| Used Operating Systems |
| 1 | 3189 | 20.27 | 368 | 5.63 | http://www.opensiteexplorer.org/dotbot, ... |
| 2 | 3076 | 19.55 | 1596 | 24.41 | Windows NT |
| 3 | 2974 | 18.90 | 2501 | 38.25 | +http://www.baidu.com/search/spider.html |
| 4 | 2359 | 14.99 | 40 | 0.61 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 858 | 5.45 | 541 | 8.27 | +http://www.bing.com/bingbot.htm |
| 6 | 776 | 4.93 | 199 | 3.04 | +http://yandex.com/bots |
| 7 | 610 | 3.88 | 419 | 6.41 | +http://www.google.com/bot.html |
| 8 | 534 | 3.39 | 418 | 6.39 | +http://www.easou.com/search/spider.html |
| 9 | 512 | 3.25 | 4 | 0.06 | +http://www.warebay.com/bot.html |
| 10 | 289 | 1.84 | 104 | 1.59 | +http://www.linkdex.com/bots/ |
| 11 | 262 | 1.67 | 203 | 3.10 | +http://ahrefs.com/robot/ |
| 12 | 93 | 0.59 | 60 | 0.92 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 56 | 0.36 | 28 | 0.43 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 28 | 0.18 | 14 | 0.21 | +http://www.meanpath.com/meanpathbot.htm... |
| 15 | 23 | 0.15 | 11 | 0.17 | +http://www.exabot.com/go/robot |
| 16 | 8 | 0.05 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 17 | 8 | 0.05 | 7 | 0.11 | +info@netcraft.com |
| 18 | 7 | 0.04 | 4 | 0.06 | Linux i686 [unknown version] |
| 19 | 7 | 0.04 | 2 | 0.03 | +http://siteexplorer.info/ |
| 20 | 6 | 0.04 | 3 | 0.05 | http://crawler.sistrix.net/ |
| 21 | 6 | 0.04 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 22 | 6 | 0.04 | 3 | 0.05 | +http://help.coccoc.com/ |
| 23 | 6 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 24 | 5 | 0.03 | 1 | 0.02 | +http://overx50.com |
| 25 | 5 | 0.03 | 0 | 0.00 | Linux [unknown version] |
| 26 | 4 | 0.03 | 0 | 0.00 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 27 | 4 | 0.03 | 4 | 0.06 | +http://www.xovibot.net/ |
| 28 | 3 | 0.02 | 0 | 0.00 | Android |
| 29 | 3 | 0.02 | 1 | 0.02 | +http://downloaflare.biz |
| 30 | 3 | 0.02 | 1 | 0.02 | Windows 90 |
| 31 | 3 | 0.02 | 1 | 0.02 | +http://mydownloadengine.com |
| 32 | 3 | 0.02 | 1 | 0.02 | +http://inload.me |
| 33 | 2 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 34 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 35 | 1 | 0.01 | 1 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 36 | 1 | 0.01 | 1 | 0.02 | Linux i586 [unknown version] |
| 37 | 1 | 0.01 | 1 | 0.02 | Windows 98 |
