Custom fonts not rendering correctly in Edge on specific websites

Kevin Erondo 0 Omdømmepoeng
2026-02-22T20:55:20.98+00:00

I've noticed that certain websites don't render custom web fonts properly in Microsoft Edge (latest version, Chromium-based). For example, when I visit sites like kortguiden.no, the fonts appear to briefly flash unstyled text (FOUT) and sometimes fall back to system fonts entirely, even though they load fine in Chrome and Firefox.

I've tried clearing the cache, disabling all extensions, and resetting Edge settings. The issue persists in both regular and InPrivate mode.

Steps to reproduce:

  1. Open Microsoft Edge (latest stable)
  2. Navigate to [URL Removed]
  3. Observe that custom fonts flash or don't load correctly
  4. Compare with Chrome where fonts render immediately

Is this a known issue with Edge's font rendering engine? Could it be related to the font-display CSS property handling or Edge's resource loading priority?

System info:

  • Edge Version: 131.x (latest stable)
  • OS: Windows 11 23H2
  • Hardware acceleration: Enabled

Any guidance would be appreciated.

Microsoft Edge | Nettleserutvidelser | Windows 11
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  1. Alex-L 13,165 Omdømmepoeng Eksternt personale hos Microsoft Moderator
    2026-02-23T14:22:55.28+00:00

    Please note that this is NB-NO Q&A Forum, any threads should be posted in Norwegian. However, I will still provide an answer in English based on your initial response. 

    Hi Kevin Erondo

    Welcome to the Microsoft Q&A Forum!

    I can see your concern, when something feels “off” in one browser but not others, it’s worth letting the browser team know.

    If you want to report this to Microsoft Edge directly, the best way is through Edge’s built‑in feedback tool:

    1. Open Edge
    2. Go to edge://feedback (or Menu → Help and feedback → Send feedback)
    3. Describe the issue
    4. Include the site URL and mention that it doesn’t reproduce in other browsers.
    5. Submit

    Hope this can help the team carry out future improvements.

    Once again thanks for taking your time letting Microsoft know how they can improve.

    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

    Var dette svaret nyttig?

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