Sounds like you don't have your tracking code set up correctly. I suggesting hiring someone who can spend an hour and take a look to see if you can get the tracking working properly and go from there.
If the transaction happens on the same website, as the test, you don't need to do anything. The user has a cookie that attributes the version of the test to the revenue tracking in your testing software (Optimizely, VWO). Once you connect the Google Analytics with testing software, you should be ...
Do you have any interest in maintaining the domain? Is it getting regular traffic? To maintain that, you'll want to get some relevant content on the domain as quickly as possible. From there, you can decide what you want to do with it. If you just bought it for nostalgia or because it belon...
Personally I stopped using amp pages. Sure, it speeds up your site a little bit if it's a blog but I feel they're a worst user experience than having your regular site load on a faster server. The reason you're most likely seeing a high bounce rate because if someone is reading on Google News t...
It all depends on whether they are all selling the same thing to the same persona. If yes, then combine all the campaigns into one adwords account, which feeds into one analytics account. That way they can get feedback on the effectiveness of different keywords, ads, etc. more quickly (because th...
Make sure you've setup advanced analytics. You'll get a better picture of which conversions were direct, and which ones were assisted by another channel. Use tags and make sure your urls include all the detailed parameters - note that savvy users might truncate that link, so use a link shortener ...
Unfortunately, there is no best way. It all varies by your goals, the funnel required to get people to the conversion and the value of each attribution. This type of modeling takes time to establish and generally will only come through experience of analyzing the data of visitors going through th...