| Used Operating Systems |
| 1 | 21273 | 36.30 | 1430 | 20.86 | Windows NT |
| 2 | 20228 | 34.52 | 197 | 2.87 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 8961 | 15.29 | 449 | 6.55 | +http://ahrefs.com/robot/ |
| 4 | 4725 | 8.06 | 3562 | 51.96 | +http://www.baidu.com/search/spider.html |
| 5 | 1221 | 2.08 | 534 | 7.79 | +http://www.google.com/bot.html |
| 6 | 954 | 1.63 | 361 | 5.27 | +http://www.bing.com/bingbot.htm |
| 7 | 720 | 1.23 | 84 | 1.23 | +http://yandex.com/bots |
| 8 | 204 | 0.35 | 152 | 2.22 | +http://www.linkdex.com/bots/ |
| 9 | 62 | 0.11 | 3 | 0.04 | +http://fulltext.sblog.cz/ |
| 10 | 48 | 0.08 | 3 | 0.04 | WinHttp.WinHttpRequest.5 |
| 11 | 28 | 0.05 | 8 | 0.12 | +http://www.exabot.com/go/robot |
| 12 | 25 | 0.04 | 8 | 0.12 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 21 | 0.04 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 14 | 20 | 0.03 | 2 | 0.03 | http://filterdb.iss.net/crawler/ |
| 15 | 18 | 0.03 | 16 | 0.23 | +info@netcraft.com |
| 16 | 16 | 0.03 | 8 | 0.12 | +http://help.coccoc.com/ |
| 17 | 14 | 0.02 | 2 | 0.03 | Linux i686 [unknown version] |
| 18 | 8 | 0.01 | 2 | 0.03 | +http://prlog.ru/ |
| 19 | 7 | 0.01 | 6 | 0.09 | http://nmap.org/book/nse.html |
| 20 | 7 | 0.01 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 21 | 7 | 0.01 | 2 | 0.03 | +http://www.findxbot.com |
| 22 | 7 | 0.01 | 4 | 0.06 | Windows 98 |
| 23 | 6 | 0.01 | 3 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 24 | 3 | 0.01 | 3 | 0.04 | Windows 95 |
| 25 | 3 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 2 | 0.00 | 2 | 0.03 | Windows 2000 |
| 27 | 2 | 0.00 | 1 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 28 | 2 | 0.00 | 2 | 0.03 | apps-spreadsheets; +http://docs.google.c... |
| 29 | 2 | 0.00 | 2 | 0.03 | Windows 3.1 |
| 30 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 31 | 2 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 32 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
