Web redirection not updated

[Popolechien]

Following roll out of our new website I've updated support.kiwix.org to point at https://kiwix.org/en/get-involved/#donate but the redirect keeps leading users to kiwix.org/support (and a 404 page).

Update was made more than 24 hours ago.

[kelson42]

@Popolechien https://stackoverflow.com/questions/9130422/how-long-do-browsers-cache-http-301s. This is probably what happens here, without purging your cache, there is no way to solve this PR IMO.