but need be on yotube site, if u add this on this site or other it no be work
Okay, I understant, I’ll try 
oke, just do it more carefully, otherwise something else will happen suddenly 
Okay thanks for the information ahaha
Default setting for Fingerprint protection is Standard because Strict protection may break sites. So, weird line on YouTube is expected.
For fingerprint protection in general, please see responses from @pes here > Fingerprinting: How do we know it's actually working
Okay ! I see that Thanks you ^^