| Used Operating Systems |
| 1 | 15444 | 51.21 | 221 | 4.30 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4802 | 15.92 | 2658 | 51.76 | Windows NT |
| 3 | 2697 | 8.94 | 5 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 4 | 2453 | 8.13 | 585 | 11.39 | +http://ahrefs.com/robot/ |
| 5 | 2033 | 6.74 | 677 | 13.18 | +http://www.google.com/bot.html |
| 6 | 1003 | 3.33 | 1 | 0.02 | http://crawler.007ac9.net/ |
| 7 | 503 | 1.67 | 467 | 9.09 | +http://www.baidu.com/search/spider.html |
| 8 | 461 | 1.53 | 153 | 2.98 | +http://yandex.com/bots |
| 9 | 253 | 0.84 | 93 | 1.81 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 240 | 0.80 | 82 | 1.60 | +http://www.linkdex.com/bots/ |
| 11 | 77 | 0.26 | 39 | 0.76 | +http://www.bing.com/bingbot.htm |
| 12 | 47 | 0.16 | 42 | 0.82 | Windows 95 |
| 13 | 16 | 0.05 | 16 | 0.31 | +http://www.200please.com/bot |
| 14 | 16 | 0.05 | 3 | 0.06 | Windows 98 |
| 15 | 14 | 0.05 | 14 | 0.27 | Windows CE |
| 16 | 12 | 0.04 | 6 | 0.12 | +http://help.coccoc.com/ |
| 17 | 12 | 0.04 | 11 | 0.21 | MSIE 5.5; Windows NT 5.0 |
| 18 | 12 | 0.04 | 6 | 0.12 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 10 | 0.03 | 10 | 0.19 | Linux [unknown version] |
| 20 | 10 | 0.03 | 9 | 0.18 | Linux i686 [unknown version] |
| 21 | 8 | 0.03 | 8 | 0.16 | Windows 3.1 |
| 22 | 8 | 0.03 | 8 | 0.16 | Linux i586 [unknown version] |
| 23 | 6 | 0.02 | 6 | 0.12 | Windows 2000 |
| 24 | 6 | 0.02 | 2 | 0.04 | http://filterdb.iss.net/crawler/ |
| 25 | 5 | 0.02 | 3 | 0.06 | Windows XP |
| 26 | 5 | 0.02 | 5 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 27 | 2 | 0.01 | 2 | 0.04 | Windows ME |
| 28 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 29 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 30 | 1 | 0.00 | 1 | 0.02 | X11 |
