using ids is way more performant for css rendering not that it will make much difference when compared to other optimiztions but if you using web components where ids don't leak out of the shadow dom it doesn't make much since to use class for single use since that class can't be used anywhere else.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
using ids is way more performant for css rendering not that it will make much difference when compared to other optimiztions but if you using web components where ids don't leak out of the shadow dom it doesn't make much since to use class for single use since that class can't be used anywhere else.