Thanks for breaking out the 3 sub-types. I would add if someone is not careful they may not be testing what they think they are testing. For example, when testi

Thanks for breaking out the 3 sub-types. I would add if someone is not careful they may not be testing what they think they are testing. For example, when testing response latency, beware of caching. If you hit the same data a million times, your average can look really good, but that's not what your users will experience.