Could someone please explain the attribute value of the name of the meta tag robots_html/css_WEB-ITnose

There are 6 values ​​in this attribute value, namely all, none, index, follow, noindex, follow
Equivalent to continuous writing



;
is equivalent to writing continuously


;
Equivalent to


;
Equivalent to

Reply to discussion (solution)

Set to all: files will be retrieved and links on the page can be queried;

Set to none: The file will not be retrieved, and the links on the page cannot be queried;

Set to index: the file will be retrieved;

Set to follow: the links on the page can be queried ;

Set to noindex: the file will not be retrieved, but the links on the page can be queried;

Set to nofollow: the file will not be retrieved, but the links on the page can be queried Query.
http://blog.csdn.net/wizard0128/article/details/991363