You could try looking at the upvotes. If you see names like rocky1, buildawhale, booster, promobot etc. Then the post has been upvoted by bots.
You can view all the bots on this site: https://steembottracker.com/.
What you can do, which is even easier to do is to go to: https://steemwhales.com/clean-trending/
This site provides the percentage of upvotes from bots.
If you want to know which posts are actually earning the highest rewards. Go to: https://steemit.com/spam/@steem.organic/test
This post is updated every 15 minutes (possible thanks to HardFork 20).
Hope this helps.
I will check it out !
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