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Spiders and redirects to disallowed directories

Are the disallowed pages indexed?

     
6:47 pm on Aug 19, 2005 (gmt 0)

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joined:May 27, 2005
posts:6
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If a spider follows a link to a page that redirects to a different page which is disallowed in robots.txt, what happens?

For example, lets say someone's site links to www.domain.com/hello.php :

www.domain.com/hello.php
--------------------------
<?php
header("location:http://www.domain.com/disallowed/index.html");
?>

robots.txt
----------
User-agent: *
Disallow: /disallowed

Will the spider index the page from the disallowed directory?

My guess is that it will index it because robots.txt will only keep it from requesting the page directly, and in this case it didn't request the page by name, but was instead presented with it "through" a different (allowed) link.

Does anyone have any experience with this who can answer for sure?

7:18 pm on Aug 19, 2005 (gmt 0)

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WebmasterWorld Senior Member jdmorgan is a WebmasterWorld Top Contributor of All Time 10+ Year Member

joined:Mar 31, 2002
posts:25430
votes: 0


The php redirect creates a new client request, so yes, the client will use the new URL, and robots.txt will apply.

However, many spiders such as Google, Yahoo, and Ask Jeeves/Teoma, will list a URL-only result in their SERPs if they "know about" the URL, but are disallowed by robots.txt from actually fetching the page. In Yahoo's case, they will use the link text they found with the link (if any) to create a listing.

A partial solution is to allow the page to be spidered, but include a <meta name="robots" content="noindex"> tag on the page. However, I've seen Google ignore this occasionally as well, and include a URL-only listing anyway.

Jim

 

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