| Used Operating Systems by Visits |
| 1 | 4311 | 11.62 | 2363 | 32.25 | +http://ahrefs.com/robot/ |
| 2 | 1779 | 4.79 | 1667 | 22.75 | +http://www.baidu.com/search/spider.html |
| 3 | 7941 | 21.40 | 1500 | 20.47 | Windows NT |
| 4 | 732 | 1.97 | 355 | 4.84 | +http://www.google.com/bot.html |
| 5 | 1593 | 4.29 | 341 | 4.65 | +http://www.bing.com/bingbot.htm |
| 6 | 14225 | 38.34 | 234 | 3.19 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 257 | 0.69 | 156 | 2.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 584 | 1.57 | 148 | 2.02 | +http://www.linkdex.com/bots/ |
| 9 | 1729 | 4.66 | 148 | 2.02 | +http://yandex.com/bots |
| 10 | 113 | 0.30 | 108 | 1.47 | +http://www.xovibot.net/ |
| 11 | 168 | 0.45 | 63 | 0.86 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 56 | 0.15 | 52 | 0.71 | Windows 95 |
| 13 | 173 | 0.47 | 29 | 0.40 | +http://napoveda.seznam.cz/en/seznambot-... |
| 14 | 84 | 0.23 | 21 | 0.29 | +http://www.profound.net/domainappender |
| 15 | 34 | 0.09 | 18 | 0.25 | Windows 98 |
| 16 | 74 | 0.20 | 13 | 0.18 | +http://www.semrush.com/bot.html |
| 17 | 24 | 0.06 | 12 | 0.16 | +http://duckduckgo.com |
| 18 | 7 | 0.02 | 7 | 0.10 | Windows CE |
| 19 | 7 | 0.02 | 7 | 0.10 | Auto; Windows |
| 20 | 10 | 0.03 | 7 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 21 | 8 | 0.02 | 6 | 0.08 | Windows XP |
| 22 | 7 | 0.02 | 6 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 23 | 13 | 0.04 | 6 | 0.08 | +http://www.exabot.com/go/robot |
| 24 | 40 | 0.11 | 5 | 0.07 | +http://www.seokicks.de/robot.html |
| 25 | 5 | 0.01 | 5 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 26 | 24 | 0.06 | 5 | 0.07 | X11 |
| 27 | 5 | 0.01 | 4 | 0.05 | Windows 2000 |
| 28 | 2518 | 6.79 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 29 | 6 | 0.02 | 4 | 0.05 | Windows ME |
| 30 | 4 | 0.01 | 4 | 0.05 | Linux i686 [unknown version] |
| 31 | 2 | 0.01 | 2 | 0.03 | Intel Mac OS X 10.5 |
| 32 | 179 | 0.48 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 33 | 2 | 0.01 | 2 | 0.03 | Linux [unknown version] |
| 34 | 2 | 0.01 | 2 | 0.03 | Windows 3.1 |
| 35 | 4 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 36 | 277 | 0.75 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 37 | 2 | 0.01 | 2 | 0.03 | PPC Mac OS X 10.5 |
| 38 | 2 | 0.01 | 2 | 0.03 | Intel Mac OS X 10.6 |
| 39 | 7 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 40 | 1 | 0.00 | 1 | 0.01 | +http://sur.ly/bot.html |
| 41 | 2 | 0.01 | 1 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 42 | 1 | 0.00 | 1 | 0.01 | +https://gimmeusa.com/crawler.html |
| 43 | 1 | 0.00 | 1 | 0.01 | Windows C7 |
| 44 | 1 | 0.00 | 1 | 0.01 | Windows 468 |
| 45 | 2 | 0.01 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 46 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 47 | 2 | 0.01 | 1 | 0.01 | +spider@seoscanners.net |
| 48 | 51 | 0.14 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 49 | 1 | 0.00 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 50 | 16 | 0.04 | 1 | 0.01 | +https://teeraid.com/bot/ |
| 51 | 9 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 52 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 53 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 54 | 6 | 0.02 | 0 | 0.00 | Android 2.3.5 |
