| Used Operating Systems |
| 1 | 18213 | 29.92 | 12712 | 72.75 | +http://ahrefs.com/robot/ |
| 2 | 15023 | 24.68 | 165 | 0.94 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 6391 | 10.50 | 1 | 0.01 | +http://megaindex.com/crawler |
| 4 | 6194 | 10.18 | 331 | 1.89 | +http://yandex.com/bots |
| 5 | 3918 | 6.44 | 1005 | 5.75 | Windows NT |
| 6 | 2937 | 4.83 | 465 | 2.66 | +http://www.bing.com/bingbot.htm |
| 7 | 2314 | 3.80 | 1825 | 10.44 | +http://www.baidu.com/search/spider.html |
| 8 | 1920 | 3.15 | 343 | 1.96 | +http://www.google.com/bot.html |
| 9 | 1186 | 1.95 | 222 | 1.27 | +http://www.linkdex.com/bots/ |
| 10 | 741 | 1.22 | 6 | 0.03 | +http://siteexplorer.info/ |
| 11 | 614 | 1.01 | 62 | 0.35 | +http://www.semrush.com/bot.html |
| 12 | 390 | 0.64 | 30 | 0.17 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 203 | 0.33 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 14 | 157 | 0.26 | 14 | 0.08 | +spider@seoscanners.net |
| 15 | 109 | 0.18 | 53 | 0.30 | Windows 95 |
| 16 | 106 | 0.17 | 17 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 89 | 0.15 | 34 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 40 | 0.07 | 28 | 0.16 | Windows 98 |
| 19 | 36 | 0.06 | 7 | 0.04 | http://www.opensiteexplorer.org/dotbot, ... |
| 20 | 34 | 0.06 | 31 | 0.18 | +http://www.xovibot.net/ |
| 21 | 30 | 0.05 | 14 | 0.08 | Windows 2000 |
| 22 | 30 | 0.05 | 14 | 0.08 | Windows XP |
| 23 | 27 | 0.04 | 13 | 0.07 | +http://www.exabot.com/go/robot |
| 24 | 25 | 0.04 | 3 | 0.02 | +http://www.seokicks.de/robot.html |
| 25 | 20 | 0.03 | 7 | 0.04 | Windows CE |
| 26 | 19 | 0.03 | 0 | 0.00 | Windows 92 |
| 27 | 13 | 0.02 | 11 | 0.06 | Auto; Windows |
| 28 | 12 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 29 | 11 | 0.02 | 5 | 0.03 | Windows 3.1 |
| 30 | 11 | 0.02 | 10 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 31 | 10 | 0.02 | 10 | 0.06 | Windows ME |
| 32 | 10 | 0.02 | 9 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 33 | 10 | 0.02 | 5 | 0.03 | +http://duckduckgo.com |
| 34 | 8 | 0.01 | 8 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 35 | 4 | 0.01 | 4 | 0.02 | +http://www.uptime.com/uptimebot |
| 36 | 2 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 37 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 38 | 2 | 0.00 | 1 | 0.01 | +http://domainsigma.com/robot |
| 39 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 40 | 1 | 0.00 | 1 | 0.01 | +https://rankval.com |
| 41 | 1 | 0.00 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 42 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
