See a page's H1–H6 outline as a tree and catch missing H1s, skipped levels and empty headings.
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Headings are the outline of a page. A clear H1 that states the topic, followed by H2 sections and H3 sub-points, helps readers scan, helps screen readers navigate and helps search engines and AI understand the structure.
Nuqti maps every H1–H6 as an indented tree, counts each level and flags common problems: no H1, several H1s, jumps like H2 → H4, empty headings and headings that are too long.
HTML allows it and Google copes, but one clear H1 is still the cleanest structure.
They should share the main topic and keyword, but they don't have to be identical.
Jumping from H2 to H4 confuses screen readers and the outline. Use levels in order.
They help Google understand the page sections and can be shown as jump links and featured snippets.
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