| Used Operating Systems |
| 1 | 20481 | 46.60 | 213 | 2.61 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 13966 | 31.78 | 4462 | 54.73 | Windows NT |
| 3 | 2389 | 5.44 | 186 | 2.28 | +http://yandex.com/bots |
| 4 | 2327 | 5.30 | 2036 | 24.97 | +http://www.baidu.com/search/spider.html |
| 5 | 1321 | 3.01 | 9 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 6 | 1111 | 2.53 | 210 | 2.58 | +http://www.bing.com/bingbot.htm |
| 7 | 1103 | 2.51 | 559 | 6.86 | +http://www.google.com/bot.html |
| 8 | 537 | 1.22 | 179 | 2.20 | +http://www.linkdex.com/bots/ |
| 9 | 123 | 0.28 | 80 | 0.98 | Windows 95 |
| 10 | 110 | 0.25 | 10 | 0.12 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 79 | 0.18 | 8 | 0.10 | Windows 98 |
| 12 | 43 | 0.10 | 4 | 0.05 | X11 |
| 13 | 42 | 0.10 | 20 | 0.25 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 34 | 0.08 | 23 | 0.28 | Windows 3.1 |
| 15 | 28 | 0.06 | 6 | 0.07 | Android 2.3.5 |
| 16 | 26 | 0.06 | 13 | 0.16 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 22 | 0.05 | 17 | 0.21 | Windows ME |
| 18 | 21 | 0.05 | 0 | 0.00 | Windows XP |
| 19 | 21 | 0.05 | 18 | 0.22 | MSIE 5.5; Windows NT 4.0 |
| 20 | 19 | 0.04 | 18 | 0.22 | Windows 2000 |
| 21 | 18 | 0.04 | 18 | 0.22 | MSIE 5.5; Windows NT 5.0 |
| 22 | 16 | 0.04 | 15 | 0.18 | ) - BrowseX (2.0.0 Windows |
| 23 | 13 | 0.03 | 12 | 0.15 | Windows CE |
| 24 | 12 | 0.03 | 12 | 0.15 | Auto; Windows |
| 25 | 11 | 0.03 | 10 | 0.12 | +info@netcraft.com |
| 26 | 10 | 0.02 | 0 | 0.00 | Android |
| 27 | 9 | 0.02 | 0 | 0.00 | FreeBSD [unknown version] |
| 28 | 8 | 0.02 | 2 | 0.02 | +http://uni5download.com |
| 29 | 7 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 30 | 6 | 0.01 | 2 | 0.02 | Wayback Machine Live Record; +http://arc... |
| 31 | 6 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 32 | 5 | 0.01 | 1 | 0.01 | +http://overx50.com |
| 33 | 4 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 34 | 4 | 0.01 | 2 | 0.02 | +http://help.coccoc.com/ |
| 35 | 4 | 0.01 | 2 | 0.02 | +http://wmaid.com/explore/ |
| 36 | 3 | 0.01 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 37 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 38 | 2 | 0.00 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 39 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 40 | 1 | 0.00 | 1 | 0.01 | +http://136.186.231.16 |
| 41 | 1 | 0.00 | 1 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 42 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
