| Used Operating Systems |
| 1 | 52685 | 58.37 | 466 | 3.37 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 17745 | 19.66 | 10530 | 76.13 | +http://ahrefs.com/robot/ |
| 3 | 5829 | 6.46 | 751 | 5.43 | Windows NT |
| 4 | 4824 | 5.34 | 5 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 5 | 3182 | 3.53 | 7 | 0.05 | +http://www.warebay.com/bot.html |
| 6 | 1279 | 1.42 | 485 | 3.51 | +http://www.google.com/bot.html |
| 7 | 831 | 0.92 | 190 | 1.37 | +http://yandex.com/bots |
| 8 | 794 | 0.88 | 172 | 1.24 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 733 | 0.81 | 632 | 4.57 | +http://www.baidu.com/search/spider.html |
| 10 | 726 | 0.80 | 119 | 0.86 | +http://www.linkdex.com/bots/ |
| 11 | 595 | 0.66 | 193 | 1.40 | +http://www.bing.com/bingbot.htm |
| 12 | 367 | 0.41 | 89 | 0.64 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 78 | 0.09 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 14 | 76 | 0.08 | 6 | 0.04 | +http://siteexplorer.info/ |
| 15 | 75 | 0.08 | 58 | 0.42 | +http://www.uptime.com/uptimebot |
| 16 | 70 | 0.08 | 2 | 0.01 | +http://www.linkpad.ru |
| 17 | 65 | 0.07 | 22 | 0.16 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 53 | 0.06 | 16 | 0.12 | Windows 95 |
| 19 | 38 | 0.04 | 9 | 0.07 | Windows 98 |
| 20 | 37 | 0.04 | 5 | 0.04 | Windows CE |
| 21 | 29 | 0.03 | 8 | 0.06 | Windows XP |
| 22 | 24 | 0.03 | 2 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 23 | 22 | 0.02 | 10 | 0.07 | +http://fulltext.sblog.cz/ |
| 24 | 16 | 0.02 | 8 | 0.06 | +http://www.exabot.com/go/robot |
| 25 | 15 | 0.02 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 26 | 14 | 0.02 | 14 | 0.10 | +http://www.xovibot.net/ |
| 27 | 12 | 0.01 | 0 | 0.00 | Macintosh |
| 28 | 6 | 0.01 | 5 | 0.04 | Windows 2000 |
| 29 | 6 | 0.01 | 6 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 30 | 5 | 0.01 | 3 | 0.02 | apps-spreadsheets; +http://docs.google.c... |
| 31 | 4 | 0.00 | 4 | 0.03 | Auto; Windows |
| 32 | 4 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 33 | 4 | 0.00 | 2 | 0.01 | +http://duckduckgo.com |
| 34 | 3 | 0.00 | 1 | 0.01 | +http://www.privacyaware.org |
| 35 | 3 | 0.00 | 3 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 36 | 2 | 0.00 | 2 | 0.01 | Windows ME |
| 37 | 2 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 38 | 2 | 0.00 | 2 | 0.01 | Linux i686 [unknown version] |
| 39 | 2 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
