| Used Operating Systems |
| 1 | 8381 | 39.87 | 4516 | 41.72 | Windows NT |
| 2 | 4415 | 21.00 | 4195 | 38.75 | +http://www.baidu.com/search/spider.html |
| 3 | 1983 | 9.43 | 81 | 0.75 | +http://yandex.com/bots |
| 4 | 1263 | 6.01 | 645 | 5.96 | +http://www.google.com/bot.html |
| 5 | 1085 | 5.16 | 420 | 3.88 | +http://www.bing.com/bingbot.htm |
| 6 | 991 | 4.71 | 197 | 1.82 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 921 | 4.38 | 112 | 1.03 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 495 | 2.35 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 9 | 246 | 1.17 | 87 | 0.80 | +http://www.linkdex.com/bots/ |
| 10 | 231 | 1.10 | 214 | 1.98 | +http://www.easou.com/search/spider.html |
| 11 | 124 | 0.59 | 5 | 0.05 | Android |
| 12 | 120 | 0.57 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 13 | 117 | 0.56 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 14 | 110 | 0.52 | 93 | 0.86 | +http://ahrefs.com/robot/ |
| 15 | 85 | 0.40 | 35 | 0.32 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 64 | 0.30 | 34 | 0.31 | +http://www.proximic.com/info/spider.php |
| 17 | 59 | 0.28 | 6 | 0.06 | Windows Phone OS 7.5 |
| 18 | 49 | 0.23 | 29 | 0.27 | X11 |
| 19 | 42 | 0.20 | 26 | 0.24 | Linux [unknown version] |
| 20 | 38 | 0.18 | 16 | 0.15 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 23 | 0.11 | 2 | 0.02 | J2ME/MIDP |
| 22 | 19 | 0.09 | 11 | 0.10 | +http://www.exabot.com/go/robot |
| 23 | 16 | 0.08 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 24 | 16 | 0.08 | 11 | 0.10 | Android 2.3.5 |
| 25 | 14 | 0.07 | 13 | 0.12 | Windows 98 |
| 26 | 13 | 0.06 | 13 | 0.12 | Windows 95 |
| 27 | 9 | 0.04 | 1 | 0.01 | MTK |
| 28 | 8 | 0.04 | 4 | 0.04 | http://crawler.sistrix.net/ |
| 29 | 8 | 0.04 | 4 | 0.04 | +http://help.coccoc.com/ |
| 30 | 7 | 0.03 | 7 | 0.06 | Windows XP |
| 31 | 6 | 0.03 | 6 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 32 | 5 | 0.02 | 1 | 0.01 | +http://tryload.in |
| 33 | 5 | 0.02 | 0 | 0.00 | MAUI Runtime |
| 34 | 5 | 0.02 | 1 | 0.01 | Android 2.3.4 |
| 35 | 4 | 0.02 | 4 | 0.04 | Auto; Windows |
| 36 | 4 | 0.02 | 2 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 37 | 4 | 0.02 | 4 | 0.04 | Windows ME |
| 38 | 4 | 0.02 | 4 | 0.04 | Windows 3.1 |
| 39 | 4 | 0.02 | 4 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 40 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 41 | 3 | 0.01 | 3 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 42 | 3 | 0.01 | 1 | 0.01 | +http://downloaflare.biz |
| 43 | 2 | 0.01 | 2 | 0.02 | Windows 2000 |
| 44 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 2 | 0.01 | 2 | 0.02 | Linux i686 [unknown version] |
| 46 | 2 | 0.01 | 2 | 0.02 | +http://wmaid.com/explore/ |
| 47 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 48 | 2 | 0.01 | 0 | 0.00 | Windows Phone OS 7.0 |
| 49 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; Zango 4.4.81 |
| 50 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 51 | 1 | 0.00 | 1 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 52 | 1 | 0.00 | 0 | 0.00 | Trident/6.0; Windows NT 4.1;GB; Crazy Br... |
| 53 | 1 | 0.00 | 1 | 0.01 | +http://gimme60.com |
| 54 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 55 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
