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[Bug] Wikitech loads as mobile site on desktop in Chrome private browsing mode
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Description

Steps to reproduce:

Expected results

The desktop version of the site should load.

Actual results

The mobile version of the site loads. The developer toolbar claims I have no cookies (as expected in incognito mode).

Environments observed

  • Chrome 65.0.3325.146, 64 bit, Ubuntu 16.04
  • Chrome 65.0.3325.162, 64 bit, MacOS 10.13.3

Event Timeline

Jdrewniak renamed this task from Mobile detection broken on wikitech to [Bug] Wikitech loads as mobile site on desktop in Chrome private browsing mode.Mar 22 2018, 10:41 AM
Jdrewniak triaged this task as Medium priority.
Jdrewniak added a project: Readers-Web-Backlog.
Jdrewniak updated the task description. (Show Details)
Jdlrobson added a subscriber: Jdlrobson.

wikitech doesn't use a "m." domain so this is likely to be on the Varnish layer. This also happens for http://wikitech.wikimedia.org/
I see a 307 and then a 301. Is there any reason wikitech doesn't have an m domain?

Is there any reason wikitech doesn't have an m domain?

Maybe the need for a double wildcard in the SSL cert?

This behavior does seem new since we moved wikitech behind the misc varnish cluster.