I run support.telect.com. We use the Public Knowledge Base app. As part of this, from a report, we can see what terms people search, and then if they don't find anything we can create results articles specifically for them. However when looking at the report of terms searched, it seems like bots are making searches. In the month of November we had 321 unique users to the site, according to Google, and many of those were search users. However we had over 2500 searches made on the site during the month according to the report, many of them duplicates from days before. However all of the duplicates are valid searches.
It seems like bots are making these searches to me, and I would like to stop them. Right now it is difficult to see what are actual searches by users in need of help, and what are bots. Please let me know if you have any questions.