We, like many, I suspect, use Selenium with chromedriver, driven from Jenkins in a nightly run or on demand for things like during a release (which we babysit).

We, like many, I suspect, use Selenium with chromedriver, driven from Jenkins in a nightly run or on demand for things like during a release (which we babysit). We have a rather large, rather complex, members-only website. I wouldn't say it's entirely under test, but we do have tests to hit the high spots. It does take effort, both up front and ongoing, but it is definitely worth it.