How to disable and remove subdomain.domain.com
being crawled and listed to alexa and other crawlers ? Specially the cpanel.domain.com
and webmail.domain.com
that listed into my alexa information page and annoying :/ .
From this article: https://alexa.zendesk.com/hc/en-us/articles/200450194-Alexa-s-Web-and-Site-Audit-Crawlers
The Alexa web crawler (robot) identifies itself as “ia_archiver” in the HTTP “User-agent” header field. The Alexa Internet ia_archiver crawler strictly adheres to robots.txt rules.
To prevent ia_archiver from visiting any part of your site, your robots.txt file should look like this:
User-agent: ia_archiver
Disallow: /
You can also restrict crawling of specific directories. For example, to prevent ia_archiver from visiting the images directory (and its subdirectories):
User-agent: ia_archiver
Disallow: /images/
If you can you can place a robots.txt
in the root of the subdomains you do not wish to have crawled. If these pages are outside of your control; the hosting service should/could have done these or similar restrictions.
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