Best practices for robotx.txt -- allow one page but not the others?
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So, we have a page, like domain.com/searchhere, but results are being crawled (and shouldn't be), results look like domain.com/searchhere?query1. If I block /searchhere? will it block users from crawling the single page /searchere (because I still want that page to be indexed).
What is the recommended best practice for this?
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SEOmoz used to use Google Search for the site. I am confident Google has a solid method for keeping their own results clean.
It appears SEOmoz recently changed their search widget. If you examine the URL you shared, notice none of the search results actually appear in the HTML of the page. For example, load the view-source URL and perform a find (CTRL+F) for "testing" which is the subject of the search. There are no results. Since the results are not in the page's HTML, they would not get indexed.
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If Google is viewing the search result pages as soft 404s, then yes, adding the noindex tag should resolve the problem.
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And, because google can currently crawl these search result pages, there are a number of soft 404 pages popping up. Would adding a noindex tag to these pages fix the issue?
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Thanks for the links and help.
How does seomoz keep search results from being indexed? They don't block search results with robots.txt and it doesn't appear that they add the noindex tag to the search result pages.(ex: view-source:http://www.seomoz.org/pages/search_results#stq=testing&stp=1)
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Yeah, but Ryan's answer is the best one if you can go that route.
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Hi Michelle,
The concept of crawl efficiency is highly misunderstood. Are all your site's pages being indexed? Is new content or changes indexed in a timely manner? If so, that would indicate your site is being crawled efficiently.
Regarding the link you shared, you are on the right track but need to dig a bit deeper. On the page you shared, find the discussion related to robots.txt. There is a link which will lead you to the following page:
https://developers.google.com/webmasters/control-crawl-index/docs/faq#h01
There you will find a more detailed explanation along with several examples of when not to use robots.txt.
robots.txt: Use it if crawling of your content is causing issues on your server. For example, you may want to disallow crawling of infinite calendar scripts. You should not use the robots.txt to block private content (use server-side authentication instead), or handle canonicalization (see our Help Center). If you must be certain that a URL is not indexed, use the robots meta tag or X-Robots-Tag HTTP header instead.
SEOmoz offers a great guide on this topic as well: http://www.seomoz.org/learn-seo/robotstxt
If you desire to go beyond the basic Google and SEOmoz explanation and learn more about this topic, my favorite article related to robots.txt, written by Lindsay, can be found here: http://www.seomoz.org/blog/serious-robotstxt-misuse-high-impact-solutions
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Hi Ryan,
Wouldn't that cause issues with crawl efficiency?
Also, webmaster guidelines say "Use robots.txt to prevent crawling of search results pages or other auto-generated pages that don't add much value for users coming from search engines."
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Thank you. Are you sure about that?
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what about if you use "<a title="Click for Help!">Canonical URL" tag ?</a>
You can put this code:
in/searchhere?page. -
The best practice would be to add the noindex tag to the search result pages but not the /searchhere page.
Typically speaking, the best robots.txt file is a blank one. The file should only be used as a last resort with respect to blocking content.
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What you outlined sounds to me like it should work. Disallowing /searchhere? shouldn't disallow the top-level search page at /searchhere, but should disallow all the search result pages with queries after the ?.
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