Canonical URL in DotNetNuke

首先，需要了解一下Canonical URL的概念：

Leeiio's Blog:

http://leeiio.me/canonical-wordpress-url/

Google China Webmaster:

http://www.googlechinawebmaster.com/2009/02/url.html

Yahoo Blog:

http://www.ysearchblog.com/2009/02/12/fighting-duplication-adding-more-arrows-to-your-quiver/

实现方式：

1. 直接在页面设置里面增加tag：

Login to your portal as Administrator.
Go to any page where you want to add a canonical tag.
Expand Control Panel by clicking icon next Show Control Panel?
Click to Settings button under Page Functions.
Expand Advanced Settings.
You will find Page Header Tags under Appereance section.
Add the code like below.

Canonical URL in DotNetNuke

2.修改Default.aspx


Page.Header.Controls.Add(New LiteralControl("<link rel=""canonical""
href=""" & objTab.FullUrl & """ />"))
If NonProductionVersion() AndAlso Host.DisplayBetaNotice Then
...
End If

see details at :

http://blog.vishalon.net/index.php/how-to-enable-canonical-url-for-seo-in-dotnetnuke-5-x/

3.使用第三方module:

http://www.ifinity.com.au/Products/Canonical_Links_For_DNN

read more: http://www.ifinity.com.au/Blog/EntryId/62/DotNetNuke-and-the-Canonical-Url-Link-Element

谢谢观赏。