| Used Operating Systems by Visits |
| 1 | 2272 | 5.88 | 1922 | 45.83 | +http://www.baidu.com/search/spider.html |
| 2 | 1789 | 4.63 | 818 | 19.50 | +http://www.google.com/bot.html |
| 3 | 28844 | 74.71 | 399 | 9.51 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 671 | 1.74 | 375 | 8.94 | +http://www.bing.com/bingbot.htm |
| 5 | 542 | 1.40 | 194 | 4.63 | Windows NT |
| 6 | 2671 | 6.92 | 130 | 3.10 | +http://yandex.com/bots |
| 7 | 128 | 0.33 | 80 | 1.91 | +http://ahrefs.com/robot/ |
| 8 | 399 | 1.03 | 70 | 1.67 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 106 | 0.27 | 34 | 0.81 | +http://www.semrush.com/bot.html |
| 10 | 21 | 0.05 | 20 | 0.48 | +http://www.xovibot.net/ |
| 11 | 39 | 0.10 | 18 | 0.43 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 16 | 0.04 | 15 | 0.36 | Windows 95 |
| 13 | 44 | 0.11 | 14 | 0.33 | +spider@seoscanners.net |
| 14 | 12 | 0.03 | 12 | 0.29 | Windows 2000 |
| 15 | 676 | 1.75 | 10 | 0.24 | +http://www.warebay.com/bot.html |
| 16 | 34 | 0.09 | 10 | 0.24 | +http://www.linkdex.com/bots/ |
| 17 | 16 | 0.04 | 10 | 0.24 | Windows 98 |
| 18 | 18 | 0.05 | 10 | 0.24 | +http://www.exabot.com/go/robot |
| 19 | 25 | 0.06 | 7 | 0.17 | +http://help.coccoc.com/searchengine |
| 20 | 8 | 0.02 | 6 | 0.14 | Windows XP |
| 21 | 7 | 0.02 | 4 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 76 | 0.20 | 4 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 23 | 16 | 0.04 | 4 | 0.10 | +http://siteexplorer.info/ |
| 24 | 3 | 0.01 | 3 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 25 | 3 | 0.01 | 3 | 0.07 | Windows 3.1 |
| 26 | 66 | 0.17 | 3 | 0.07 | +https://www.aihitdata.com/about |
| 27 | 4 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 28 | 10 | 0.03 | 2 | 0.05 | http://filterdb.iss.net/crawler/ |
| 29 | 26 | 0.07 | 2 | 0.05 | +https://www.dataprovider.com/ |
| 30 | 2 | 0.01 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 31 | 4 | 0.01 | 2 | 0.05 | +http://domainsigma.com/robot |
| 32 | 11 | 0.03 | 1 | 0.02 | crawler@mixrank.com |
| 33 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 34 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 35 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 36 | 18 | 0.05 | 1 | 0.02 | Linux [unknown version] |
| 37 | 1 | 0.00 | 1 | 0.02 | Windows ME |
| 38 | 18 | 0.05 | 1 | 0.02 | Linux i686 [unknown version] |
| 39 | 1 | 0.00 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 40 | 2 | 0.01 | 1 | 0.02 | +http://napoveda.seznam.cz/en/seznambot-... |
| 41 | 2 | 0.01 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 42 | 3 | 0.01 | 0 | 0.00 | +http://www.uptime.com/uptimebot |
