How Redirecting URLs Can Impact SEO

Google has printed an up to date doc which fits over six several types of URL redirects and their results on search outcomes.

Google’s Gary Illyes and Lizzi Harvey labored collectively so as to add eight pages of content material to an current assist web page on 301 redirects.

At solely 5 paragraphs in size, the earlier model of Google’s assist information was scant on particulars.

So Google did what it’s at all times telling web site homeowners to do, which is replace the previous content material to supply a extra full resolution to searcher’s queries.

Now the information has data on every kind of redirect, examples of what they seem like, and particulars on they impression Google Search.


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Here’s a abstract of the newly added data.

Types of Redirects & Impact on Google Search

The distinction between redirects is undetectable to guests, however Google treats them otherwise by way of the energy of alerts despatched to the goal URL.

Redirects fall into considered one of two classes — momentary or everlasting.

Google makes use of a everlasting redirect as a sturdy sign that the goal URL needs to be the one proven in search outcomes.

Conversely, Google makes use of a momentary redirect as a weak sign that the redirect goal needs to be the URL proven in search outcomes.

Complete particulars on the next six varieties of redirects have been added to Google’s assist web page:


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  • Permanent server aspect redirects: The greatest method to change the URL proven for a web page in search outcomes. Google recommends utilizing this kind each time attainable. The 301 and 308 standing codes imply {that a} web page has completely moved to a brand new location.
  • Temporary server aspect redirects: Temporarily sends guests to a brand new web page whereas guaranteeing Google retains the previous URL in its outcomes for an extended time.
  • Instant meta refresh redirect: Google Search interprets on the spot meta refresh redirects as everlasting redirects.
  • Delayed meta refresh redirect: Google Search interprets delayed meta refresh redirects as momentary redirects.
  • JavaScript location redirects: Google Search interprets and executes JavaScript utilizing the Web Rendering Service as soon as crawling of the URL has accomplished.
  • Crypto redirects: This includes including a hyperlink pointing to a brand new web page accompanied by a brief rationalization. This helps customers discover your new web page and Google might perceive this as a crypto redirect.

Additional Notes

There’s so much to undergo in Google’s new information. Here are some closing factors about redirects primarily based on the corporate’s suggestions.

Choosing a redirect is determined by how lengthy you count on the redirect can be in place and what web page you need Google Search to point out in search outcomes.

If there’s any likelihood you’ll desire a explicit URL proven in search outcomes once more, then don’t completely redirect it to a different one.

Always go for server aspect redirects each time attainable. Use JavaScript redirects provided that you possibly can’t do server aspect or meta refresh redirects.

Don’t depend on crypto redirects for letting engines like google know that your content material has moved except you don’t have any different selection.

For extra, see Google’s full doc.

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