Crawler Alert

[Jeff]

Free service which will automatically send you an email notification whenever a search engine crawler (spider/agent/robot) is scanning your website.

http://www.crawler-alert.com/

Haven't investigated or tried it, but I thought it might be of interest to folks here.

[eugene]

I haven't tried that site, but you could create your own trivial php page that would do the same thing.

[dbmasters]

what a nightmare, if you have a very popular site it could be alerting you constantly.

[QuickGold]

Quite a "bootleg" website they have...not very professional.