Evolvable WebTest - Version 8.0 A flexible browser with stress and load testing features. You can use WebTest to identify defects that occur when web sites incurr a large amount of traffic. To use WebTest, simply visit the pages that you want to test, and hit the Save button. The Urls you visited will be written to a text file that you can open from other machines or other copies of WebTest running on your computer. Then set the time interval you would like WebTest to visit each Url. Finally, check the reload checkbox and at each interval, WebTest will visit your web page.