> According to Google, it’s possible to verify Googlebot by matching the crawler’s IP against a list of published Googlebot IPs. This is rather technical and highly intensive
Wat. Blocklisting IPs is not very technical (for someone running a website that knows + cares about crawling) and is definitely not intensive. Fetch IP list, add to blocklist. Repeat daily with cronjob.
Would take an LLM (heh) 10 seconds to write you the necessary script.