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The other is where Gbot will only deep crawl my index and robots.txt page. I have validated all pages checked with hosting company checked and rechecked code. I am at a loss! Based on Gbots past and my site he usually will deep crawl me twice. [webmasterworld.com...]
This month he came by yesterday and he should revisit around the 8th - 11th. Any suggestions you may have I would greatly appreciated. Thanks in advance for any help you can give!
There can be any number of reasons, some of which were mentioned in those other threads, and others that can be dug out by reading through the forum.
With over 3 billion pages, Google just doesn't deep crawl all every time, which is the simplest explanation. There can be any number of reasons why some are and some aren't. It can depend on PR, linking, robots.txt and lots of things, not the least of which is that of dynamic pages - depending somewhat on the number of parameters.
Basically, it takes digging deep into each issue that's a possible cause, correcting what's found, and then giving it time. Google just doesn't do it all every month.