| Used Operating Systems |
| 1 | 16125 | 54.97 | 119 | 1.83 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5573 | 19.00 | 1288 | 19.85 | Windows NT |
| 3 | 5236 | 17.85 | 4181 | 64.42 | +http://www.baidu.com/search/spider.html |
| 4 | 800 | 2.73 | 351 | 5.41 | +http://www.google.com/bot.html |
| 5 | 641 | 2.19 | 229 | 3.53 | +http://www.bing.com/bingbot.htm |
| 6 | 254 | 0.87 | 26 | 0.40 | +http://yandex.com/bots |
| 7 | 215 | 0.73 | 42 | 0.65 | +http://www.linkdex.com/bots/ |
| 8 | 97 | 0.33 | 44 | 0.68 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 93 | 0.32 | 31 | 0.48 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 41 | 0.14 | 22 | 0.34 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 39 | 0.13 | 39 | 0.60 | http://www.openfos.com |
| 12 | 39 | 0.13 | 39 | 0.60 | http://www.topicway.com |
| 13 | 22 | 0.07 | 12 | 0.18 | http://www.bing.com/bingbot.htm |
| 14 | 22 | 0.07 | 11 | 0.17 | +http://duckduckgo.com |
| 15 | 15 | 0.05 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 16 | 15 | 0.05 | 8 | 0.12 | +http://www.exabot.com/go/robot |
| 17 | 14 | 0.05 | 7 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 14 | 0.05 | 3 | 0.05 | +http://fulltext.sblog.cz/ |
| 19 | 13 | 0.04 | 8 | 0.12 | +http://ahrefs.com/robot/ |
| 20 | 13 | 0.04 | 2 | 0.03 | Linux [unknown version] |
| 21 | 13 | 0.04 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 22 | 12 | 0.04 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 23 | 6 | 0.02 | 4 | 0.06 | +https://gimmeusa.com/pages/crawler |
| 24 | 3 | 0.01 | 3 | 0.05 | Linux i686 [unknown version] |
| 25 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 26 | 2 | 0.01 | 1 | 0.02 | +https://deusu.de/robot.html |
| 27 | 2 | 0.01 | 2 | 0.03 | +http://www.domaintuno.com/robot |
| 28 | 2 | 0.01 | 2 | 0.03 | Windows 95 |
| 29 | 2 | 0.01 | 2 | 0.03 | Windows 98 |
| 30 | 2 | 0.01 | 2 | 0.03 | Linux i586 [unknown version] |
| 31 | 1 | 0.00 | 1 | 0.02 | OpenBSD [unknown version] |
| 32 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 33 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 35 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 36 | 1 | 0.00 | 1 | 0.02 | +http://domainmacro.com |
| 37 | 1 | 0.00 | 1 | 0.02 | +http://www.xovibot.net/ |
| 38 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |