LinuxVirt:

User agent %
Mozilla/5.0 82.54
CCBot/2.0 3.94
DotBot/1.2 3.39
PetalBot 3.21
Buck/2.2; 2.45
CCBot/3.1 1.08
UserAgent 0.63
Apache-HttpClient/4.5.2 0.47
ScoutJet 0.41
YandexBot/3.0 0.33
Others 1.56

此页的英文版本:EventStats/UserAgents