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Title tag
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Meta description tag
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Heading (H1-H6) tags
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Image alt text
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Schema markup
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HTML5 semantic tags
- article
- section
- aside
- header
- footer
- nav
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Meta robots tag
- noindex — page should not be indexed
- nofollow — links on the page should not be followed
- follow — links on the page should be followed, even if the page is not to be indexed
- noimageindex — images on the page should not be indexed
- noarchive — search results should not show a cached version of the page
- unavailable_after — page should not be indexed beyond a certain date.
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Canonical tag
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