Unable to reproduce the issue on Win-10, ubuntu 14.04 and mac 10.12.6 using chrome reported version #62.0.3202.94 and latest canary #64.0.3278.0.

Attached a screenshot for reference.

Following are the steps followed to reproduce the issue.
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1. Navigated to URL: https://www.berioo.de/saftkur
2. Scrolled down Headline "ENTSCHEIDE SELBST, WIE LANGE DU DEINE SAFTKUR MACHEN MÖCHTEST".
3. Observed correct display of special character Ö, with no overlap as expected.

Reporter@ - Could you please check the issue on latest canary #64.0.3278.0 by creating a new profile without any apps and extensions and please let us know if the issue still persist or not.

Thanks...!!

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Installed latest canary #64.0.3278.0. Created a new profile and disabled all extensions including google apps. Tried incognito and regular mode. 

Attached a screenshot for reference.

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Thank you for providing more feedback. Adding requester "krajshree@chromium.org" to the cc list and removing "Needs-Feedback" label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Unable to reproduce the issue on the reported chrome version 62.0.3202.94 using windows 10, Ubuntu 14.04 and Mac 10.13.1, hence requesting some one from UI>Browser team to have a look into it.

hesse.johnny@ - Could you please upgrade chrome to latest stable #66.0.3359.181 and please let us know if the issue still persists or not.

Thanks...!!

I just updated to the lastest Version and the issue still persists. 

Thank you for providing more feedback. Adding the requester to the cc list.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

As per comments #1,4,5 issue is not reproducible from TE team end.Hence adding TE-NeedsTriage Help label.Tentatively adding Blink>Font as this may be rooted to some specific system font. Could someone from respective team help in debugging this. 

reporter@: Could you please attach the screenshot of chrome://settings/fonts as well.

Thanks!

Reproduces on vanilla Windows 10 in both the stable and canary versions of Chrome. Definitively a bug in Chrome (or our underlying font stack). Thanks for the report!

It appears to be a problem with the metrics for upper-case Ö in the custom Quicksand font.
Does not reproduce on Firefox or Edge on Windows or Chrome on any other platform.

Ö is character code 214 which maps to glyph 160 in Quicksand-Bold.

Glyph 160 is named "Odieresis" and has an advance width of 722 which is about 140
less than the other upper case variations of O (such as O, Otilde, and Oacute)
which all have an advance width of 850.

Unlike most other characters in the font it does not have a path defined,
instead relying on composition to form the glyph.

While we correctly compose the glyph from the individual parts it appears that
we dont' get the width right.

The hmtx has an entry for Odieresis with the "correct" width of 850.

@phanindra.mandapaka@chromium.org: There you go, screenshot of font settings.

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Additional note: The spacing problem is also present with the letter " Ç " (HTML: Ç - Unicode: U+00C7 (199))