: What percent of visitors should click on the next page before you enable prefetching? Mozilla Firefox and Google Chrome support prefetching via an HTML tag:  <link rel="prerender"

Mozilla Firefox and Google Chrome support prefetching via an HTML tag:


<link rel="prerender" href="http://example.org/index.html">

I suppose it is always worthwhile to include this tag if 100% of users on a page click on the "Next Page" button or similar, and never worthwhile to include it if only 2% or 3% of users visit the following page. At what percent of clicks should you turn on prefetching of the next page? 65%? Also, does the calculus change if the current page is HTTP and the next page is HTTPS?

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: 302 Found is the HTTP status code most commonly used for temporary URL redirection. The 302 status code was defined in the HTTP/1.0 spec (RFC 1945) as Moved Temporarily. Due to a conflict

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@Heady270

As usual, it depends.

How much extra load are you willing to take on your web servers?
Could they handle an additional hit for every load of the first page?
Do you pay for bandwidth, would your current bucket support doubling the calls?

if the answer to all of the above is "We have the technology!" then why not provide your users a better experience by pre-fetching?

To specifically address the question about HTTPs see the existing Cost of using SSL here on webmasters.

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: What percent of visitors should click on the next page before you enable prefetching? Mozilla Firefox and Google Chrome support prefetching via an HTML tag:  <link rel="prerender"

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: 302 Found is the HTTP status code most commonly used for temporary URL redirection. The 302 status code was defined in the HTTP/1.0 spec (RFC 1945) as Moved Temporarily. Due to a conflict

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