Should I set a 404 page if the website cannot access temporarily?
Authoritative answers to Baidu Webmaster Platform:If the website is only temporarily unavailable, it is best to set a 503 page instead of a 404 page.
Related SEO Explanation of terms:
404:404 It is the status code generated after deleting the web page. Although the web page cannot be opened, the link still exists. They are very bad for both user experience and website health, and it is usually best to set up a 301 redirect.
404page:Page not found. When a web page has been deleted but the link to it remains, they are not conducive to user experience and website health, and it is usually best to set up a 301 redirect.
Page permissions:Page permissions ( Page Authority), Domain name management organization measures website SERP performance in, and its competitiveness compared to other sites in the niche. Page authority measures individual pages the same criteria. This is where the internal linking strategy comes into play, as it will be more important and higher with more than one page linked to the hierarchy PA。

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