| Used Operating Systems |
| 1 | 5358 | 38.48 | 192 | 4.00 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2633 | 18.91 | 2187 | 45.55 | +http://www.baidu.com/search/spider.html |
| 3 | 2617 | 18.79 | 1221 | 25.43 | Windows NT |
| 4 | 1112 | 7.99 | 479 | 9.98 | +http://www.bing.com/bingbot.htm |
| 5 | 621 | 4.46 | 293 | 6.10 | +http://www.google.com/bot.html |
| 6 | 319 | 2.29 | 53 | 1.10 | +http://yandex.com/bots |
| 7 | 278 | 2.00 | 79 | 1.65 | +http://www.linkdex.com/bots/ |
| 8 | 136 | 0.98 | 51 | 1.06 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 115 | 0.83 | 42 | 0.87 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 94 | 0.68 | 3 | 0.06 | +http://fulltext.sblog.cz/ |
| 11 | 80 | 0.57 | 5 | 0.10 | +http://siteexplorer.info/ |
| 12 | 62 | 0.45 | 46 | 0.96 | +http://ahrefs.com/robot/ |
| 13 | 62 | 0.45 | 22 | 0.46 | +http://www.semrush.com/bot.html |
| 14 | 52 | 0.37 | 21 | 0.44 | +http://help.coccoc.com/ |
| 15 | 46 | 0.33 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 16 | 42 | 0.30 | 19 | 0.40 | +http://www.exabot.com/go/robot |
| 17 | 28 | 0.20 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 18 | 25 | 0.18 | 2 | 0.04 | Linux i686 [unknown version] |
| 19 | 24 | 0.17 | 12 | 0.25 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 22 | 0.16 | 2 | 0.04 | +http://www.seokicks.de/robot.html |
| 21 | 21 | 0.15 | 1 | 0.02 | +http://fulltext.sblog.cz/screenshot/ |
| 22 | 20 | 0.14 | 7 | 0.15 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 20 | 0.14 | 2 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 24 | 18 | 0.13 | 5 | 0.10 | +https://www.mojeek.com/bot.html |
| 25 | 18 | 0.13 | 10 | 0.21 | +http://www.xovibot.net/ |
| 26 | 18 | 0.13 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 27 | 12 | 0.09 | 12 | 0.25 | +http://www.domaintuno.com/robot |
| 28 | 8 | 0.06 | 2 | 0.04 | +http://alphaphitote.com |
| 29 | 8 | 0.06 | 2 | 0.04 | +http://r4downloads.co |
| 30 | 6 | 0.04 | 6 | 0.12 | +http://pmoz.info/doc/botinfo.htm |
| 31 | 6 | 0.04 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 32 | 6 | 0.04 | 2 | 0.04 | +http://prox100download.com |
| 33 | 6 | 0.04 | 4 | 0.08 | +info@netcraft.com |
| 34 | 4 | 0.03 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 35 | 4 | 0.03 | 1 | 0.02 | +http://u2search.co |
| 36 | 4 | 0.03 | 4 | 0.08 | Windows 98 |
| 37 | 3 | 0.02 | 1 | 0.02 | +http://getdownload.ws |
| 38 | 3 | 0.02 | 1 | 0.02 | +http://plus5files.net |
| 39 | 3 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 40 | 2 | 0.01 | 2 | 0.04 | +http://fb02itsscan.fh-muenster.de |
| 41 | 2 | 0.01 | 2 | 0.04 | Linux [unknown version] |
| 42 | 2 | 0.01 | 0 | 0.00 | Macintosh |
| 43 | 1 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 44 | 1 | 0.01 | 1 | 0.02 | +http://www.loadtime.net/bot.html |
| 45 | 1 | 0.01 | 1 | 0.02 | +http://wmaid.com/en/explore/ |
| 46 | 1 | 0.01 | 0 | 0.00 | +http://www.wevika.de/ |
