| Used Operating Systems |
| 1 | 35746 | 29.17 | 294 | 1.25 | http://mj12bot.com/ |
| 2 | 35639 | 29.09 | 837 | 3.55 | +http://yandex.com/bots |
| 3 | 26285 | 21.45 | 17362 | 73.65 | +http://ahrefs.com/robot/ |
| 4 | 11519 | 9.40 | 1270 | 5.39 | Windows NT |
| 5 | 2973 | 2.43 | 15 | 0.06 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 2718 | 2.22 | 2294 | 9.73 | +http://www.baidu.com/search/spider.html |
| 7 | 2146 | 1.75 | 482 | 2.04 | +http://www.linkdex.com/bots/ |
| 8 | 1526 | 1.25 | 306 | 1.30 | +http://www.google.com/bot.html |
| 9 | 1450 | 1.18 | 372 | 1.58 | +http://www.bing.com/bingbot.htm |
| 10 | 650 | 0.53 | 35 | 0.15 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 256 | 0.21 | 1 | 0.00 | +http://megaindex.com/crawler |
| 12 | 250 | 0.20 | 1 | 0.00 | Linux i586 [unknown version] |
| 13 | 230 | 0.19 | 20 | 0.08 | +http://www.semrush.com/bot.html |
| 14 | 218 | 0.18 | 12 | 0.05 | +spider@seoscanners.net |
| 15 | 203 | 0.17 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 16 | 161 | 0.13 | 8 | 0.03 | +http://siteexplorer.info/Backlink-Check... |
| 17 | 145 | 0.12 | 83 | 0.35 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 89 | 0.07 | 30 | 0.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 48 | 0.04 | 12 | 0.05 | +http://www.profound.net/domainappender |
| 20 | 47 | 0.04 | 17 | 0.07 | Windows XP |
| 21 | 36 | 0.03 | 4 | 0.02 | +http://www.seokicks.de/robot.html |
| 22 | 31 | 0.03 | 31 | 0.13 | +http://www.uptime.com/uptimebot |
| 23 | 23 | 0.02 | 14 | 0.06 | Windows 95 |
| 24 | 21 | 0.02 | 12 | 0.05 | Windows 98 |
| 25 | 18 | 0.01 | 7 | 0.03 | Windows ME |
| 26 | 16 | 0.01 | 8 | 0.03 | +http://www.exabot.com/go/robot |
| 27 | 15 | 0.01 | 9 | 0.04 | +http://sur.ly/bot.html |
| 28 | 12 | 0.01 | 8 | 0.03 | Windows CE |
| 29 | 12 | 0.01 | 5 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 30 | 8 | 0.01 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 31 | 8 | 0.01 | 4 | 0.02 | +http://duckduckgo.com |
| 32 | 7 | 0.01 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 33 | 5 | 0.00 | 1 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 5 | 0.00 | 2 | 0.01 | Windows 3.1 |
| 35 | 3 | 0.00 | 2 | 0.01 | Windows 2000 |
| 36 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 37 | 2 | 0.00 | 2 | 0.01 | Auto; Windows |
| 38 | 2 | 0.00 | 1 | 0.00 | http://www.botje.com/plukkie.htm |
| 39 | 1 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 40 | 1 | 0.00 | 1 | 0.00 | X11 |
| 41 | 1 | 0.00 | 1 | 0.00 | FreeBSD [unknown version] |
| 42 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
