the page to give you insights on things you can leave out or combine. It gives you a visualization of how page objects are loaded and you can sort the results by load order, load time (helpful in seeing what’s taking so long to load), file size, file type, and URL.
3. ClickHeat
ClickHeat is a visual heatmap of clicks on a HTML page, showing hot and cold click zones. ClickHeat is an OpenSource software, released under GPL licence, and free of charge.
