HEAD requests

Is it relatively safe to block HEAD requests?

I’ve been having huge server spikes for months now, so that’s been the focus of my attention and one of the reasons I began using Cloudflare in the first place. I’ve gotten it a lot better, but about an hour ago I suddenly spiked to 54.46! Making all of my sites unresponsive for a few minutes.

Looking at the logs, I see several pings to a page that I already have rate limited in WAF. But I also see a lot of HEAD requests.

Can you think of any reason why something would be sending legit HEAD requests?

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