All the performance testing tools I found do not use actual browsers for UI testing. Some of them will get the html of the webpage from the server and will parse it and we can verify the elements on them.
What I want is to find the time it takes to render the web pages and elements in actual browsers when multiple users are logged into the application. Any suggestions?
The absolute majority of web tools act on HTTP protocol level and not kicking off the real browsers because:
If you're still looking for a load testing tool which uses real browsers instead of background threads executing HTTP requests I can think of 2:
however it shouldn't be a problem to add support of browser automation framework like Selenium to any load testing tool which can "understand" a programming language