| Used Operating Systems |
| 1 | 12496 | 56.08 | 3998 | 63.61 | Windows NT |
| 2 | 2487 | 11.16 | 206 | 3.28 | +http://www.bing.com/bingbot.htm |
| 3 | 2031 | 9.12 | 294 | 4.68 | +http://www.google.com/bot.html |
| 4 | 1746 | 7.84 | 39 | 0.62 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1690 | 7.58 | 1378 | 21.93 | +http://www.baidu.com/search/spider.html |
| 6 | 611 | 2.74 | 68 | 1.08 | Windows 98 |
| 7 | 240 | 1.08 | 69 | 1.10 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 194 | 0.87 | 21 | 0.33 | +http://yandex.com/bots |
| 9 | 128 | 0.57 | 11 | 0.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 90 | 0.40 | 34 | 0.54 | +http://www.linkdex.com/bots/ |
| 11 | 88 | 0.39 | 1 | 0.02 | MAUI Runtime |
| 12 | 77 | 0.35 | 13 | 0.21 | +http://ahrefs.com/robot/ |
| 13 | 58 | 0.26 | 1 | 0.02 | Series 60 |
| 14 | 58 | 0.26 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 15 | 35 | 0.16 | 33 | 0.53 | Windows 95 |
| 16 | 27 | 0.12 | 1 | 0.02 | Android |
| 17 | 24 | 0.11 | 19 | 0.30 | MSIE 5.5; Windows NT 5.0 |
| 18 | 21 | 0.09 | 10 | 0.16 | +http://www.exabot.com/go/robot |
| 19 | 19 | 0.09 | 8 | 0.13 | +http://fulltext.sblog.cz/ |
| 20 | 18 | 0.08 | 3 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 12 | 0.05 | 6 | 0.10 | +http://help.coccoc.com/ |
| 22 | 10 | 0.04 | 10 | 0.16 | Windows 2000 |
| 23 | 10 | 0.04 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 24 | 9 | 0.04 | 3 | 0.05 | +http://www.profound.net/urlappendbot.ht... |
| 25 | 9 | 0.04 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 26 | 9 | 0.04 | 8 | 0.13 | Windows XP |
| 27 | 8 | 0.04 | 7 | 0.11 | Windows CE |
| 28 | 7 | 0.03 | 7 | 0.11 | Windows 3.1 |
| 29 | 7 | 0.03 | 4 | 0.06 | +http://wmaid.com/explore/ |
| 30 | 6 | 0.03 | 3 | 0.05 | http://crawler.sistrix.net/ |
| 31 | 6 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 32 | 6 | 0.03 | 3 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 5 | 0.02 | 4 | 0.06 | Linux i686 [unknown version] |
| 34 | 4 | 0.02 | 4 | 0.06 | Windows ME |
| 35 | 4 | 0.02 | 0 | 0.00 | Android 2.3.5 |
| 36 | 4 | 0.02 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 37 | 3 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 38 | 3 | 0.01 | 1 | 0.02 | +http://getdownload.ws |
| 39 | 3 | 0.01 | 2 | 0.03 | +http://www.loadtime.net/bot.html |
| 40 | 3 | 0.01 | 1 | 0.02 | +http://overx50.com/ |
| 41 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 42 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 44 | 2 | 0.01 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 45 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 46 | 2 | 0.01 | 2 | 0.03 | X11 |
| 47 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 48 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 49 | 1 | 0.00 | 1 | 0.02 | +http://136.186.231.16 |
