| Used Operating Systems |
| 1 | 3004 | 26.07 | 959 | 22.64 | +http://www.google.com/bot.html |
| 2 | 2640 | 22.91 | 2005 | 47.34 | +http://www.baidu.com/search/spider.html |
| 3 | 2092 | 18.15 | 789 | 18.63 | Windows NT |
| 4 | 1381 | 11.98 | 47 | 1.11 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1203 | 10.44 | 203 | 4.79 | +http://www.bing.com/bingbot.htm |
| 6 | 385 | 3.34 | 55 | 1.30 | +http://yandex.com/bots |
| 7 | 111 | 0.96 | 35 | 0.83 | +http://www.linkdex.com/bots/ |
| 8 | 94 | 0.82 | 4 | 0.09 | +http://fulltext.sblog.cz/ |
| 9 | 66 | 0.57 | 2 | 0.05 | +http://advbot.net/bot.html |
| 10 | 65 | 0.56 | 1 | 0.02 | +http://www.aihitdata.com/about |
| 11 | 64 | 0.56 | 4 | 0.09 | http://crawler.sistrix.net/ |
| 12 | 57 | 0.49 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 13 | 52 | 0.45 | 21 | 0.50 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 42 | 0.36 | 32 | 0.76 | +http://ahrefs.com/robot/ |
| 15 | 39 | 0.34 | 14 | 0.33 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 36 | 0.31 | 13 | 0.31 | +http://www.exabot.com/go/robot |
| 17 | 25 | 0.22 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 18 | 24 | 0.21 | 2 | 0.05 | +http://www.easou.com/search/spider.html |
| 19 | 16 | 0.14 | 7 | 0.17 | +http://duckduckgo.com |
| 20 | 15 | 0.13 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 21 | 13 | 0.11 | 5 | 0.12 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 12 | 0.10 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 23 | 11 | 0.10 | 1 | 0.02 | Linux [unknown version] |
| 24 | 9 | 0.08 | 4 | 0.09 | +http://help.coccoc.com/ |
| 25 | 8 | 0.07 | 2 | 0.05 | +http://isdownload.biz |
| 26 | 8 | 0.07 | 2 | 0.05 | +http://www.profound.net/domainappender |
| 27 | 8 | 0.07 | 4 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 6 | 0.05 | 3 | 0.07 | +http://gimme60.com |
| 29 | 5 | 0.04 | 2 | 0.05 | +info@netcraft.com |
| 30 | 4 | 0.03 | 1 | 0.02 | crawler@mixrank.com |
| 31 | 4 | 0.03 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 32 | 4 | 0.03 | 1 | 0.02 | +http://g5files.net |
| 33 | 3 | 0.03 | 2 | 0.05 | X11 |
| 34 | 3 | 0.03 | 0 | 0.00 | MAUI Runtime |
| 35 | 2 | 0.02 | 1 | 0.02 | Mail.RU_Bot/Robots; +http://go.mail.ru/h... |
| 36 | 2 | 0.02 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 37 | 2 | 0.02 | 2 | 0.05 | Linux i686 [unknown version] |
| 38 | 2 | 0.02 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 39 | 2 | 0.02 | 2 | 0.05 | Windows 98 |
| 40 | 2 | 0.02 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 1 | 0.01 | 1 | 0.02 | OpenBSD [unknown version] |
| 42 | 1 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
