Ranked in these QuestionsQuestion Ranking
Pro Runs on Node.js
Pro Fully featured api based interaction and assertion
The way the api is built makes it very easy to add to your test framework.
Pro Claims to be "Insanely Fast"
Con No screen-shot
As it doesn't render the page, you cannot get a screenshot to for testing or reporting test failures.
Con Fails to load many sites
Con Stale documentation
Full API documentation has been missing since the start, making it frustrating to use.
Con Support has waned
As of August 19, 2016, Zombie hasn't received a commit since January 2016. Issues get comments like "patch welcome".