| Used Operating Systems |
| 1 | 38459 | 49.82 | 271 | 5.54 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 15471 | 20.04 | 190 | 3.88 | +http://yandex.com/bots |
| 3 | 13076 | 16.94 | 1881 | 38.42 | Windows NT |
| 4 | 2410 | 3.12 | 276 | 5.64 | +http://ahrefs.com/robot/ |
| 5 | 2115 | 2.74 | 1543 | 31.52 | +http://www.baidu.com/search/spider.html |
| 6 | 1233 | 1.60 | 264 | 5.39 | +http://www.google.com/bot.html |
| 7 | 1070 | 1.39 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 8 | 1038 | 1.34 | 2 | 0.04 | +http://webmeup-crawler.com/ |
| 9 | 711 | 0.92 | 195 | 3.98 | +http://www.bing.com/bingbot.htm |
| 10 | 386 | 0.50 | 97 | 1.98 | +http://www.linkdex.com/bots/ |
| 11 | 289 | 0.37 | 52 | 1.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 250 | 0.32 | 12 | 0.25 | +http://fulltext.sblog.cz/ |
| 13 | 240 | 0.31 | 45 | 0.92 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 92 | 0.12 | 0 | 0.00 | Linux i686 [unknown version] |
| 15 | 72 | 0.09 | 0 | 0.00 | Solaris 9.x |
| 16 | 68 | 0.09 | 2 | 0.04 | +http://www.linkpad.ru |
| 17 | 68 | 0.09 | 2 | 0.04 | +http://fulltext.sblog.cz/screenshot/ |
| 18 | 30 | 0.04 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 19 | 20 | 0.03 | 10 | 0.20 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 16 | 0.02 | 6 | 0.12 | +http://www.exabot.com/go/robot |
| 21 | 14 | 0.02 | 6 | 0.12 | http://www.bing.com/bingbot.htm |
| 22 | 14 | 0.02 | 4 | 0.08 | +http://www.xovibot.net/ |
| 23 | 9 | 0.01 | 9 | 0.18 | Windows 95 |
| 24 | 8 | 0.01 | 4 | 0.08 | +http://duckduckgo.com |
| 25 | 6 | 0.01 | 4 | 0.08 | Windows 3.1 |
| 26 | 4 | 0.01 | 4 | 0.08 | Windows 2000 |
| 27 | 4 | 0.01 | 4 | 0.08 | +info@netcraft.com |
| 28 | 3 | 0.00 | 1 | 0.02 | Windows XP |
| 29 | 3 | 0.00 | 3 | 0.06 | Windows ME |
| 30 | 3 | 0.00 | 3 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 31 | 2 | 0.00 | 0 | 0.00 | OSF1 V5.1 alpha |
| 32 | 2 | 0.00 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 33 | 2 | 0.00 | 0 | 0.00 | Windows 98 |
| 34 | 2 | 0.00 | 1 | 0.02 | +http://advbot.org/bot.html |
| 35 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
