| Used Operating Systems |
| 1 | 9597 | 38.74 | 4684 | 62.33 | Windows NT |
| 2 | 4673 | 18.86 | 113 | 1.50 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2405 | 9.71 | 12 | 0.16 | +http://OpenLinkProfiler.org/bot |
| 4 | 2081 | 8.40 | 185 | 2.46 | +http://yandex.com/bots |
| 5 | 1863 | 7.52 | 1688 | 22.46 | +http://www.baidu.com/search/spider.html |
| 6 | 1800 | 7.27 | 447 | 5.95 | +http://www.google.com/bot.html |
| 7 | 804 | 3.25 | 200 | 2.66 | +http://www.bing.com/bingbot.htm |
| 8 | 513 | 2.07 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 9 | 510 | 2.06 | 4 | 0.05 | +http://www.warebay.com/bot.html |
| 10 | 172 | 0.69 | 56 | 0.75 | +http://www.linkdex.com/bots/ |
| 11 | 70 | 0.28 | 40 | 0.53 | X11 |
| 12 | 55 | 0.22 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 51 | 0.21 | 10 | 0.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 39 | 0.16 | 20 | 0.27 | Android 2.3.5 |
| 15 | 29 | 0.12 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 16 | 20 | 0.08 | 10 | 0.13 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 14 | 0.06 | 1 | 0.01 | +http://tryload.in |
| 18 | 9 | 0.04 | 7 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 19 | 9 | 0.04 | 3 | 0.04 | Windows 98 |
| 20 | 8 | 0.03 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 21 | 7 | 0.03 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 22 | 7 | 0.03 | 6 | 0.08 | +info@netcraft.com |
| 23 | 6 | 0.02 | 2 | 0.03 | +http://getdownload.ws |
| 24 | 5 | 0.02 | 5 | 0.07 | Windows 95 |
| 25 | 4 | 0.02 | 2 | 0.03 | +http://help.coccoc.com/ |
| 26 | 4 | 0.02 | 3 | 0.04 | Windows ME |
| 27 | 3 | 0.01 | 1 | 0.01 | +http://overx50.com/ |
| 28 | 2 | 0.01 | 2 | 0.03 | Windows 2000 |
| 29 | 2 | 0.01 | 1 | 0.01 | +http://www.seodiver.com/bot |
| 30 | 2 | 0.01 | 2 | 0.03 | +http://wmaid.com/explore/ |
| 31 | 2 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 33 | 1 | 0.00 | 1 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 34 | 1 | 0.00 | 0 | 0.00 | Windows XP |
| 35 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 36 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 37 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 38 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 39 | 1 | 0.00 | 1 | 0.01 | MirrorDetector |
| 40 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
