| Used Operating Systems |
| 1 | 6052 | 38.00 | 152 | 2.88 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3178 | 19.95 | 1591 | 30.12 | Windows NT |
| 3 | 2677 | 16.81 | 2168 | 41.05 | +http://www.baidu.com/search/spider.html |
| 4 | 965 | 6.06 | 475 | 8.99 | +http://www.bing.com/bingbot.htm |
| 5 | 710 | 4.46 | 220 | 4.17 | +http://www.google.com/bot.html |
| 6 | 417 | 2.62 | 79 | 1.50 | +http://yandex.com/bots |
| 7 | 259 | 1.63 | 84 | 1.59 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 253 | 1.59 | 99 | 1.87 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 245 | 1.54 | 72 | 1.36 | +http://www.linkdex.com/bots/ |
| 10 | 195 | 1.22 | 128 | 2.42 | +http://ahrefs.com/robot/ |
| 11 | 105 | 0.66 | 7 | 0.13 | http://www.searchmetrics.com/en/searchme... |
| 12 | 91 | 0.57 | 59 | 1.12 | +http://www.easou.com/search/spider.html |
| 13 | 89 | 0.56 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 14 | 80 | 0.50 | 2 | 0.04 | +http://fulltext.sblog.cz/ |
| 15 | 69 | 0.43 | 27 | 0.51 | +http://www.exabot.com/go/robot |
| 16 | 64 | 0.40 | 2 | 0.04 | +http://www.aihitdata.com/about |
| 17 | 62 | 0.39 | 30 | 0.57 | +http://www.semrush.com/bot.html |
| 18 | 54 | 0.34 | 6 | 0.11 | +https://www.mojeek.com/bot.html |
| 19 | 46 | 0.29 | 2 | 0.04 | http://filterdb.iss.net/crawler/ |
| 20 | 41 | 0.26 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 21 | 29 | 0.18 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 22 | 28 | 0.18 | 8 | 0.15 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 27 | 0.17 | 5 | 0.09 | +http://gimme60.com |
| 24 | 24 | 0.15 | 1 | 0.02 | +http://www.linkpad.ru |
| 25 | 22 | 0.14 | 2 | 0.04 | crawler@mixrank.com |
| 26 | 20 | 0.13 | 10 | 0.19 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 17 | 0.11 | 1 | 0.02 | http://www.lipperhey.com/ |
| 28 | 14 | 0.09 | 7 | 0.13 | +http://www.xovibot.net/ |
| 29 | 13 | 0.08 | 3 | 0.06 | +http://corp.sputnik.ru/webmaster |
| 30 | 8 | 0.05 | 2 | 0.04 | +http://u2search.co |
| 31 | 8 | 0.05 | 2 | 0.04 | +http://prox100download.com |
| 32 | 8 | 0.05 | 8 | 0.15 | +http://domainsigma.com/robot |
| 33 | 6 | 0.04 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 34 | 6 | 0.04 | 4 | 0.08 | Windows 98 |
| 35 | 4 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 4 | 0.03 | 2 | 0.04 | Windows 95 |
| 37 | 4 | 0.03 | 2 | 0.04 | +info@netcraft.com |
| 38 | 4 | 0.03 | 1 | 0.02 | +http://t2downloads.xyz |
| 39 | 4 | 0.03 | 1 | 0.02 | X11 |
| 40 | 4 | 0.03 | 0 | 0.00 | +http://siteexplorer.info/ |
| 41 | 4 | 0.03 | 1 | 0.02 | +http://r4downloads.co |
| 42 | 3 | 0.02 | 3 | 0.06 | +http://fb02itsscan.fh-muenster.de |
| 43 | 3 | 0.02 | 3 | 0.06 | Linux [unknown version] |
| 44 | 3 | 0.02 | 3 | 0.06 | Linux i686 [unknown version] |
| 45 | 3 | 0.02 | 1 | 0.02 | +http://alphaphitote.com |
| 46 | 2 | 0.01 | 2 | 0.04 | +http://wmaid.com/en/explore/ |
| 47 | 2 | 0.01 | 2 | 0.04 | +; |
| 48 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 49 | 1 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
