| Used Operating Systems by Visits |
| 1 | 2488 | 7.33 | 2081 | 43.15 | +http://www.baidu.com/search/spider.html |
| 2 | 4268 | 12.58 | 1379 | 28.59 | Windows NT |
| 3 | 489 | 1.44 | 230 | 4.77 | +http://www.google.com/bot.html |
| 4 | 249 | 0.73 | 203 | 4.21 | Windows 95 |
| 5 | 485 | 1.43 | 195 | 4.04 | +http://www.bing.com/bingbot.htm |
| 6 | 18930 | 55.79 | 174 | 3.61 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 163 | 0.48 | 71 | 1.47 | +http://yandex.com/bots |
| 8 | 124 | 0.37 | 64 | 1.33 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 44 | 0.13 | 41 | 0.85 | MSIE 5.5; Windows NT 4.0 |
| 10 | 42 | 0.12 | 40 | 0.83 | Windows CE |
| 11 | 40 | 0.12 | 37 | 0.77 | MSIE 5.5; Windows NT 5.0 |
| 12 | 38 | 0.11 | 35 | 0.73 | Windows 3.1 |
| 13 | 38 | 0.11 | 35 | 0.73 | ) - BrowseX (2.0.0 Windows |
| 14 | 33 | 0.10 | 32 | 0.66 | Auto; Windows |
| 15 | 37 | 0.11 | 32 | 0.66 | Windows ME |
| 16 | 35 | 0.10 | 31 | 0.64 | Windows 2000 |
| 17 | 146 | 0.43 | 30 | 0.62 | Windows 98 |
| 18 | 121 | 0.36 | 29 | 0.60 | +http://www.linkdex.com/bots/ |
| 19 | 59 | 0.17 | 16 | 0.33 | http://www.opensiteexplorer.org/dotbot, ... |
| 20 | 5953 | 17.54 | 14 | 0.29 | +http://ahrefs.com/robot/ |
| 21 | 12 | 0.04 | 10 | 0.21 | http://www.bing.com/bingbot.htm |
| 22 | 21 | 0.06 | 9 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 23 | 20 | 0.06 | 9 | 0.19 | +http://help.coccoc.com/ |
| 24 | 35 | 0.10 | 4 | 0.08 | Windows XP |
| 25 | 8 | 0.02 | 4 | 0.08 | +http://duckduckgo.com |
| 26 | 3 | 0.01 | 3 | 0.06 | +http://www.domaintuno.com/robot |
| 27 | 4 | 0.01 | 3 | 0.06 | +info@netcraft.com |
| 28 | 12 | 0.04 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 29 | 2 | 0.01 | 2 | 0.04 | Linux i686 [unknown version] |
| 30 | 4 | 0.01 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 2 | 0.01 | 1 | 0.02 | +http://www.scoutjet.com/ |
| 32 | 7 | 0.02 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 33 | 5 | 0.01 | 1 | 0.02 | +http://megaindex.com/crawler |
| 34 | 1 | 0.00 | 1 | 0.02 | X11 |
| 35 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 36 | 2 | 0.01 | 1 | 0.02 | +http://www.exabot.com/go/robot |
| 37 | 1 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 38 | 4 | 0.01 | 0 | 0.00 | Win32; Trident/7.0 |
| 39 | 4 | 0.01 | 0 | 0.00 | +http://www.profound.net/domainappender |
| 40 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |