| Used Operating Systems |
| 1 | 6796 | 63.05 | 4158 | 66.71 | Windows NT |
| 2 | 1427 | 13.24 | 1377 | 22.09 | +http://www.baidu.com/search/spider.html |
| 3 | 664 | 6.16 | 48 | 0.77 | Windows 98 |
| 4 | 398 | 3.69 | 197 | 3.16 | +http://www.bing.com/bingbot.htm |
| 5 | 347 | 3.22 | 41 | 0.66 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 307 | 2.85 | 74 | 1.19 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 280 | 2.60 | 147 | 2.36 | +http://www.google.com/bot.html |
| 8 | 164 | 1.52 | 45 | 0.72 | +http://yandex.com/bots |
| 9 | 58 | 0.54 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 10 | 37 | 0.34 | 14 | 0.22 | +http://www.linkdex.com/bots/ |
| 11 | 37 | 0.34 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 12 | 33 | 0.31 | 3 | 0.05 | +http://www.profound.net/urlappendbot.ht... |
| 13 | 29 | 0.27 | 17 | 0.27 | +http://ahrefs.com/robot/ |
| 14 | 21 | 0.19 | 19 | 0.30 | Windows 95 |
| 15 | 21 | 0.19 | 9 | 0.14 | X11 |
| 16 | 21 | 0.19 | 1 | 0.02 | +http://siteexplorer.info/ |
| 17 | 16 | 0.15 | 14 | 0.22 | Windows CE |
| 18 | 12 | 0.11 | 9 | 0.14 | Android 2.3.5 |
| 19 | 10 | 0.09 | 5 | 0.08 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 10 | 0.09 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 21 | 8 | 0.07 | 6 | 0.10 | +http://wmaid.com/explore/ |
| 22 | 8 | 0.07 | 4 | 0.06 | +http://fulltext.sblog.cz/ |
| 23 | 7 | 0.06 | 6 | 0.10 | Windows ME |
| 24 | 6 | 0.06 | 3 | 0.05 | Windows XP |
| 25 | 6 | 0.06 | 2 | 0.03 | +http://inload.in |
| 26 | 5 | 0.05 | 5 | 0.08 | Windows 3.1 |
| 27 | 5 | 0.05 | 5 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 28 | 5 | 0.05 | 4 | 0.06 | +http://www.semrush.com/bot.html |
| 29 | 5 | 0.05 | 1 | 0.02 | +http://freedlf.com/ |
| 30 | 5 | 0.05 | 2 | 0.03 | +http://gimme60.com |
| 31 | 4 | 0.04 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 32 | 3 | 0.03 | 3 | 0.05 | Windows 2000 |
| 33 | 3 | 0.03 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 34 | 3 | 0.03 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 35 | 2 | 0.02 | 0 | 0.00 | Win32 |
| 36 | 2 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 37 | 2 | 0.02 | 1 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 38 | 2 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 2 | 0.02 | 1 | 0.02 | +http://help.coccoc.com/ |
| 40 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 41 | 2 | 0.02 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 42 | 2 | 0.02 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 43 | 1 | 0.01 | 1 | 0.02 | +http://136.186.231.16 |
