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Daniel Atonge4,769 Points
Are all the elements in HTML not case sensitive?
I know html to be a language which is not case sensitive. But usually to many rules there are exceptions.
Sue Dough35,800 Points
HTML is not case sensitive. Its best practice to use lower case though. There is a few weird exceptions. You can read more here https://stackoverflow.com/questions/4351857/is-html-case-sensitive .