WCAG Parsing bookmarklet test page

WCAG 2.x 4.1.1 Parsing: In content implemented using markup languages, elements have complete start and end tags, elements are nested according to their specifications, elements do not contain duplicate attributes, and any IDs are unique, except where the specifications allow these features. (Level A)

Note: Start and end tags that are missing a critical character in their formation, such as a closing angle bracket or a mismatched attribute value quotation mark are not complete.

misnested elements

misnested i and b elements

duplicate id's

element 1 with id=poot

element 2 with id=poot

attrubutes without spaces

mismatched start and end tags div/h2

malformed attribute

unquoted class=blah=

missing strong end tag

link with a child element that has a tabindex="0"