3

On this question at biology - meta, I found the following link:

http://p.migdal.pl/tagoverflow/?site=biology&size=32, noted as TagOvwrflow.

The site shows the following dialog box.

Screenshot

I could not understand; if I see 64 or more tags at a time; why will the site block me?

12

If you make too many requests to the SE servers in a very short time, you will be temporarily blocked. This is just a defense mechanism, and it applies to all users, even moderators and employees.

I suspect that this tool simply didn't implement any rate-limiting, and 64 might be too many requests if they're not throttled.

  • Indeed, SO indicates with the backoff field that you should sleep for a while before the next request. If you don't listen, you will be blocked (at least for a small time). – Patrick Hofman Jan 10 '17 at 11:34
  • that means this is for avoid a slow-down or hang of network? – Always Confused Jan 10 '17 at 11:36
  • 1
    Yes, to prevent a single app to pull down the entire API (which the site and the mobile apps depend on too). – Patrick Hofman Jan 10 '17 at 11:59

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