You fix a typo in a published post, reload, and it's fixed. Then someone replies with a screenshot of the old version. Something between the host and that reader is serving a stored copy.

Source: [Dev.to](https://dev.to/usamaejaz/edited-a-blog-post-but-readers-still-see-the-old-version-how-to-find-the-cache-holding-it-1285)

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