Slight enhancement to domain_source module to add canonical meta tags to node. Canonical meta tags can improve SEO
|6.x-1.0||2012-Aug-20||6.75K||Download||Recommended for 6.x|
This v. small module should probably be a patch. It simply takes the canonical source as defined by the domain_source module (under 'domain access' options when editing node) and uses that to build a canonical meta tag. Canonical meta tags can aid SEO.
whether google frowns on multiple domains pointing to the same content, i am still not 100% sure, a little bit of digging and you will see opinions are divided. But google itself does cover the issue pretty well here ...
Download the source and install in ~/sites/all/modules (or wherever you keep your modules)
Activate the module in ~admin/build/modules
nothing to do really, this module will simply add a canonical meta tag to all nodes. The canonical domain used is the one specified as the 'source domain' through the domain_source module