: Can a user or a crawler see the source of a page that has been redirected via a 301? Is it possible for a user or a web-crawler to see the contents/source code of a webdocument that is

Posted in: #301Redirect #Redirects #Seo #WebCrawlers

Is it possible for a user or a web-crawler to see the contents/source code of a webdocument that is automatically redirected to another page via a 301 redirect?

If it is possible? How could a user see the contents of a webdocument?

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@Shakeerah822

It's theoretically possible, but no current and common web crawlers and browsers take advantage of this, and neither do most servers.

A 301 response does have a HTTP body (i.e. a document), but it's only ever used by clients that don't support or ignore redirects. Browsers and search engine crawlers do support redirects and will completely ignore the body sent by the server.

Using a telnet client, you can see the raw response from the server:

$ telnet google.com 80
Trying 216.58.211.142...
Connected to google.com.
Escape character is '^]'.
GET / HTTP/1.1
Host: google.com

HTTP/1.1 302 Found
Cache-Control: private
Content-Type: text/html; charset=UTF-8
Referrer-Policy: no-referrer
Location: www.google.fi/?gfe_rd=cr&ei=19l5WYzCMMqq8wfX84ngBA Content-Length: 258
Date: Thu, 27 Jul 2017 12:17:27 GMT

<HTML><HEAD><meta http-equiv="content-type" content="text/html;charset=utf-8">
<TITLE>302 Moved</TITLE></HEAD><BODY>
<H1>302 Moved</H1>
The document has moved
<A HREF="http://www.google.fi/?gfe_rd=cr&ei=19l5WYzCMMqq8wfX84ngBA">here</A>.
</BODY></HTML>

Another "issue" is that the server usually sends a completely different document than the original page. E.g. the above is not the homepage of google.com/ but a page that is automatically generated by the server.

Theoretically, you could make your server send the old page in the redirects and build a web-crawler that would look at the HTTP body in redirects. But why would you?, it seems pointless.

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: Can a user or a crawler see the source of a page that has been redirected via a 301? Is it possible for a user or a web-crawler to see the contents/source code of a webdocument that is

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