| Used Operating Systems |
| 1 | 6552 | 35.52 | 163 | 2.80 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5183 | 28.10 | 2138 | 36.79 | Windows NT |
| 3 | 2750 | 14.91 | 2224 | 38.27 | +http://www.baidu.com/search/spider.html |
| 4 | 980 | 5.31 | 267 | 4.59 | +http://www.google.com/bot.html |
| 5 | 841 | 4.56 | 445 | 7.66 | +http://www.bing.com/bingbot.htm |
| 6 | 315 | 1.71 | 106 | 1.82 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 271 | 1.47 | 88 | 1.51 | +http://www.linkdex.com/bots/ |
| 8 | 258 | 1.40 | 57 | 0.98 | +http://yandex.com/bots |
| 9 | 234 | 1.27 | 90 | 1.55 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 160 | 0.87 | 4 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 11 | 118 | 0.64 | 8 | 0.14 | +http://fulltext.sblog.cz/ |
| 12 | 90 | 0.49 | 6 | 0.10 | http://www.searchmetrics.com/en/searchme... |
| 13 | 89 | 0.48 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 14 | 88 | 0.48 | 59 | 1.02 | +http://www.easou.com/search/spider.html |
| 15 | 61 | 0.33 | 19 | 0.33 | +http://www.exabot.com/go/robot |
| 16 | 60 | 0.33 | 32 | 0.55 | +http://ahrefs.com/robot/ |
| 17 | 50 | 0.27 | 2 | 0.03 | http://crawler.007ac9.net/ |
| 18 | 50 | 0.27 | 25 | 0.43 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 46 | 0.25 | 2 | 0.03 | http://filterdb.iss.net/crawler/ |
| 20 | 44 | 0.24 | 20 | 0.34 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 32 | 0.17 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 22 | 31 | 0.17 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 23 | 23 | 0.12 | 4 | 0.07 | +http://gimme60.com |
| 24 | 19 | 0.10 | 16 | 0.28 | +http://www.xovibot.net/ |
| 25 | 12 | 0.07 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 26 | 8 | 0.04 | 2 | 0.03 | +http://mono.name |
| 27 | 8 | 0.04 | 2 | 0.03 | +http://plus5files.net |
| 28 | 8 | 0.04 | 3 | 0.05 | +http://wmaid.com/en/explore/ |
| 29 | 8 | 0.04 | 0 | 0.00 | +http://siteexplorer.info/ |
| 30 | 6 | 0.03 | 5 | 0.09 | +http://www.semrush.com/bot.html |
| 31 | 6 | 0.03 | 2 | 0.03 | X11 |
| 32 | 6 | 0.03 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 33 | 6 | 0.03 | 4 | 0.07 | Windows 98 |
| 34 | 4 | 0.02 | 1 | 0.02 | +http://getdownload.ws |
| 35 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 4 | 0.02 | 1 | 0.02 | +http://galaxydownloads.co |
| 37 | 4 | 0.02 | 1 | 0.02 | +http://r4downloads.co |
| 38 | 3 | 0.02 | 3 | 0.05 | +http://fb02itsscan.fh-muenster.de |
| 39 | 3 | 0.02 | 3 | 0.05 | Linux [unknown version] |
| 40 | 3 | 0.02 | 3 | 0.05 | Linux i686 [unknown version] |
| 41 | 2 | 0.01 | 1 | 0.02 | OS/2 |
| 42 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 43 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 44 | 1 | 0.01 | 1 | 0.02 | Windows 95 |
| 45 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 46 | 1 | 0.01 | 1 | 0.02 | +http://domainsigma.com/robot |
