| Used Operating Systems |
| 1 | 3955 | 32.49 | 3309 | 50.92 | +http://www.baidu.com/search/spider.html |
| 2 | 2988 | 24.55 | 1953 | 30.06 | Windows NT |
| 3 | 1967 | 16.16 | 649 | 9.99 | +http://www.google.com/bot.html |
| 4 | 1053 | 8.65 | 70 | 1.08 | Windows 98 |
| 5 | 1002 | 8.23 | 67 | 1.03 | +http://yandex.com/bots |
| 6 | 590 | 4.85 | 241 | 3.71 | +http://www.bing.com/bingbot.htm |
| 7 | 108 | 0.89 | 27 | 0.42 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 83 | 0.68 | 33 | 0.51 | +http://www.exabot.com/go/robot |
| 9 | 75 | 0.62 | 28 | 0.43 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 40 | 0.33 | 24 | 0.37 | +http://ahrefs.com/robot/ |
| 11 | 30 | 0.25 | 5 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 12 | 28 | 0.23 | 4 | 0.06 | http://crawler.007ac9.net/ |
| 13 | 26 | 0.21 | 13 | 0.20 | +http://fulltext.sblog.cz/ |
| 14 | 24 | 0.20 | 4 | 0.06 | http://www.searchmetrics.com/en/searchme... |
| 15 | 24 | 0.20 | 6 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 22 | 0.18 | 11 | 0.17 | http://crawler.sistrix.net/ |
| 17 | 22 | 0.18 | 4 | 0.06 | +http://help.coccoc.com/ |
| 18 | 16 | 0.13 | 10 | 0.15 | X11 |
| 19 | 14 | 0.12 | 2 | 0.03 | +http://www.profound.net/urlappendbot.ht... |
| 20 | 12 | 0.10 | 3 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 21 | 12 | 0.10 | 8 | 0.12 | +http://wmaid.com/explore/ |
| 22 | 10 | 0.08 | 1 | 0.02 | +http://www.linkpad.ru |
| 23 | 9 | 0.07 | 1 | 0.02 | http://www.lipperhey.com/ |
| 24 | 9 | 0.07 | 3 | 0.05 | +http://inload.in |
| 25 | 7 | 0.06 | 5 | 0.08 | Android 2.3.5 |
| 26 | 6 | 0.05 | 2 | 0.03 | +http://getdownload.ws |
| 27 | 6 | 0.05 | 1 | 0.02 | Intel Mac OS X 10.8 |
| 28 | 6 | 0.05 | 3 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 5 | 0.04 | 0 | 0.00 | Linux [unknown version] |
| 30 | 5 | 0.04 | 4 | 0.06 | +info@netcraft.com |
| 31 | 4 | 0.03 | 2 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 32 | 4 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 33 | 4 | 0.03 | 4 | 0.06 | Linux i686 [unknown version] |
| 34 | 3 | 0.02 | 1 | 0.02 | +http://freedlf.com/ |
| 35 | 2 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 36 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
