Earlier quoted context omitted.
> Recently I also got "rate limited" after opening about three web pages. People who haven’t used it logged out recently may be surprised to find that they have, for some time, made the site effectively unusable without an account. Doing one search and clicking a couple results gets you temporarily blocked. It’s effectively an account-required website now.
Just opened a private window to try this, I did one search and clicked on four results, then a second search and got a 429 error. That is wild. I guess it's an anti-scraper measure?
I can't find it now, but sometime in the past week or so I saw something that (IIRC) related to the BBC (?) blocking a ton of badly-behaved obvious scraper traffic that was using Meta (?) user-agents but wasn't coming from the ASNs that Meta uses. The graphs looked like this ended up reducing their sustained traffic load by about 80%.
Items where I'm doubting my recall (since I didn't find anything relevant doing some quick searches) are marked with (?)