Aside from the Instagram Analytics themselves, another great website to evaluate analytics is MightyScout mightyscout.com/influencer-lookup
This website gives you statistics on engagement, top photos, followers, top mentions, top hashtags, as well as lots of other useful analytics. The thing that sets MightyScout apart from the Instagram analytics themselves, is that it gives you the option to evaluate any other account by typing their Instagram name into the search bar at the top.
Want to know how well your Instagram page is performing against your competitors? If so, MightyScout has the answer!