Closed Bug 1008868 Opened 7 years ago Closed 6 years ago sends desktop site to Firefox OS


(Web Compatibility :: Mobile, defect)

Gonk (Firefox OS)
Not set


(Not tracked)



(Reporter: hsteen, Unassigned)




(Whiteboard: [country-al][serversniff][contactready])


(1 file)

Attached image comparison screenshot
This site intends to send mobile browsers to a mobile site, but doesn't know that Firefox OS devices are smartphones. Hence the browser on Firefox OS phones get desktop content instead of mobile.

The HTTP traffic analysis below shows how the sniffing works:

Response sent to Firefox OS has Content-Length: 32631
Response sent to Firefox Android has Content-Length: 9838

Selected HTTP response headers (first response Firefox OS, second Firefox on Android):

Response for: 'Mozilla/5.0 (Mobile; rv:18.1) Gecko/18.1 Firefox/18.1'
Response Status: 200
content-length: 32631
content-type: text/html; charset=utf-8

Response for: 'Mozilla/5.0 (Android; Mobile; rv:26.0) Gecko/26.0 Firefox/26.0'
Response Status: 200
content-length: 9838
content-type: text/html; charset=utf-8
This bug is now fully analysed and anyone in the Mozilla community is welcome to reach out (politely! ;)) to 

You can use this letter template or tweet:

and also include this URL:
to give the site's webmaster a quick overview of the bug.

If you contact the site, please assign the bug to yourself and change "[contactready]" to "[sitewait]" in the box named "Whiteboard" (ask me if you can't change it).

Thank you!
The site is being closed.

> This is a sad time for all of us who worked so hard on this platform for these last five years, especially because of all of the great friendships we made with the members of the Sulia community.
Closed: 6 years ago
Resolution: --- → WONTFIX
Product: Tech Evangelism → Web Compatibility
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