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Issue 684515 link

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Issue metadata

Status: Assigned
Merged: issue 676901
Owner:
Cc:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug



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Chrome does not show correct favicon for certain sites (hidpi windows only?)

Reported by billdill...@gmail.com, Jan 24 2017

Issue description

UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36

Steps to reproduce the problem:
go to http://arstechnica.com/ in Edge, Firefox and Chrome. In Chrome, the favicon in the tab is different and I think incorrect, unless Edge and Firefox are the ones showing it incorrectly. in Chrome, the "ars" is significantly smaller. I'm certain this is not only an issue with arstechnica.com, it must be an issue with certain types of favicons. I've attached a screenshot. Maybe someone can ask the folks at arstechnica which is the intended favicon?

I'm using a hidpi Windows 10 machine at 200% scaling

What is the expected behavior?

What went wrong?
see above

Did this work before? N/A 

Chrome version: 55.0.2883.87  Channel: stable
OS Version: 10.0
Flash Version: Shockwave Flash 24.0 r0
 
arsfavicon.png
24.9 KB View Download
Labels: Needs-Triage-M55
Components: -UI UI>HighDPI
Mergedinto: 676901
Status: Duplicate (was: Unconfirmed)
This issue looks similar to  bug 676901 , Hence merging in to it. Feel free to undupe if it's a different issue.

Thanks!
It's not low res or fuzzy/blurry though, please undupe.
I think the quickest, best and easiest way of investigating this is asking Ars Technica which browser is showing the favicon they intended: Chrome or Edge/Firefox?

Comment 4 by bsep@chromium.org, Jan 25 2017

Status: Unconfirmed (was: Duplicate)
Yeah this isn't a dupe. It depends on what Ars Technica's site code says but just looking at it I'd expect the icon Edge uses.
I'm wondering if maybe this is only an issue on hidpi windows machines, can someone that has access to a normal non-hidpi screen see if Chrome is still showing a different favicon compared to Edge and Firefox?
I would email Ars Technica with a link to this bug and ask them which browser is showing the correct favicon but I don't know if that's my place, I don't work for Google. Could someone fire off a quick email to them?
I got access to a low/normal dpi Windows 7 desktop and there's still a difference, so this is not a hidpi issue, and I would be surprised if this is an isolated issue with Ars Technica, I'm sure many sites that Chrome is not showing the correct favicon for
arslowreswindows7.png
13.1 KB View Download
Someone should take a look at this, there's no way this would be a big time consuming issue to fix, and I'm sure Ars Technica isn't the only website that is showing the wrong favicon in Chrome. 

Comment 9 by osh...@chromium.org, Oct 23 2017

Cc: komoroske@chromium.org dominicc@chromium.org
Components: -UI>HighDPI Blink>HTML
Status: Untriaged (was: Unconfirmed)
Looks like the sites provide multiple favicons, and chrome and FF/Edge seem to be using different one.

Chrome seems to be using this
  <link rel="icon" type="image/x-icon" href="https://cdn.arstechnica.net/favicon.ico" />

while this one seems to be used by FF and Edge

  <link rel="icon" sizes="192x192" href="https://cdn.arstechnica.net/wp-content/themes/ars/assets/img/material-ars-db41652381.png" />

I'm not familiar with the standard. Adding OWP folks who may have an idea.

Comment 10 by kochi@chromium.org, Oct 24 2017

Cc: -dominicc@chromium.org kochi@chromium.org
Components: -Blink>HTML
Owner: pkotw...@chromium.org
Status: Assigned (was: Untriaged)
Peter, do you have any idea who is the best to assign this?
There is no standard for which icon should be picked.

The spec https://www.w3.org/TR/html5/links.html has this to say about the sizes attribute:

"The sizes attribute gives the sizes of icons for visual media. Its value, if present, is merely advisory. User agents may use the value to decide which icon(s) to use if multiple icons are available."

It looks like Chrome selects the best match for the size that the icon is displayed (https://cdn.arstechnica.net/favicon.ico) and that Firefox and Edge pick a large icon and scale it down. My opinion is that Chrome's behavior is superior
Shouldn’t someone just ask Ars Technica? I’m sure their designers intended for 1 over the other 

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