Just Launched - Run WebPageTest programmatically with the API. Learn more.
There are additional customizations that can be done by modifying the tests parameter in the comparison URL directly.
URL structure: ...compare.php?tests=<Test 1 ID>,<Test 2 ID>...
The tests are displayed in the order listed and can be customized with options:
You can also customize the background and text color by passing HTML color values to bg and text query parameters.