1. (not set) in Reports?
2. Artificially Low Bounce Rates anywhere?
4. Personally identifiable information in the URLs?
5. Are all the emails tagged properly (with UTMs)?
6. Is the event tracking set up properly?
7. Are the data imports used properly?
8. Is the remarketing set up properly?
9. Are the custom channel groupings used properly?
10. Goal funnels set up properly?
11. Is there any combined data (web and app hits are reported together)?
13. Does the site have excessive sampling?
14. Should the site be rewriting URLs?