| Used Operating Systems |
| 1 | 16211 | 54.32 | 1902 | 30.74 | Windows NT |
| 2 | 7379 | 24.73 | 441 | 7.13 | ezooms.bot@gmail.com |
| 3 | 2890 | 9.68 | 2564 | 41.44 | +http://www.baidu.com/search/spider.html |
| 4 | 804 | 2.69 | 260 | 4.20 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 670 | 2.25 | 266 | 4.30 | +http://www.google.com/bot.html |
| 6 | 538 | 1.80 | 103 | 1.66 | +http://yandex.com/bots |
| 7 | 383 | 1.28 | 127 | 2.05 | +http://www.bing.com/bingbot.htm |
| 8 | 324 | 1.09 | 322 | 5.20 | http://www.yodao.com/help/webmaster/spid... |
| 9 | 136 | 0.46 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
| 10 | 73 | 0.24 | 36 | 0.58 | +http://ahrefs.com/robot/ |
| 11 | 69 | 0.23 | 23 | 0.37 | +http://shoulu.jike.com/spider.html |
| 12 | 40 | 0.13 | 19 | 0.31 | Windows 95 |
| 13 | 40 | 0.13 | 20 | 0.32 | +http://www.career-x.de/bot.html |
| 14 | 30 | 0.10 | 4 | 0.06 | +http://go.mail.ru/help/robots |
| 15 | 30 | 0.10 | 12 | 0.19 | +http://www.exabot.com/go/robot |
| 16 | 28 | 0.09 | 1 | 0.02 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 17 | 28 | 0.09 | 2 | 0.03 | +http://fulltext.sblog.cz/screenshot/ |
| 18 | 27 | 0.09 | 12 | 0.19 | Windows 98 |
| 19 | 22 | 0.07 | 21 | 0.34 | MSIE 5.5; Windows NT 5.0 |
| 20 | 18 | 0.06 | 9 | 0.15 | http://crawler.sistrix.net/ |
| 21 | 16 | 0.05 | 4 | 0.06 | MirrorDetector; +http://yandex.com/bots |
| 22 | 14 | 0.05 | 7 | 0.11 | Auto; Windows |
| 23 | 14 | 0.05 | 6 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 8 | 0.03 | 4 | 0.06 | Windows 2000 |
| 25 | 8 | 0.03 | 2 | 0.03 | Windows 3.1 |
| 26 | 6 | 0.02 | 3 | 0.05 | Windows CE |
| 27 | 6 | 0.02 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 28 | 6 | 0.02 | 2 | 0.03 | crawler@unister.de |
| 29 | 6 | 0.02 | 4 | 0.06 | Macintosh |
| 30 | 4 | 0.01 | 2 | 0.03 | Linux [unknown version] |
| 31 | 4 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 32 | 4 | 0.01 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 33 | 2 | 0.01 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 34 | 2 | 0.01 | 1 | 0.02 | Windows XP |
| 35 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 36 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
