| Used Operating Systems |
| 1 | 9119 | 27.07 | 209 | 5.08 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8536 | 25.34 | 2902 | 70.59 | Windows NT |
| 3 | 7230 | 21.47 | 16 | 0.39 | +https://www.megaindex.ru/?tab=linkAnaly... |
| 4 | 2006 | 5.96 | 2 | 0.05 | http://crawler.007ac9.net/ |
| 5 | 1987 | 5.90 | 4 | 0.10 | +http://webmeup-crawler.com/ |
| 6 | 1352 | 4.01 | 4 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 7 | 1206 | 3.58 | 455 | 11.07 | +http://www.baidu.com/search/spider.html |
| 8 | 894 | 2.65 | 126 | 3.06 | +http://www.google.com/bot.html |
| 9 | 410 | 1.22 | 103 | 2.51 | +http://www.linkdex.com/bots/ |
| 10 | 336 | 1.00 | 71 | 1.73 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 200 | 0.59 | 2 | 0.05 | Linux i586 [unknown version] |
| 12 | 84 | 0.25 | 44 | 1.07 | +http://www.bing.com/bingbot.htm |
| 13 | 62 | 0.18 | 10 | 0.24 | +http://yandex.com/bots |
| 14 | 46 | 0.14 | 31 | 0.75 | +http://www.seograph.net/bot.html |
| 15 | 38 | 0.11 | 35 | 0.85 | Linux i686 [unknown version] |
| 16 | 30 | 0.09 | 16 | 0.39 | Windows 95 |
| 17 | 21 | 0.06 | 21 | 0.51 | Linux [unknown version] |
| 18 | 20 | 0.06 | 14 | 0.34 | J2ME/MIDP |
| 19 | 17 | 0.05 | 10 | 0.24 | Windows 98 |
| 20 | 14 | 0.04 | 13 | 0.32 | X11 |
| 21 | 12 | 0.04 | 5 | 0.12 | Windows 2000 |
| 22 | 12 | 0.04 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 23 | 10 | 0.03 | 5 | 0.12 | Windows CE |
| 24 | 9 | 0.03 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 25 | 6 | 0.02 | 3 | 0.07 | Windows 3.1 |
| 26 | 4 | 0.01 | 1 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 27 | 4 | 0.01 | 1 | 0.02 | Windows XP |
| 28 | 4 | 0.01 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 29 | 4 | 0.01 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 30 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 31 | 2 | 0.01 | 0 | 0.00 | Macintosh |
| 32 | 2 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 33 | 2 | 0.01 | 2 | 0.05 | PPC Mac OS X Mach-O |
