Robots.txt file question? NEver seen this command before
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Hey Everyone!
Perhaps someone can help me. I came across this command in the robots.txt file of our Canadian corporate domain. I looked around online but can't seem to find a definitive answer (slightly relevant).
the command line is as follows:
Disallow: /*?*I'm guessing this might have something to do with blocking php string searches on the site?. It might also have something to do with blocking sub-domains, but the "?" mark puzzles me
Any help would be greatly appreciated!
Thanks, Rob
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I don't think this is correct.
? is an attempt at using a RegEx in Robots file which I don't think works.
Further, if it was a properly formed regex, it would be ?
- is a special character for the user agent to mean all. For the disallow line, I believe you have to use a specific directory or page.
http://www.robotstxt.org/robotstxt.html
I could be wrong, but the info on this site has been my understanding from the past too.
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It depends on how your site is structured.
For example if you have a page at
http://www.yourdomain.com/products.php
and this shows different things based on the parameter, like:
http://www.yourdomain.com/products.php?type=widgets
You will want to get rid of this line in your robots.txt
However if the parameter(s) doesn't change the content on the page, you can leave it in.
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Thanks Ryan and Ryan! I'm just unfamiliar with this command set in the robots file, and getting settled into the company (5 weeks).. so I am still learning the site's structure and arch. With it all being new to me with limitations I am seeing from the CMS side, I was wondering if this might have been causing crawl issues for Bing and or Yahoo... I'm trying to gauge where we might be experiencing problems with the sites crawl functions.
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Its not a bad idea in the robots.txt, but unless you are 100% confidant that you wont block something that you really want, i would consider just handling unwanted parameters and pages through the new Google Webmaster url handling toolset. that way you have more control over which ones do and dont get blocked.
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So, for this parameter, should I keep it in the robots file?
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Its preventing spiders from crawling pages with parameters in the URL. For example when you search on google you'll see a URL like so:
http://www.google.com/search?q=seo
This passes the parameter of q with a value of 'seo' to the page at google.com for it to work its magic with. This is almost definitely a good thing, unless the only way to access some content on your site is via URL parameters.
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