| Used Operating Systems |
| 1 | 5365 | 44.90 | 1983 | 42.52 | Windows NT |
| 2 | 2471 | 20.68 | 125 | 2.68 | +http://yandex.com/bots |
| 3 | 1780 | 14.90 | 1645 | 35.27 | +http://www.baidu.com/search/spider.html |
| 4 | 578 | 4.84 | 195 | 4.18 | +http://www.bing.com/bingbot.htm |
| 5 | 384 | 3.21 | 220 | 4.72 | +http://www.google.com/bot.html |
| 6 | 352 | 2.95 | 115 | 2.47 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 250 | 2.09 | 22 | 0.47 | +http://www.semrush.com/bot.html |
| 8 | 109 | 0.91 | 74 | 1.59 | Windows 95 |
| 9 | 87 | 0.73 | 37 | 0.79 | Windows XP |
| 10 | 81 | 0.68 | 44 | 0.94 | Windows 98 |
| 11 | 56 | 0.47 | 19 | 0.41 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 49 | 0.41 | 22 | 0.47 | Windows 3.1 |
| 13 | 47 | 0.39 | 4 | 0.09 | +http://ahrefs.com/robot/ |
| 14 | 41 | 0.34 | 10 | 0.21 | +http://napoveda.seznam.cz/en/seznambot-... |
| 15 | 34 | 0.28 | 16 | 0.34 | +http://duckduckgo.com |
| 16 | 25 | 0.21 | 5 | 0.11 | +http://webmeup-crawler.com/ |
| 17 | 24 | 0.20 | 3 | 0.06 | X11 |
| 18 | 23 | 0.19 | 17 | 0.36 | Windows ME |
| 19 | 23 | 0.19 | 12 | 0.26 | +http://www.exabot.com/go/robot |
| 20 | 21 | 0.18 | 17 | 0.36 | Windows 2000 |
| 21 | 17 | 0.14 | 13 | 0.28 | Auto; Windows |
| 22 | 16 | 0.13 | 4 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 23 | 16 | 0.13 | 13 | 0.28 | MSIE 5.5; Windows NT 4.0 |
| 24 | 12 | 0.10 | 7 | 0.15 | Windows CE |
| 25 | 12 | 0.10 | 6 | 0.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 26 | 11 | 0.09 | 7 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 27 | 10 | 0.08 | 10 | 0.21 | ) - BrowseX (2.0.0 Windows |
| 28 | 8 | 0.07 | 4 | 0.09 | +http://help.coccoc.com/searchengine |
| 29 | 6 | 0.05 | 2 | 0.04 | +http://prlog.ru/ |
| 30 | 6 | 0.05 | 0 | 0.00 | +http://siteexplorer.info/ |
| 31 | 5 | 0.04 | 1 | 0.02 | +http://help.naver.com/support/robots.ht... |
| 32 | 5 | 0.04 | 3 | 0.06 | +http://www.uptime.com/uptimebot |
| 33 | 4 | 0.03 | 2 | 0.04 | +https://www.mojeek.com/bot.html |
| 34 | 4 | 0.03 | 2 | 0.04 | +info@netcraft.com |
| 35 | 4 | 0.03 | 1 | 0.02 | +https://www.dataprovider.com/ |
| 36 | 3 | 0.03 | 2 | 0.04 | Linux [unknown version] |
| 37 | 3 | 0.03 | 0 | 0.00 | Android 2.3.5 |
| 38 | 2 | 0.02 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 39 | 2 | 0.02 | 1 | 0.02 | +http://domainsigma.com/robot |
| 40 | 1 | 0.01 | 1 | 0.02 | OpenBSD [unknown version] |
| 41 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 1 | 0.01 | 0 | 0.00 | +http://www.domainoptima.com/robot |
