I can tell you how to figure out if a robot is visiting your site, but as to how to keep your app from crashing if a bot shows up... thats up to you depending on the details of your app. If I recall correctly from your other thread, each and every visitor to your site winds up getting a fairly extensive amount of overhead being tossed into a session variable when they arrive. As you've seen this approach has drawbacks. To make your app understand a bot (or an IE visit or whatever), keep a list of bots that don't play well with your system in an application var, either a list or an array (arrays are faster, lists are simpler to work with). You don't need the entire browser string, just enough to be sure you get a unique lock on whatever it is you are looking for. Set a session var that tells you whether a session has been initialized. If the session has not been initialized, test cgi.http_user_agent (findNoCase should work) against your list/array of forbidden browsers. If a bot hits, do something different that solves your problem.
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