| Used Operating Systems |
| 1 | 24704 | 42.26 | 60 | 0.93 | +http://ahrefs.com/robot/ |
| 2 | 22397 | 38.32 | 220 | 3.41 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4970 | 8.50 | 3485 | 54.03 | +http://www.baidu.com/search/spider.html |
| 4 | 2547 | 4.36 | 1575 | 24.42 | Windows NT |
| 5 | 1332 | 2.28 | 348 | 5.40 | +http://www.bing.com/bingbot.htm |
| 6 | 997 | 1.71 | 36 | 0.56 | +http://yandex.com/bots |
| 7 | 468 | 0.80 | 197 | 3.05 | +http://www.google.com/bot.html |
| 8 | 260 | 0.44 | 219 | 3.40 | +http://www.linkdex.com/bots/ |
| 9 | 218 | 0.37 | 60 | 0.93 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 93 | 0.16 | 34 | 0.53 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 80 | 0.14 | 2 | 0.03 | WinHttp.WinHttpRequest.5 |
| 12 | 53 | 0.09 | 30 | 0.47 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 39 | 0.07 | 39 | 0.60 | +http://monasterytea.spbdyet.ru |
| 14 | 32 | 0.05 | 8 | 0.12 | +http://fulltext.sblog.cz/ |
| 15 | 30 | 0.05 | 3 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 16 | 28 | 0.05 | 24 | 0.37 | +http://www.xovibot.net/ |
| 17 | 24 | 0.04 | 9 | 0.14 | +http://help.coccoc.com/ |
| 18 | 23 | 0.04 | 23 | 0.36 | +http://warifort.moykrest.ru |
| 19 | 20 | 0.03 | 17 | 0.26 | Windows 95 |
| 20 | 20 | 0.03 | 5 | 0.08 | Windows 98 |
| 21 | 16 | 0.03 | 8 | 0.12 | +http://www.meanpath.com/meanpathbot.htm... |
| 22 | 16 | 0.03 | 6 | 0.09 | +http://duckduckgo.com |
| 23 | 10 | 0.02 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 24 | 9 | 0.02 | 1 | 0.02 | crawler@mixrank.com |
| 25 | 9 | 0.02 | 2 | 0.03 | Windows XP |
| 26 | 8 | 0.01 | 8 | 0.12 | +http://warifort.moykrest.ru/ |
| 27 | 8 | 0.01 | 4 | 0.06 | X11 |
| 28 | 8 | 0.01 | 3 | 0.05 | +http://www.exabot.com/go/robot |
| 29 | 6 | 0.01 | 4 | 0.06 | Linux [unknown version] |
| 30 | 4 | 0.01 | 1 | 0.02 | Android 2.3.5 |
| 31 | 3 | 0.01 | 3 | 0.05 | Windows ME |
| 32 | 3 | 0.01 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 33 | 2 | 0.00 | 2 | 0.03 | +https://gimmeusa.com/pages/crawler |
| 34 | 2 | 0.00 | 2 | 0.03 | Windows 2000 |
| 35 | 2 | 0.00 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 36 | 2 | 0.00 | 2 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 37 | 2 | 0.00 | 2 | 0.03 | Windows 3.1 |
| 38 | 2 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 39 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 40 | 2 | 0.00 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
