| Used Operating Systems by Visits |
| 1 | 1651 | 3.41 | 544 | 23.61 | +http://ahrefs.com/robot/ |
| 2 | 25053 | 51.73 | 533 | 23.13 | Windows NT |
| 3 | 717 | 1.48 | 305 | 13.24 | +http://www.baidu.com/search/spider.html |
| 4 | 14919 | 30.81 | 190 | 8.25 | http://mj12bot.com/ |
| 5 | 2688 | 5.55 | 161 | 6.99 | +http://yandex.com/bots |
| 6 | 628 | 1.30 | 139 | 6.03 | +http://www.linkdex.com/bots/ |
| 7 | 1516 | 3.13 | 122 | 5.30 | +http://www.google.com/bot.html |
| 8 | 444 | 0.92 | 115 | 4.99 | +http://www.bing.com/bingbot.htm |
| 9 | 90 | 0.19 | 28 | 1.22 | Windows XP |
| 10 | 69 | 0.14 | 27 | 1.17 | Windows 95 |
| 11 | 40 | 0.08 | 19 | 0.82 | Windows 98 |
| 12 | 29 | 0.06 | 17 | 0.74 | +http://www.uptime.com/uptimebot |
| 13 | 23 | 0.05 | 11 | 0.48 | Windows 2000 |
| 14 | 24 | 0.05 | 9 | 0.39 | MSIE 5.5; Windows NT 5.0 |
| 15 | 13 | 0.03 | 9 | 0.39 | ) - BrowseX (2.0.0 Windows |
| 16 | 14 | 0.03 | 6 | 0.26 | Auto; Windows |
| 17 | 36 | 0.07 | 6 | 0.26 | Linux i686 [unknown version] |
| 18 | 12 | 0.02 | 6 | 0.26 | +http://napoveda.seznam.cz/en/seznambot-... |
| 19 | 62 | 0.13 | 5 | 0.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 80 | 0.17 | 5 | 0.22 | +http://OpenLinkProfiler.org/bot |
| 21 | 26 | 0.05 | 5 | 0.22 | http://www.botje.com/plukkie.htm |
| 22 | 10 | 0.02 | 3 | 0.13 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 23 | 16 | 0.03 | 3 | 0.13 | +http://cliqz.com/company/cliqzbot |
| 24 | 16 | 0.03 | 3 | 0.13 | Windows 3.1 |
| 25 | 4 | 0.01 | 2 | 0.09 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 26 | 12 | 0.02 | 2 | 0.09 | crawler@mixrank.com |
| 27 | 2 | 0.00 | 2 | 0.09 | OpenBSD [unknown version] |
| 28 | 6 | 0.01 | 2 | 0.09 | Windows CE |
| 29 | 8 | 0.02 | 2 | 0.09 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 30 | 4 | 0.01 | 2 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 31 | 6 | 0.01 | 2 | 0.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 32 | 14 | 0.03 | 2 | 0.09 | +http://www.linkpad.ru |
| 33 | 4 | 0.01 | 2 | 0.09 | Linux [unknown version] |
| 34 | 2 | 0.00 | 2 | 0.09 | +http://www.id-search.xyz/bot.html |
| 35 | 2 | 0.00 | 2 | 0.09 | Windows ME |
| 36 | 4 | 0.01 | 2 | 0.09 | +info@netcraft.com |
| 37 | 100 | 0.21 | 2 | 0.09 | +http://www.semrush.com/bot.html |
| 38 | 28 | 0.06 | 2 | 0.09 | +http://megaindex.com/crawler |
| 39 | 2 | 0.00 | 2 | 0.09 | IRIX 6.x |
| 40 | 2 | 0.00 | 1 | 0.04 | http://www.majestic12.co.uk/bot.php?+ |
| 41 | 2 | 0.00 | 1 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 42 | 1 | 0.00 | 1 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 43 | 2 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 44 | 5 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 45 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 46 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 47 | 16 | 0.03 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 48 | 24 | 0.05 | 0 | 0.00 | +http://www.xovibot.net/ |
