# What kind of test can SimpleTest do?

SimpleTest’s [unit tester](http://www.lastcraft.com/unit_test_documentation.php) is designed to test <span class="caps">PHP</span> code. Also its [web browser component](http://www.lastcraft.com/browser_documentation.php) (think of it as a fake browser from the <span class="caps">POV</span> of a web server) can be used to test web pages.