I wonder if most major sites that whitelist Googlebot also have exceptions for Slurp, Bingbot, and other major search engine bots. If not, then it would be inte

I wonder if most major sites that whitelist Googlebot also have exceptions for Slurp, Bingbot, and other major search engine bots. If not, then it would be interesting to know how these other companies deal with it, or if they just politely back off.