| Used Operating Systems by Visits |
| 1 | 11253 | 25.79 | 1601 | 24.19 | Windows NT |
| 2 | 7624 | 17.47 | 1533 | 23.16 | +http://www.bing.com/bingbot.htm |
| 3 | 1797 | 4.12 | 1148 | 17.35 | +http://ahrefs.com/robot/ |
| 4 | 2707 | 6.20 | 1017 | 15.37 | +http://www.google.com/bot.html |
| 5 | 1043 | 2.39 | 284 | 4.29 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 2005 | 4.60 | 279 | 4.22 | +http://yandex.com/bots |
| 7 | 554 | 1.27 | 215 | 3.25 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 191 | 0.44 | 90 | 1.36 | +http://www.exabot.com/go/robot |
| 9 | 1396 | 3.20 | 82 | 1.24 | Windows 98 |
| 10 | 214 | 0.49 | 77 | 1.16 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 4851 | 11.12 | 73 | 1.10 | Linux i686 [unknown version] |
| 12 | 121 | 0.28 | 27 | 0.41 | +http://fulltext.sblog.cz/ |
| 13 | 97 | 0.22 | 21 | 0.32 | Windows 95 |
| 14 | 1375 | 3.15 | 20 | 0.30 | +http://OpenLinkProfiler.org/bot |
| 15 | 1234 | 2.83 | 15 | 0.23 | +http://www.baidu.com/search/spider.html |
| 16 | 19 | 0.04 | 14 | 0.21 | Linux [unknown version] |
| 17 | 15 | 0.03 | 13 | 0.20 | +info@netcraft.com |
| 18 | 79 | 0.18 | 13 | 0.20 | +http://wmaid.com/explore/ |
| 19 | 1020 | 2.34 | 9 | 0.14 | http://crawler.sistrix.net/ |
| 20 | 107 | 0.25 | 7 | 0.11 | http://help.zum.com/inquiry |
| 21 | 33 | 0.08 | 7 | 0.11 | Windows 3.1 |
| 22 | 464 | 1.06 | 6 | 0.09 | http://crawler.007ac9.net/ |
| 23 | 20 | 0.05 | 5 | 0.08 | +http://filterdb.iss.net/crawler/ |
| 24 | 15 | 0.03 | 4 | 0.06 | Windows CE |
| 25 | 12 | 0.03 | 4 | 0.06 | Auto; Windows |
| 26 | 11 | 0.03 | 4 | 0.06 | +http://www.proximic.com/info/spider.php |
| 27 | 12 | 0.03 | 4 | 0.06 | Windows XP |
| 28 | 18 | 0.04 | 4 | 0.06 | Windows ME |
| 29 | 4 | 0.01 | 4 | 0.06 | +http://www.loadtime.net/bot.html |
| 30 | 30 | 0.07 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 31 | 2940 | 6.74 | 3 | 0.05 | crawler@goodzer.com |
| 32 | 3 | 0.01 | 3 | 0.05 | Intel Mac OS X 10.6 |
| 33 | 82 | 0.19 | 2 | 0.03 | Android |
| 34 | 24 | 0.06 | 2 | 0.03 | +http://www.profound.net/urlappendbot.ht... |
| 35 | 888 | 2.04 | 2 | 0.03 | +http://www.linkpad.ru |
| 36 | 18 | 0.04 | 2 | 0.03 | +http://downloaflare.biz |
| 37 | 31 | 0.07 | 2 | 0.03 | Windows Phone OS 7.5 |
| 38 | 162 | 0.37 | 2 | 0.03 | Windows 99 |
| 39 | 24 | 0.06 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 40 | 42 | 0.10 | 2 | 0.03 | +http://inload.in |
| 41 | 60 | 0.14 | 2 | 0.03 | +http://fulltext.sblog.cz/screenshot/ |
| 42 | 42 | 0.10 | 2 | 0.03 | +http://freedlf.com/ |
| 43 | 12 | 0.03 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 44 | 4 | 0.01 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 45 | 2 | 0.00 | 1 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 46 | 12 | 0.03 | 1 | 0.02 | +http://getdownload.ws |
| 47 | 49 | 0.11 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 48 | 803 | 1.84 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 49 | 56 | 0.13 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 50 | 3 | 0.01 | 0 | 0.00 | Windows 2000 |
| 51 | 4 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 52 | 18 | 0.04 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 53 | 3 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 54 | 18 | 0.04 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 55 | 2 | 0.00 | 0 | 0.00 | X11 |
| 56 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 57 | 4 | 0.01 | 0 | 0.00 | Android 2.3.5 |
