How to fix '400 bad request error' in Safari on iPad?

When I try to open certain websites I get message 400 bad request

header or cookie too large



[Re-Titled by Moderator]

iPad, iPadOS 18

Posted on Mar 26, 2025 4:28 AM

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Posted on Mar 26, 2025 3:14 PM

You can try deleting cookies for the site(s) in question.


Check Settings -> Safari -> Advanced -> Website Data


Scroll to find the web site in question (or type in the search bar) and delete.

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How to fix '400 bad request error' in Safari on iPad?

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