| Used Operating Systems |
| 1 | 13415 | 28.84 | 171 | 2.14 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 10326 | 22.20 | 4316 | 54.04 | Windows NT |
| 3 | 6529 | 14.04 | 389 | 4.87 | +http://www.bing.com/bingbot.htm |
| 4 | 5017 | 10.79 | 5 | 0.06 | http://crawler.007ac9.net/ |
| 5 | 2551 | 5.48 | 17 | 0.21 | +http://www.warebay.com/bot.html |
| 6 | 2224 | 4.78 | 1481 | 18.54 | +http://www.baidu.com/search/spider.html |
| 7 | 1410 | 3.03 | 21 | 0.26 | +http://OpenLinkProfiler.org/bot |
| 8 | 880 | 1.89 | 196 | 2.45 | +http://yandex.com/bots |
| 9 | 771 | 1.66 | 160 | 2.00 | +http://ahrefs.com/robot/ |
| 10 | 715 | 1.54 | 193 | 2.42 | +http://www.linkdex.com/bots/ |
| 11 | 577 | 1.24 | 210 | 2.63 | +http://www.google.com/bot.html |
| 12 | 452 | 0.97 | 98 | 1.23 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 401 | 0.86 | 2 | 0.03 | +https://www.megaindex.ru/?tab=linkAnaly... |
| 14 | 268 | 0.58 | 228 | 2.85 | Windows 95 |
| 15 | 137 | 0.29 | 31 | 0.39 | Windows 98 |
| 16 | 112 | 0.24 | 34 | 0.43 | Linux i686 [unknown version] |
| 17 | 61 | 0.13 | 23 | 0.29 | +http://www.exabot.com/go/robot |
| 18 | 55 | 0.12 | 46 | 0.58 | Windows CE |
| 19 | 55 | 0.12 | 49 | 0.61 | MSIE 5.5; Windows NT 5.0 |
| 20 | 54 | 0.12 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 21 | 53 | 0.11 | 52 | 0.65 | Windows 2000 |
| 22 | 48 | 0.10 | 13 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 23 | 48 | 0.10 | 7 | 0.09 | Windows XP |
| 24 | 47 | 0.10 | 18 | 0.23 | Linux [unknown version] |
| 25 | 46 | 0.10 | 43 | 0.54 | Windows ME |
| 26 | 46 | 0.10 | 43 | 0.54 | MSIE 5.5; Windows NT 4.0 |
| 27 | 41 | 0.09 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 28 | 39 | 0.08 | 36 | 0.45 | Windows 3.1 |
| 29 | 34 | 0.07 | 32 | 0.40 | ) - BrowseX (2.0.0 Windows |
| 30 | 28 | 0.06 | 25 | 0.31 | Auto; Windows |
| 31 | 15 | 0.03 | 15 | 0.19 | Linux i586 [unknown version] |
| 32 | 12 | 0.03 | 6 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 8 | 0.02 | 7 | 0.09 | +info@netcraft.com |
| 34 | 6 | 0.01 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 35 | 6 | 0.01 | 5 | 0.06 | +http://domainsigma.com/robot |
| 36 | 5 | 0.01 | 2 | 0.03 | +http://www.seograph.net/bot.html |
| 37 | 5 | 0.01 | 5 | 0.06 | actually this is http://ismyblogworking.... |
| 38 | 4 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 39 | 3 | 0.01 | 2 | 0.03 | Android 2.3.5 |
| 40 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 2 | 0.00 | 1 | 0.01 | X11 |
| 42 | 1 | 0.00 | 1 | 0.01 | webcrawler at wise-guys dot nl; http://w... |
| 43 | 1 | 0.00 | 0 | 0.00 | webcrawler at wise-guys dot nl; http://w... |
| 44 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 45 | 1 | 0.00 | 1 | 0.01 | OpenBSD [unknown version] |
| 46 | 1 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
