| Used Operating Systems |
| 1 | 5445 | 35.24 | 120 | 2.65 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5151 | 33.34 | 1311 | 28.95 | Windows NT |
| 3 | 1994 | 12.91 | 1796 | 39.66 | +http://www.baidu.com/search/spider.html |
| 4 | 1684 | 10.90 | 845 | 18.66 | +http://www.google.com/bot.html |
| 5 | 728 | 4.71 | 324 | 7.15 | +http://www.bing.com/bingbot.htm |
| 6 | 136 | 0.88 | 43 | 0.95 | +http://yandex.com/bots |
| 7 | 39 | 0.25 | 16 | 0.35 | +http://www.linkdex.com/bots/ |
| 8 | 33 | 0.21 | 13 | 0.29 | +http://www.exabot.com/go/robot |
| 9 | 28 | 0.18 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 10 | 26 | 0.17 | 6 | 0.13 | +http://siteexplorer.info/ |
| 11 | 22 | 0.14 | 10 | 0.22 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 22 | 0.14 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 13 | 21 | 0.14 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 14 | 18 | 0.12 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 15 | 16 | 0.10 | 8 | 0.18 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 13 | 0.08 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 17 | 10 | 0.06 | 2 | 0.04 | +http://overx50.com |
| 18 | 8 | 0.05 | 4 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 7 | 0.05 | 1 | 0.02 | Linux [unknown version] |
| 20 | 6 | 0.04 | 3 | 0.07 | +http://wmaid.com/explore/ |
| 21 | 6 | 0.04 | 2 | 0.04 | +http://inload.me |
| 22 | 4 | 0.03 | 1 | 0.02 | +http://uni5download.com |
| 23 | 4 | 0.03 | 4 | 0.09 | +http://fb02itsscan.fh-muenster.de |
| 24 | 4 | 0.03 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 25 | 3 | 0.02 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 26 | 3 | 0.02 | 1 | 0.02 | +http://downloaflare.biz |
| 27 | 3 | 0.02 | 2 | 0.04 | +info@netcraft.com |
| 28 | 3 | 0.02 | 2 | 0.04 | Windows 98 |
| 29 | 3 | 0.02 | 1 | 0.02 | +http://mydownloadengine.com |
| 30 | 2 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 31 | 2 | 0.01 | 2 | 0.04 | +http://gimme60.com |
| 32 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 33 | 1 | 0.01 | 1 | 0.02 | Windows 95 |
| 34 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 35 | 1 | 0.01 | 1 | 0.02 | X11 |
| 36 | 1 | 0.01 | 1 | 0.02 | +http://www.xovibot.net/ |
