| Used Operating Systems |
| 1 | 968 | 60.35 | 41 | 11.65 | Windows NT |
| 2 | 265 | 16.52 | 134 | 38.07 | +http://www.google.com/bot.html |
| 3 | 188 | 11.72 | 151 | 42.90 | +http://www.easou.com/search/spider.html |
| 4 | 81 | 5.05 | 0 | 0.00 | +http://www.bing.com/bingbot.htm |
| 5 | 10 | 0.62 | 2 | 0.57 | Intel Mac OS X 10.5 |
| 6 | 10 | 0.62 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 7 | 10 | 0.62 | 0 | 0.00 | Linux [unknown version] |
| 8 | 9 | 0.56 | 5 | 1.42 | +http://wmaid.com/explore/ |
| 9 | 8 | 0.50 | 4 | 1.14 | +http://fulltext.sblog.cz/ |
| 10 | 6 | 0.37 | 0 | 0.00 | Macintosh PPC |
| 11 | 6 | 0.37 | 0 | 0.00 | Linux 2.4.x |
| 12 | 6 | 0.37 | 2 | 0.57 | +http://downloaflare.biz |
| 13 | 5 | 0.31 | 5 | 1.42 | Linux i686 [unknown version] |
| 14 | 4 | 0.25 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 4 | 0.25 | 2 | 0.57 | http://crawler.sistrix.net/ |
| 16 | 4 | 0.25 | 0 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 17 | 4 | 0.25 | 2 | 0.57 | +info@netcraft.com |
| 18 | 4 | 0.25 | 0 | 0.00 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 2 | 0.12 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 20 | 2 | 0.12 | 0 | 0.00 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 21 | 2 | 0.12 | 2 | 0.57 | Windows 98 |
| 22 | 2 | 0.12 | 2 | 0.57 | +http://www.baidu.com/search/spider.html |
| 23 | 2 | 0.12 | 0 | 0.00 | +http://www.exabot.com/go/robot |
| 24 | 1 | 0.06 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 1 | 0.06 | 0 | 0.00 | PPC Mac OS X Mach-O |
