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https://issues.apache.org/jira/browse/FLINK-9806?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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vinoyang reassigned FLINK-9806:
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Assignee: vinoyang
> Add a canonical link element to documentation HTML
> --------------------------------------------------
>
> Key: FLINK-9806
> URL: https://issues.apache.org/jira/browse/FLINK-9806
> Project: Flink
> Issue Type: Improvement
> Components: Documentation
> Affects Versions: 1.5.0
> Reporter: Patrick Lucas
> Assignee: vinoyang
> Priority: Major
>
> Flink has suffered for a while with non-optimal SEO for its documentation,
> meaning a web search for a topic covered in the documentation often produces
> results for many versions of Flink, even preferring older versions since
> those pages have been around for longer.
> Using a canonical link element (see references) may alleviate this by
> informing search engines about where to find the latest documentation (i.e.
> pages hosted under [https://ci.apache.org/projects/flink/flink-docs-master/).]
> I think this is at least worth experimenting with, and if it doesn't cause
> problems, even backporting it to the older release branches to eventually
> clean up the Flink docs' SEO and converge on advertising only the latest docs
> (unless a specific version is specified).
> References:
> * [https://moz.com/learn/seo/canonicalization]
> * [https://yoast.com/rel-canonical/]
> * [https://support.google.com/webmasters/answer/139066?hl=en]
> * [https://en.wikipedia.org/wiki/Canonical_link_element]
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