Markup
The style block of this page is shortened in the copy. DOMParser builds the tree without running scripts or fetching anything, so the checks see what a crawler that does not run JavaScript sees.
Everything in a head, listed and checked. It starts with this page's own head; load the sample with mistakes, or paste any head.
The style block of this page is shortened in the copy. DOMParser builds the tree without running scripts or fetching anything, so the checks see what a crawler that does not run JavaScript sees.