They open a page and then leave immediately. What's the best practice to fight it? Time 1-2 s, bounce rate = 100%

I googled several services, for example this one shows this IPs like spam, but they are fighting spam comments, not total IP blocking. https://cleantalk.org/blacklists/as29209

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    Search engines don't see bounces unless the user clicks through from search results and then clicks the back button to return to search results. Any reason to believe these bots are affecting your SEO? – Maximillian Laumeister Apr 19 '19 at 15:53
  • I have reason: which keywords they use - that ones go down in search engines. I'm sure they use some software. – Horhe Garcia Apr 19 '19 at 15:55
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    Are you specifically seeing visitors bounce from SERPs to your website then directly back to the same SERP? Those are the only type of bounces that search engines can see. – Maximillian Laumeister Apr 19 '19 at 16:07
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    Apologies if this is my inexperience showing, but I see no reason to believe that these are SERP -> website -> SERP bounces. Even if they are, they should not affect SEO. From my understanding of your question, it is impossible for bots to affect your SEO in any way whatsoever through bounce rate. – Maximillian Laumeister Apr 19 '19 at 16:28
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    It's correct to call them bots, I just don't understand how bounce rate could be affecting your search engine ranking at all. Maybe someone else will drop by and shed some more light on this. – Maximillian Laumeister Apr 19 '19 at 17:11