| Used Operating Systems |
| 1 | 4260 | 25.80 | 302 | 6.44 | http://www.opensiteexplorer.org/dotbot, ... |
| 2 | 2842 | 17.21 | 1091 | 23.28 | Windows NT |
| 3 | 2527 | 15.30 | 137 | 2.92 | +http://yandex.com/bots |
| 4 | 2250 | 13.63 | 1898 | 40.49 | +http://www.baidu.com/search/spider.html |
| 5 | 1451 | 8.79 | 473 | 10.09 | +http://www.bing.com/bingbot.htm |
| 6 | 1157 | 7.01 | 170 | 3.63 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 810 | 4.91 | 280 | 5.97 | +http://www.google.com/bot.html |
| 8 | 228 | 1.38 | 32 | 0.68 | +http://www.semrush.com/bot.html |
| 9 | 175 | 1.06 | 19 | 0.41 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 104 | 0.63 | 15 | 0.32 | +http://ahrefs.com/robot/ |
| 11 | 88 | 0.53 | 56 | 1.19 | Windows 95 |
| 12 | 82 | 0.50 | 31 | 0.66 | Windows XP |
| 13 | 77 | 0.47 | 26 | 0.55 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 48 | 0.29 | 4 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 15 | 48 | 0.29 | 6 | 0.13 | +http://www.seokicks.de/robot.html |
| 16 | 48 | 0.29 | 31 | 0.66 | Windows 98 |
| 17 | 35 | 0.21 | 5 | 0.11 | +http://webmeup-crawler.com/ |
| 18 | 32 | 0.19 | 2 | 0.04 | +https://www.aihitdata.com/about |
| 19 | 27 | 0.16 | 9 | 0.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 24 | 0.15 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 21 | 23 | 0.14 | 11 | 0.23 | ) - BrowseX (2.0.0 Windows |
| 22 | 22 | 0.13 | 2 | 0.04 | +http://megaindex.com/crawler |
| 23 | 18 | 0.11 | 6 | 0.13 | +http://www.exabot.com/go/robot |
| 24 | 17 | 0.10 | 12 | 0.26 | Auto; Windows |
| 25 | 16 | 0.10 | 12 | 0.26 | MSIE 5.5; Windows NT 5.0 |
| 26 | 15 | 0.09 | 4 | 0.09 | +http://siteexplorer.info/ |
| 27 | 14 | 0.08 | 12 | 0.26 | Windows CE |
| 28 | 13 | 0.08 | 8 | 0.17 | Windows ME |
| 29 | 12 | 0.07 | 9 | 0.19 | Windows 3.1 |
| 30 | 10 | 0.06 | 1 | 0.02 | Linux i686 [unknown version] |
| 31 | 6 | 0.04 | 4 | 0.09 | Windows 2000 |
| 32 | 5 | 0.03 | 4 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 33 | 4 | 0.02 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 34 | 4 | 0.02 | 2 | 0.04 | +http://duckduckgo.com |
| 35 | 3 | 0.02 | 1 | 0.02 | +http://www.linkdex.com/bots/ |
| 36 | 3 | 0.02 | 2 | 0.04 | +info@netcraft.com |
| 37 | 3 | 0.02 | 2 | 0.04 | +http://www.uptime.com/uptimebot |
| 38 | 2 | 0.01 | 2 | 0.04 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 39 | 2 | 0.01 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 40 | 2 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 41 | 2 | 0.01 | 0 | 0.00 | MAUI Runtime |
| 42 | 2 | 0.01 | 1 | 0.02 | +http://domainsigma.com/robot |
| 43 | 1 | 0.01 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 44 | 1 | 0.01 | 1 | 0.02 | X11 |
