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Annotations

Annotations are signals that can be sent to search engines for them to better understand the structure of a website and how it relates to other pages or files across the internet. Annotations are hints that give an information but not a directive. As such, annotations are not always respected, especially when they are in contraction with other signals.

<link> Element rel Attribute

The rel attribute of a HTML <link> element establishes a relationship between two URLs. It can be used to specifying the authoritative version of a page, indicating an alternate version for a different device, language or region, etc.

Learn more about the <link> element rel attribute


rel="nofollow"

rel="nofollow" tags are used to prevent the flow of equity across certain links. It can help prioritize how bots crawl a site and should be use to separate paid links from the organic search landscape.

Learn more about rel="nofollow"


Content Language Tags

Certain search engines, such as Bing, do not support the rel="alternate" hreflang="x" annotations. There are three methods that can be used to help these search engines determine which language is being targeted.

Learn more about content language tags