Checked my "in depth" site stats today for all of April and noticed 0 Googlebot visits so far.
So I started checking previous monthly data for the past year to see if Googlebot ever skipped my site for an entire month before. It's never happened. Normally I average 10 - 15 visits per day in a month. Concern would be an understatement.
1. Has anyone here ever had this happen to them?
2. If it has happened to you, what was the eventual effect? Nothing? Banned? Normal activity the next month?
3. Has anyone noticed lower than normal visits to their site by Googlebot this month?
The timing is suggestive. Google changed over to a new crawling pattern around the same time and every google crawler now participates in the "crawl caching proxy" where only one of the bots will crawl a page and the cache is shared around all of Google. This includes the AdSense mediabot, blogsearch, News crawl and possibly others -- see [mattcutts.com...] for more.
Is it possible your stats package is not configured to pick up all these new Google crawlers when they visit? I know mine wasn't.