New answers tagged http-code-400
First, you need to assess the URL's that google complains about. If the URL's contain a bunch of gibberish characters and doesn't seem to fit in with your site, then I'd leave them as 400 status and remove the affected URLs from any sitemaps you have submitted to google. Examples of qualifying URLs should include: http://example.com/%20%34%FA%C4aaa%FF/%F3 ...
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