webcentric - 10:35 pm on Sep 17, 2013 (gmt 0)
The SERPS are always looking for new content. If you're CNN, then G is all over everything you post (probably before you even post it - chuckle). I've always looked at it like this... A site with just a moderately active update schedule is enough to keep the bots attention and deep linking into your site structure (in an almost random fashion from the home page - the way a blog does) keeps the bots moving around the site to discover new content and structure. We sometimes have new content show up on our primary site's home page for only a few hours before being pushed off and G manages to find it in short order. Other times, the home page can be almost stagnant for days. Over time G has worked out that checking our home page is good for them so they keep coming regularly. I've come to believe that G knows the difference between time-sensitive info or at least sites with time-sensitive info (such as news sites) and sites with less time-sensitive information and it treats that information differently. Blogs walk a fine line in this area because the content is new but may not be necessarily time-sensitive. I think the question is less about the schedule of posting and more about the type of information being posted.