| Used Operating Systems |
| 1 | 14948 | 41.94 | 158 | 1.80 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7378 | 20.70 | 2868 | 32.65 | Windows NT |
| 3 | 4648 | 13.04 | 3105 | 35.35 | +http://www.baidu.com/search/spider.html |
| 4 | 2165 | 6.07 | 1240 | 14.12 | +http://www.easou.com/search/spider.html |
| 5 | 1574 | 4.42 | 235 | 2.68 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 1424 | 4.00 | 299 | 3.40 | +http://ahrefs.com/robot/ |
| 7 | 1051 | 2.95 | 14 | 0.16 | +http://OpenLinkProfiler.org/bot |
| 8 | 551 | 1.55 | 174 | 1.98 | +http://www.linkdex.com/bots/ |
| 9 | 534 | 1.50 | 306 | 3.48 | +http://www.bing.com/bingbot.htm |
| 10 | 505 | 1.42 | 55 | 0.63 | +http://yandex.com/bots |
| 11 | 452 | 1.27 | 204 | 2.32 | +http://www.google.com/bot.html |
| 12 | 90 | 0.25 | 2 | 0.02 | +http://www.seokicks.de/robot.html |
| 13 | 70 | 0.20 | 19 | 0.22 | +http://www.exabot.com/go/robot |
| 14 | 57 | 0.16 | 14 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 34 | 0.10 | 17 | 0.19 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 23 | 0.06 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 17 | 14 | 0.04 | 12 | 0.14 | X11 |
| 18 | 13 | 0.04 | 1 | 0.01 | +http://www.linkpad.ru |
| 19 | 11 | 0.03 | 8 | 0.09 | Windows 95 |
| 20 | 10 | 0.03 | 2 | 0.02 | +http://overx50.com |
| 21 | 10 | 0.03 | 2 | 0.02 | +http://getdownload.ws |
| 22 | 8 | 0.02 | 7 | 0.08 | +info@netcraft.com |
| 23 | 7 | 0.02 | 7 | 0.08 | Linux [unknown version] |
| 24 | 7 | 0.02 | 5 | 0.06 | Windows 98 |
| 25 | 6 | 0.02 | 3 | 0.03 | +http://wmaid.com/explore/ |
| 26 | 5 | 0.01 | 4 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 27 | 5 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 28 | 4 | 0.01 | 1 | 0.01 | +http://uni5download.com |
| 29 | 4 | 0.01 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 30 | 4 | 0.01 | 2 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 31 | 3 | 0.01 | 1 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 32 | 3 | 0.01 | 1 | 0.01 | +http://downloaflare.biz |
| 33 | 3 | 0.01 | 0 | 0.00 | Windows XP |
| 34 | 3 | 0.01 | 3 | 0.03 | Windows 3.1 |
| 35 | 3 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 36 | 3 | 0.01 | 1 | 0.01 | +http://inload.me |
| 37 | 2 | 0.01 | 2 | 0.02 | Windows 2000 |
| 38 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 39 | 2 | 0.01 | 2 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 40 | 2 | 0.01 | 2 | 0.02 | Windows ME |
| 41 | 2 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 42 | 2 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 43 | 1 | 0.00 | 1 | 0.01 | Windows CE |
