Different font-weight overall on wikipedia.org compared to Chrome
Categories
(Web Compatibility :: Site Reports, defect, P3)
Tracking
(Not tracked)
People
(Reporter: rbucata, Unassigned)
References
(Depends on 1 open bug, )
Details
(Keywords: webcompat:platform-bug)
User Story
platform:windows,mac,linux impact:minor-visual configuration:general affects:all
Attachments
(1 file)
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8.65 MB,
video/mp4
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Details |
Environment:
Operating System: Windows 10 PRO x64
Firefox version: Firefox Nightly 125.0a1 (2024-03-06)
Preconditions:
Clean profile
Steps to reproduce:
- Navigate to: https://en.wikipedia.org/wiki/Main_Page
- Observe the text on the page.
Expected Behavior:
A thinner font is displayed on the page
Actual Behavior:
The font displayed is bolder
Notes:
- Reproducible regardless of the status of ETP
- Reproducible on the latest build of Firefox Nightly and Release
- Works as expected using Chrome
- Screenrec attached
- Issue found during WebCompat team [Top100] websites testing
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Reporter | |
Updated•3 months ago
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Reporter | |
Updated•3 months ago
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Comment 1•3 months ago
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It looks to me like the Chrome and Firefox renderings are using the same font, but the rasterization settings/mode are slightly different -- the Firefox rendering seems generally more saturated, like maybe it's using different gamma or ClearType modes.
It's possible the GDI-compatibility setting for legacy fonts is coming into play here; if you set the gfx.font_rendering.cleartype_params.force_gdi_classic_max_size pref to zero, does that have any effect?
Does the Chrome rendering vary according to the system font rasterization as configured with the ClearType Tuner, or is it ignoring that and using its own settings? Firefox should attempt to respect the system settings, so if Chrome doesn't (or handles them differently), that could explain a difference.
(cc: Lee for rasterization issues.)
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Updated•3 months ago
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Updated•10 days ago
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Description
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