| Used Operating Systems |
| 1 | 6484 | 41.55 | 3608 | 59.92 | Windows NT |
| 2 | 3832 | 24.56 | 299 | 4.97 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 1547 | 9.91 | 1397 | 23.20 | +http://www.baidu.com/search/spider.html |
| 4 | 1212 | 7.77 | 46 | 0.76 | +http://www.easou.com/search/spider.html |
| 5 | 655 | 4.20 | 53 | 0.88 | Windows 98 |
| 6 | 624 | 4.00 | 214 | 3.55 | +http://www.google.com/bot.html |
| 7 | 440 | 2.82 | 207 | 3.44 | +http://www.bing.com/bingbot.htm |
| 8 | 269 | 1.72 | 45 | 0.75 | +http://yandex.com/bots |
| 9 | 84 | 0.54 | 9 | 0.15 | +http://ahrefs.com/robot/ |
| 10 | 66 | 0.42 | 4 | 0.07 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 64 | 0.41 | 33 | 0.55 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 38 | 0.24 | 19 | 0.32 | +http://www.exabot.com/go/robot |
| 13 | 36 | 0.23 | 7 | 0.12 | http://www.majestic12.co.uk/bot.php?+ |
| 14 | 30 | 0.19 | 17 | 0.28 | Windows 95 |
| 15 | 28 | 0.18 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 16 | 25 | 0.16 | 11 | 0.18 | +http://fulltext.sblog.cz/ |
| 17 | 22 | 0.14 | 2 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 18 | 15 | 0.10 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 19 | 15 | 0.10 | 5 | 0.08 | X11 |
| 20 | 12 | 0.08 | 7 | 0.12 | MSIE 5.5; Windows NT 4.0 |
| 21 | 11 | 0.07 | 4 | 0.07 | Auto; Windows |
| 22 | 10 | 0.06 | 4 | 0.07 | Windows 2000 |
| 23 | 10 | 0.06 | 1 | 0.02 | +http://www.linkpad.ru |
| 24 | 8 | 0.05 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 25 | 8 | 0.05 | 6 | 0.10 | Windows 3.1 |
| 26 | 7 | 0.04 | 3 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 27 | 6 | 0.04 | 3 | 0.05 | http://crawler.sistrix.net/ |
| 28 | 6 | 0.04 | 3 | 0.05 | +http://wmaid.com/explore/ |
| 29 | 6 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 30 | 5 | 0.03 | 0 | 0.00 | Linux [unknown version] |
| 31 | 4 | 0.03 | 0 | 0.00 | Win32 |
| 32 | 4 | 0.03 | 2 | 0.03 | Windows ME |
| 33 | 4 | 0.03 | 1 | 0.02 | Android 2.3.5 |
| 34 | 3 | 0.02 | 1 | 0.02 | +http://downloaflare.biz |
| 35 | 3 | 0.02 | 1 | 0.02 | +http://linkchecker.sourceforge.net/ |
| 36 | 2 | 0.01 | 2 | 0.03 | Windows CE |
| 37 | 2 | 0.01 | 1 | 0.02 | Windows XP |
| 38 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 39 | 2 | 0.01 | 1 | 0.02 | ScoutJet; +http://blekko.com/about/blekk... |
| 40 | 2 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 41 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 42 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
