| Used Operating Systems |
| 1 | 17695 | 57.11 | 215 | 2.63 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4045 | 13.05 | 3443 | 42.18 | +http://www.baidu.com/search/spider.html |
| 3 | 3452 | 11.14 | 1906 | 23.35 | +http://www.google.com/bot.html |
| 4 | 2410 | 7.78 | 1697 | 20.79 | Windows NT |
| 5 | 1112 | 3.59 | 215 | 2.63 | +http://yandex.com/bots |
| 6 | 794 | 2.56 | 263 | 3.22 | +http://ahrefs.com/robot/ |
| 7 | 573 | 1.85 | 171 | 2.09 | +http://www.bing.com/bingbot.htm |
| 8 | 142 | 0.46 | 11 | 0.13 | +http://fulltext.sblog.cz/ |
| 9 | 138 | 0.45 | 2 | 0.02 | J2ME/MIDP |
| 10 | 100 | 0.32 | 74 | 0.91 | +http://www.linkdex.com/bots/ |
| 11 | 72 | 0.23 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 52 | 0.17 | 16 | 0.20 | +http://www.exabot.com/go/robot |
| 13 | 42 | 0.14 | 7 | 0.09 | http://www.searchmetrics.com/en/searchme... |
| 14 | 42 | 0.14 | 6 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 15 | 26 | 0.08 | 11 | 0.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 21 | 0.07 | 19 | 0.23 | Windows 95 |
| 17 | 21 | 0.07 | 7 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 20 | 0.06 | 2 | 0.02 | +http://www.linkpad.ru |
| 19 | 20 | 0.06 | 4 | 0.05 | +http://www.profound.net/domainappender |
| 20 | 18 | 0.06 | 8 | 0.10 | +http://www.semrush.com/bot.html |
| 21 | 16 | 0.05 | 2 | 0.02 | +http://www.similartech.com/smtbot |
| 22 | 16 | 0.05 | 8 | 0.10 | +http://help.coccoc.com/ |
| 23 | 15 | 0.05 | 5 | 0.06 | +http://www.findxbot.com |
| 24 | 14 | 0.05 | 2 | 0.02 | http://www.lipperhey.com/ |
| 25 | 14 | 0.05 | 3 | 0.04 | Windows 98 |
| 26 | 13 | 0.04 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 27 | 12 | 0.04 | 3 | 0.04 | http://filterdb.iss.net/crawler/ |
| 28 | 11 | 0.04 | 8 | 0.10 | Windows 2000 |
| 29 | 9 | 0.03 | 7 | 0.09 | Windows 3.1 |
| 30 | 8 | 0.03 | 5 | 0.06 | Windows ME |
| 31 | 8 | 0.03 | 6 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 32 | 8 | 0.03 | 2 | 0.02 | +http://downloadg5.com |
| 33 | 8 | 0.03 | 8 | 0.10 | +http://domainsigma.com/robot |
| 34 | 6 | 0.02 | 6 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 35 | 5 | 0.02 | 5 | 0.06 | Windows CE |
| 36 | 5 | 0.02 | 2 | 0.02 | Windows XP |
| 37 | 5 | 0.02 | 4 | 0.05 | +info@netcraft.com |
| 38 | 4 | 0.01 | 1 | 0.01 | +http://prlog.ru/ |
| 39 | 4 | 0.01 | 2 | 0.02 | +http://gimme60.com |
| 40 | 4 | 0.01 | 2 | 0.02 | +http://advbot.org/bot.html |
| 41 | 2 | 0.01 | 2 | 0.02 | +http://www.wmtips.com/tools/ |
| 42 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 43 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 44 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
