Sleepy Ronan

Month: August 2017

The role of nofollow tag

1, " nofollow" written in the meta tags on the page, used to tell the search engines don’t grab all external and internal links page. 2. index, nofollow: allows to grab this page, but prohibit the following links. is love Shanghai, Google, Yahoo, MSN in order to deal with spam links (Spam) introduced an attribute,…