| Used Operating Systems |
| 1 | 5330 | 55.55 | 1412 | 33.69 | Windows NT |
| 2 | 2136 | 22.26 | 1925 | 45.93 | +http://www.baidu.com/search/spider.html |
| 3 | 569 | 5.93 | 335 | 7.99 | +http://www.google.com/bot.html |
| 4 | 547 | 5.70 | 248 | 5.92 | +http://www.bing.com/bingbot.htm |
| 5 | 148 | 1.54 | 46 | 1.10 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 120 | 1.25 | 33 | 0.79 | +http://yandex.com/bots |
| 7 | 100 | 1.04 | 8 | 0.19 | Windows 92 |
| 8 | 93 | 0.97 | 43 | 1.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 77 | 0.80 | 42 | 1.00 | +http://ahrefs.com/robot/ |
| 10 | 51 | 0.53 | 25 | 0.60 | +http://www.exabot.com/go/robot |
| 11 | 47 | 0.49 | 4 | 0.10 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 12 | 40 | 0.42 | 5 | 0.12 | http://www.searchmetrics.com/en/searchme... |
| 13 | 37 | 0.39 | 16 | 0.38 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 32 | 0.33 | 4 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 15 | 28 | 0.29 | 3 | 0.07 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 16 | 26 | 0.27 | 2 | 0.05 | +http://webmeup-crawler.com/ |
| 17 | 24 | 0.25 | 2 | 0.05 | VRE |
| 18 | 22 | 0.23 | 2 | 0.05 | http://www.lipperhey.com/ |
| 19 | 20 | 0.21 | 2 | 0.05 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 20 | 14 | 0.15 | 2 | 0.05 | webcrawler at wise-guys dot nl; http://w... |
| 21 | 14 | 0.15 | 2 | 0.05 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 22 | 14 | 0.15 | 2 | 0.05 | Intel Mac OS X 10.6 |
| 23 | 12 | 0.13 | 2 | 0.05 | +http://www.linkpad.ru |
| 24 | 12 | 0.13 | 1 | 0.02 | Windows 90 |
| 25 | 8 | 0.08 | 4 | 0.10 | http://crawler.sistrix.net/ |
| 26 | 7 | 0.07 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 27 | 7 | 0.07 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 28 | 7 | 0.07 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 29 | 6 | 0.06 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 30 | 5 | 0.05 | 1 | 0.02 | J2ME/MIDP |
| 31 | 4 | 0.04 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 32 | 4 | 0.04 | 2 | 0.05 | +http://www.netseer.com/crawler.html; cr... |
| 33 | 4 | 0.04 | 4 | 0.10 | +http://www.xovibot.net/ |
| 34 | 4 | 0.04 | 2 | 0.05 | +http://prlog.ru/ |
| 35 | 4 | 0.04 | 2 | 0.05 | ScoutJet; +http://blekko.com/about/blekk... |
| 36 | 4 | 0.04 | 0 | 0.00 | +http://siteexplorer.info/ |
| 37 | 3 | 0.03 | 1 | 0.02 | +info@netcraft.com |
| 38 | 2 | 0.02 | 0 | 0.00 | webcrawler at wise-guys dot nl; http://w... |
| 39 | 2 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 40 | 2 | 0.02 | 0 | 0.00 | Win32 |
| 41 | 2 | 0.02 | 2 | 0.05 | +http://fb02itsscan.fh-muenster.de |
| 42 | 2 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 43 | 1 | 0.01 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 44 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 45 | 1 | 0.01 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 46 | 1 | 0.01 | 1 | 0.02 | Windows 98 |
| 47 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
