Nofollow
Nofollow Link Attribute
An HTML attribute (rel='nofollow') that tells search engines not to pass ranking credit through a hyperlink.
Detalhe técnico
Nofollow uses two mechanisms: robots.txt (file-level, prevents crawling but not indexing) and meta robots tags (page-level, controls indexing and link following). Common directives: 'noindex' (exclude from search), 'nofollow' (don't pass link equity), 'noarchive' (no cached copy). X-Robots-Tag HTTP headers provide the same controls for non-HTML resources (PDFs, images). A blocked page can still rank if other pages link to it — 'noindex' in meta tags is the only way to guarantee exclusion from search results.
Exemplo
```html <!-- Nofollow: implementation example --> <meta name="robots" content="index, follow"> <link rel="canonical" href="https://peasytools.com/page/"> ```
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