canonical:

        
    is a keyword for the HTML attribute `rel` which allows specification of the preferred URL for web pages with duplicate content.

与canonical相关的文章

Pegasus 2   




站内导航:


特别声明:169IT网站部分信息来自互联网,如果侵犯您的权利,请及时告知,本站将立即删除!

©2012-2021,,E-mail:www_#163.com(请将#改为@)

浙ICP备11055608号-3