HTML structure 100% still matters for accessibility. Accessibility is not a direct ranking factor, though, so it’s a bit outside the scope of this article.

Gary Illyes from Google said that the HTML structure for your web pages does not matter much for rankings. He said this on the latest Search Off The Record podcast, saying, "I know that some ...

Thus, if the site uses invalid HTML markup (e.g. multiple H1 tags, or one and the same headings on each page), the worst what must happen is that Google will just disregard the overall structure ...

H1 – H6 elements “briefly describe the topic of the section they introduce“.They form a page HTML semantic structure that can “be used by user agents, for example, to construct a table of ...

An HTML structure for creating rows and columns on a Web page. The Table tag defines the overall table and the Table Row (TR) tag is used to build each row. The Table Data (TD) tag defines the ...