Mobile version of the site on a subdomain, how not to harm the main site?

S

Stanislav2015-03-18 14:36:54

Search Engine Optimization

Stanislav, 2015-03-18 14:36:54

Today and yesterday I was looking for information about this, a lot of options are painted, but I can’t determine something.
Tell me how to be .. I
created a mobile version of the site on the m.site.ru subdomain. As I understand it, this is enough for Yandex and you don’t need to do any more fraud. Or is it still necessary to close indexing m.site.ru in robots.txt? Although I understand that it sounds crazy, since these pages should be in the mob. searching search engines.
At the moment, I have done the following:
1. Specified the type of document

<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.2//EN" "http://www.openmobilealliance.org/tech/DTD/xhtml-mobile12.dtd">

2. Placed on subdomain m.site.ru Is
this enough for dogs Y, G ?
Or is it still necessary to define canonical URLs and so on.
Any thoughts on this issue would be very helpful for me, I don't want duplicates in the sickle and I don't want to lower the rating of the main domain.

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yanusrnd, 2015-05-12
@yanusrnd

In your case = close the mobile version in robots.txt
In general, the idea of making a mobile version of a site on a subdomain is wrong from the point of view of seo.