Some SEO articles have suggested "You should never have more than one H1 tag on a page."
Can I use H1 tags more than once? Can I use an H1 tag in each section tag or article?
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Search engines most probably treat any
h1 element as 1st level heading, with no regard to HTML ideas about
section elements and friends. This generally means that the rest of the content is regarded as less relevant relatively (or, if you prefer a different wording, that the content of any
h1 element is regarded as relatively more important than the rest of the content).