After searching through many local citation site I find that most only apply to the US. Are there any really good ones in Canada?

A CSS validation notes the following: Family names containing whitespace should be quoted. If quoting is omitted, any whitespace characters before and after the name are ignored and any sequence of whitespace characters inside the name is converted to a single space. Not sure what this means or how to fix. Help. thanks

One recommendation from a page speed analysis of my site was to combine CSS (external style sheets) but after reading more on the topic others say that this is not always best. Any thoughts on either approach?

I have been experimenting with a number of plugins to speed up the loading of my wordpress site and find that website speed testing tools are all over the map when it comes to results. Even the same tool can produce vastly different results. Does anyone have experience with one that is both dependable and consistent?

Having just converted my website from static html to wordpress I now find that I am getting hfeed and hentry warnings from the google rich snippet testing tool. They appear as hfeed
hentry
Warning: At least one field must be set for HatomEntry.
Warning: Missing required field "entry-title".
Warning: Missing required field "updated".
Warning: Missing required hCard "author". I assume that they are related to the blog post excerpts that appear on my homepage but not sure nor have I found a way to deal with the warnings. Advice on this issue needed

I have added a number of widgets and gadgets to my site that I suspect act like Iframes. If true do these widgets and gadgets and the content that they are linked to help or hurt my site from an SEO perspective? Examples are facebook gadget, wordpress blidget, weather gadget, google maps widget.

I have been using SCRIBD to embed PDF documents on my site but until recently I did not include the link back to SCRIBD. Will my site get credit for this content or will it go to SCRIBD? Is there a better way to embed PDF documents for SEO?

I read an SEO article that recommended getting backlinks from social bookmarking sites like diggo.com. Does anyone have any thoughts on the usefulness of these types of links?

I have heard that edu and gov backlinks are important but how so in a niche area like mine - real estate? Perhaps I am missing the point but I do not see how either type of site would ever backlink to a commercial real estate entity. If these are that important in theory, are they obtainable in practice?