| Used Operating Systems |
| 1 | 3251 | 39.32 | 1798 | 41.25 | Windows NT |
| 2 | 1777 | 21.49 | 1603 | 36.77 | +http://www.baidu.com/search/spider.html |
| 3 | 846 | 10.23 | 255 | 5.85 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 646 | 7.81 | 0 | 0.00 | Win32; Trident/4.0 |
| 5 | 541 | 6.54 | 31 | 0.71 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 364 | 4.40 | 226 | 5.18 | +http://ahrefs.com/robot/ |
| 7 | 315 | 3.81 | 183 | 4.20 | +http://www.google.com/bot.html |
| 8 | 233 | 2.82 | 158 | 3.62 | +http://www.bing.com/bingbot.htm |
| 9 | 109 | 1.32 | 36 | 0.83 | +http://www.linkdex.com/bots/ |
| 10 | 42 | 0.51 | 10 | 0.23 | +http://yandex.com/bots |
| 11 | 27 | 0.33 | 9 | 0.21 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 18 | 0.22 | 9 | 0.21 | +http://www.meanpath.com/meanpathbot.htm... |
| 13 | 14 | 0.17 | 7 | 0.16 | +http://www.exabot.com/go/robot |
| 14 | 10 | 0.12 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 15 | 8 | 0.10 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 16 | 7 | 0.08 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 17 | 7 | 0.08 | 7 | 0.16 | X11 |
| 18 | 6 | 0.07 | 2 | 0.05 | +http://siteexplorer.info/ |
| 19 | 5 | 0.06 | 1 | 0.02 | +http://overx50.com |
| 20 | 4 | 0.05 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 4 | 0.05 | 1 | 0.02 | +http://www.proximic.com/info/spider.php |
| 22 | 4 | 0.05 | 2 | 0.05 | http://crawler.sistrix.net/ |
| 23 | 3 | 0.04 | 3 | 0.07 | +http://www.xovibot.net/ |
| 24 | 3 | 0.04 | 2 | 0.05 | Windows 98 |
| 25 | 3 | 0.04 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 26 | 3 | 0.04 | 1 | 0.02 | +http://mydownloadengine.com |
| 27 | 3 | 0.04 | 1 | 0.02 | +http://inload.me |
| 28 | 2 | 0.02 | 0 | 0.00 | Win32 |
| 29 | 2 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 30 | 2 | 0.02 | 1 | 0.02 | +http://help.coccoc.com/ |
| 31 | 2 | 0.02 | 1 | 0.02 | +http://wmaid.com/explore/ |
| 32 | 2 | 0.02 | 1 | 0.02 | ScoutJet; +http://blekko.com/about/blekk... |
| 33 | 1 | 0.01 | 1 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 34 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 35 | 1 | 0.01 | 1 | 0.02 | Windows 3.1 |
| 36 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 37 | 1 | 0.01 | 1 | 0.02 | +http://gimme60.com |
| 38 | 1 | 0.01 | 0 | 0.00 | +info@netcraft.com |
