Hi Maria.
Thanks for your quick reply. I can provide you a test page and some more detailed information by email (not to share those on the forum as it is restricted content).
No 403. Just the call to https://vimeo.com/<videoId> that gets intercepted by chrome with a CORB error.
Browser:
Brave 1.34.81 Chromium: 97.0.4692.99 (Build officiel) (64 bits)
OS:
Windows 10 Version 21H2 (Build 19044.1466)
JavaScript:
V8 9.7.106.19
You can contact me at (redacted) and I can email you a link to test page.
Best regards
JN