| Used Operating Systems |
| 1 | 1676 | 23.22 | 1144 | 32.05 | Windows NT |
| 2 | 1550 | 21.47 | 1376 | 38.55 | +http://www.baidu.com/search/spider.html |
| 3 | 851 | 11.79 | 67 | 1.88 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 823 | 11.40 | 200 | 5.60 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 502 | 6.95 | 251 | 7.03 | +http://www.bing.com/bingbot.htm |
| 6 | 458 | 6.34 | 147 | 4.12 | +http://yandex.com/bots |
| 7 | 424 | 5.87 | 3 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 8 | 346 | 4.79 | 151 | 4.23 | +http://www.google.com/bot.html |
| 9 | 153 | 2.12 | 56 | 1.57 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 109 | 1.51 | 86 | 2.41 | +http://ahrefs.com/robot/ |
| 11 | 76 | 1.05 | 36 | 1.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 66 | 0.91 | 2 | 0.06 | +http://endb-consolidated.aihit.com/ |
| 13 | 56 | 0.78 | 2 | 0.06 | http://www.lipperhey.com/ |
| 14 | 44 | 0.61 | 3 | 0.08 | +http://siteexplorer.info/ |
| 15 | 16 | 0.22 | 8 | 0.22 | +http://www.exabot.com/go/robot |
| 16 | 12 | 0.17 | 10 | 0.28 | +http://wmaid.com/explore/ |
| 17 | 10 | 0.14 | 10 | 0.28 | +http://www.easou.com/search/spider.html |
| 18 | 8 | 0.11 | 4 | 0.11 | +http://fulltext.sblog.cz/ |
| 19 | 6 | 0.08 | 2 | 0.06 | +http://inload.in |
| 20 | 5 | 0.07 | 0 | 0.00 | Linux [unknown version] |
| 21 | 5 | 0.07 | 1 | 0.03 | +http://freedlf.com/ |
| 22 | 4 | 0.06 | 0 | 0.00 | Macintosh PPC |
| 23 | 4 | 0.06 | 2 | 0.06 | +info@netcraft.com |
| 24 | 4 | 0.06 | 2 | 0.06 | +http://www.semrush.com/bot.html |
| 25 | 4 | 0.06 | 2 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 3 | 0.04 | 2 | 0.06 | Windows 98 |
| 27 | 2 | 0.03 | 2 | 0.06 | +http://136.186.231.16 |
| 28 | 2 | 0.03 | 0 | 0.00 | PPC Mac OS X Mach-O |
