This buildpack installs shims that always add --headless, --disable-gpu, --no-sandbox, and --remote-debugging-port=9222 to any google-chrome command as you'll have trouble running Chrome on a Heroku dyno otherwise.

If you're looking for a slightly higher level API built on the same technology, you may want to check out watir or capybara.

Cuprite is a pure Ruby driver (read as no Selenium/WebDriver/ChromeDriver dependency) for Capybara.

Ferrum connects to the browser by CDP protocol and there's no Selenium/WebDriver/ChromeDriver dependency.

JS drivers are generally meh, they're slow and not single one of them covers 100% of function, and they're often quirky and hard to debug, but I'm sure you've got that figured out by now.

For large-scale analysis of websites, we have implemented a crawler, called Cookinspect, based on a Selenium-instrumented Chromium, that detects what consent cookie banners store in the user's browser.