#introductions
quotingTo answer that question you must discover to what relays your updated metadata event was published, so the starting point of the investigation would be the client that you used to change it.
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Then you must check the Wikifreedia source code to discover how and where it is fetching metadata from.
Using https://github.com/fiatjaf/nak to query purplepag.es and relay.nostr.band, for example, to see what metadata event they have, could give you some insight on what is going on.
Good luck!