Brave blocks a non-ad iframe

Description of the issue:
The web version of the playwright trace viewer is blocked when served in a iframe, but works nicely in a classical context or in other browsers.

Similar to Brave blocks certain iframes that are not ads

Exact URL of the website in question:
Caution: it also happens on the version packed with any HTML report produced by Playwright. (example here:

Screenshot of the ad as it appears in Brave:
Iframe is completely black

Did the issue present with default Shields settings? (yes/no):

Does the site function as expected when Shields are turned off?:

Does the ad appear when using a Private window as well? (yes/no)
No (it is still blocked)

What OS are you using when you see the ad?
Windows 11

Brave version (check About Brave):

Not related to that thread. btw

What issue exactly? Just loaded the site…

You may have misunderstood the issue : it doesn’t load only when embedded in an iframe.
The other issue seems pretty related to me

You can try it here, and switch the shield on & off to see the difference.

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