[openstreetmap/openstreetmap-website] No brand:wikidata description when the app doesn't know what language to use (Issue #7075)

Fri May 8 17:31:19 UTC 2026

pablobm created an issue (openstreetmap/openstreetmap-website#7075)

### URL

https://www.openstreetmap.org/node/12771999286

### How to reproduce the issue?

I'm seeing an issue in elements with a `brand:wikidata`, on Firefox, when *not logged in*.

In this case, Firefox is not sending an `Accept-Language` header. Since it doesn't have anything else to go with, it doesn't set a `data-preferred-languages` in the `<head>` element. Later on, when we request wikidata info, we don't know what language `description` to choose, end up not choosing anything. As a result, we get things like this:

<img width="407" height="147" alt="Image" src="https://github.com/user-attachments/assets/405c4a6a-d2b2-45f1-a16c-60ea1995f085" />

When in other browsers, in similar circumstances, the description is available:

<img width="395" height="148" alt="Image" src="https://github.com/user-attachments/assets/d915bd5b-cb53-482c-9f28-e8e0096894d8" />

### Screenshot(s) or anything else?

_No response_

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