Hey Emilia,
We have been experiencing the same issue as you. At the end of February, we started seeing extremely high numbers of clicks on our emails, including 1,000+ clicks on links to our social media pages which is not common for us. As you mentioned, we are seeing activity history of Email Delivered and 3 link clicks all at the same time. Marketo Support also shared information with us about scanner bots and suggested that was likely the cause.
We are still experiencing this issue with all of our emails and are working on an alternative solution for reporting. From what I've seen in other posts in the Community, others have tried the pulling Smart Lists using filters of "Clicks Link in Email" AND "Visited Web Page". While this number is not 100% accurate, it does appear to be closer to what our click rates were prior to the inflation.
We are still testing this method out but I thought I'd at least share with you our experience as well. If there is any update or if you've found a better solution, please share!
Thanks!
Caroline
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