We like that it's easy to use, has many features (including Google Analytics integration), is very flexible in terms of what you can do with your data; also I appreciate how intuitively they have thought about their interface! The only thing which sometimes confuses me is when using rank tracking links or custom landing page URLs -- then there are some redirects / errors happening at times during our tests. But overall this tool does everything we need from them, so nothing really comes up as an issue here :) They offer great support if needed too via phone calls etc., but otherwise most things just work out fine without any problems encountered yet ;) Thanks again guys!! It helps us track all website traffic sources through GA & other tools such as Social Media platforms.