Good advice but the only games I play are the geography and words puzzles, like wordle, and globle and I don't sign in to those either. I avoid subscriptions online. I don't do any banking or password management, don't submit anything to any kind of cloud.
I do have several restrictions on my browser and an additional protection software package so I anticipate some sites not working, it's when sites that usually work just fine suddenly demand a sign in that I question what's going on. Especially since the problem goes away after a time with little to no effort other than waiting. Just seems odd, wondered if anyone else had this happen and, if so, what they did or found out about it. Wasn't expecting weird lecture series from some respondents... see above.
Thanks. 
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