| Used Operating Systems |
| 1 | 1880 | 26.61 | 1771 | 53.50 | +http://www.baidu.com/search/spider.html |
| 2 | 1520 | 21.51 | 360 | 10.88 | +http://www.bing.com/bingbot.htm |
| 3 | 1079 | 15.27 | 39 | 1.18 | +http://yandex.com/bots |
| 4 | 1002 | 14.18 | 685 | 20.69 | Windows NT |
| 5 | 594 | 8.41 | 179 | 5.41 | +http://www.google.com/bot.html |
| 6 | 266 | 3.76 | 2 | 0.06 | http://crawler.007ac9.net/ |
| 7 | 189 | 2.67 | 75 | 2.27 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 152 | 2.15 | 40 | 1.21 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 88 | 1.25 | 30 | 0.91 | +http://ahrefs.com/robot/ |
| 10 | 78 | 1.10 | 74 | 2.24 | +http://www.easou.com/search/spider.html |
| 11 | 67 | 0.95 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 12 | 32 | 0.45 | 1 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 13 | 32 | 0.45 | 13 | 0.39 | http://www.majestic12.co.uk/bot.php?+ |
| 14 | 21 | 0.30 | 9 | 0.27 | +http://www.exabot.com/go/robot |
| 15 | 12 | 0.17 | 6 | 0.18 | http://crawler.sistrix.net/ |
| 16 | 9 | 0.13 | 3 | 0.09 | +http://getdownload.ws |
| 17 | 7 | 0.10 | 5 | 0.15 | +http://wmaid.com/explore/ |
| 18 | 6 | 0.08 | 2 | 0.06 | +http://downloaflare.biz |
| 19 | 4 | 0.06 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 20 | 4 | 0.06 | 2 | 0.06 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 21 | 4 | 0.06 | 2 | 0.06 | +info@netcraft.com |
| 22 | 4 | 0.06 | 3 | 0.09 | +http://gimme60.com |
| 23 | 4 | 0.06 | 2 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 3 | 0.04 | 1 | 0.03 | Windows CE |
| 25 | 3 | 0.04 | 0 | 0.00 | Linux 2.4.x |
| 26 | 3 | 0.04 | 1 | 0.03 | Windows ME |
| 27 | 1 | 0.01 | 1 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 28 | 1 | 0.01 | 1 | 0.03 | Windows 98 |
| 29 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
