Question after W3 validation for


I've a question about the W3 validate tool result of a specific website
maken page. The W3 validation check is regarding this;

I did the check and it says:
Warning: The first occurrence of ID ui-id-30 was here.

My question is. What does this technically mean and how to fix this?
Do i need remove this ID in my code of this website maken page?

Really hope you could help me out with this.
Thank you very much in advance,

Best regards,


Received on Saturday, 21 July 2018 14:04:40 UTC