HTTP Status Codes
Understanding HTTP status codes is essential for diagnosing why an RSS feed suddenly stops updating on social media. This tag covers what codes like 200, 301, 304, 403, 404, 429, and 500 actually mean when an auto-posting tool fetches your feed, how caching headers like ETag interact with them, and practical steps for diagnosing and fixing the ones that silently break automation. Start here if your auto-posting has stopped working and you're not sure why.
Updated: 2026-09-13
When an RSS feed stops updating on a social account, the actual cause is almost always sitting in an HTTP response header that ...
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