WWW or not, just make sure you canonicalize it
…o what does this mean for our web site? As seen above we can choose domain.com or www.domain.com for our site. Well how about those sites with blogs or CMS’s, they often have default pages at domain.com/index.php or www.domain.com/index.php. So who cares? We as human users we don’t really care as we equate all those URL’s as we are used to seeing them arrive at the same content, but search engines don’t see them as the same. If you consider Google…