Check out the garbage web hits that I get. Actually, not all of the traffic is bad. You can spot referal spam, link-building bots, and exploit-probing bots.

This tool displays data sorted by IP address of the last 100 hits.

The codes are:

n: number of hits from the IP address
p: page ID codes that this IP address visited (error404 represents a non-existent page)
r: referring page urls related to this IP
a: the user agent strings used by this IP (notice that some IP's change this value)

Following this data there is a summary of page hits.

Here is the live data: