Right... The bot can't find out, if the page is a static HTML file or dynamically generated output by some sort of server-side technology...
One can easily establish that by looking at the HTTP response times, the file extension (if content negotiation, NSAPI/ISAPI filters, or HTTPRequestHandlers aren't enabled)
Or just by timing the request... if the response took longer than a static HTML document did then one can assume that it was generated by a server (of course, network lag can play a part, but generally the server sends the HTTP header confirming receipt of the request ASAP, as to prevent the client from going all "timed outty" at the server and closing the connection.) With ASP.Net being the exception of course, memory-recalled and compiled pages can sometimes be loaded faster than static HTML.
But this shouldn't concern SEO people.
The important thing is to minimize use of "traditional" HTTP GET querystrings, as many engines ignore URLs beginning with them, which is to say... use negociated URLs (such as "www.domain.tld/pages/somepage/somequery" rather than "www.domain.tld/pages.cfml?somepage&somefield=somequery")
HTH
-- -David R ****************************************************** The discussion list for http://webstandardsgroup.org/
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