| Used Operating Systems |
| 1 | 3009 | 19.22 | 1614 | 32.00 | Windows NT |
| 2 | 2585 | 16.51 | 1556 | 30.85 | +http://www.baidu.com/search/spider.html |
| 3 | 2220 | 14.18 | 92 | 1.82 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 2026 | 12.94 | 768 | 15.23 | +http://www.easou.com/search/spider.html |
| 5 | 763 | 4.87 | 137 | 2.72 | +http://yandex.com/bots |
| 6 | 738 | 4.71 | 199 | 3.95 | +http://www.google.com/bot.html |
| 7 | 677 | 4.32 | 270 | 5.35 | +http://www.bing.com/bingbot.htm |
| 8 | 638 | 4.08 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 9 | 600 | 3.83 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 10 | 450 | 2.87 | 125 | 2.48 | +http://ahrefs.com/robot/ |
| 11 | 430 | 2.75 | 4 | 0.08 | +http://www.warebay.com/bot.html |
| 12 | 352 | 2.25 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 13 | 346 | 2.21 | 117 | 2.32 | +http://www.linkdex.com/bots/ |
| 14 | 245 | 1.57 | 32 | 0.63 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 135 | 0.86 | 3 | 0.06 | http://www.lipperhey.com/ |
| 16 | 131 | 0.84 | 31 | 0.61 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 89 | 0.57 | 24 | 0.48 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 50 | 0.32 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 19 | 41 | 0.26 | 16 | 0.32 | +http://www.exabot.com/go/robot |
| 20 | 30 | 0.19 | 14 | 0.28 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 29 | 0.19 | 3 | 0.06 | +http://siteexplorer.info/ |
| 22 | 18 | 0.11 | 9 | 0.18 | +http://www.career-x.de/bot.html |
| 23 | 12 | 0.08 | 10 | 0.20 | +http://wmaid.com/explore/ |
| 24 | 10 | 0.06 | 3 | 0.06 | +http://mydownloadengine.com |
| 25 | 5 | 0.03 | 1 | 0.02 | +http://overx50.com |
| 26 | 4 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 27 | 3 | 0.02 | 1 | 0.02 | +http://downloaflare.biz |
| 28 | 3 | 0.02 | 1 | 0.02 | Windows 98 |
| 29 | 3 | 0.02 | 1 | 0.02 | +http://inload.me |
| 30 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 31 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 32 | 2 | 0.01 | 2 | 0.04 | +http://www.xovibot.net/ |
| 33 | 2 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 34 | 1 | 0.01 | 1 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 35 | 1 | 0.01 | 1 | 0.02 | Linux [unknown version] |
| 36 | 1 | 0.01 | 1 | 0.02 | Macintosh |
| 37 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
