[wp-trac] [WordPress Trac] #33581: Use history.replaceState instead of 301 redirects for canonical urls

[WordPress Trac]

#33581: Use history.replaceState instead of 301 redirects for canonical urls
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 Reporter:  peterwilsoncc            |      Owner:
     Type:  enhancement              |     Status:  new
 Priority:  normal                   |  Milestone:  Awaiting Review
Component:  Canonical                |    Version:
 Severity:  normal                   |   Keywords:
  Focuses:  javascript, performance  |
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 Currently `redirect_canonical` uses a 301 redirect sending a user from an
 ugly permalink to a pretty one.

 Replacing with a JavaScript `history.replaceState` call will reduce time-
 to-content and lower the server load. The canonical meta tag will keep the
 ugly URLs out of the big three search engines.

 Canonical URLs and paginated posts.

 I'd like some SEO feedback on whether search engines respect the canonical
 meta tag pointing all pages of a paginated posts to the first page of the
 post. Google's documentation is that it takes the meta tag as a hint
 rather than a direction.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33581>
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