| Used Operating Systems |
| 1 | 13842 | 62.76 | 287 | 6.33 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4028 | 18.26 | 2971 | 65.48 | +http://www.baidu.com/search/spider.html |
| 3 | 951 | 4.31 | 164 | 3.61 | Windows NT |
| 4 | 913 | 4.14 | 282 | 6.22 | +http://www.bing.com/bingbot.htm |
| 5 | 768 | 3.48 | 333 | 7.34 | +http://www.google.com/bot.html |
| 6 | 483 | 2.19 | 96 | 2.12 | +http://www.linkdex.com/bots/ |
| 7 | 227 | 1.03 | 92 | 2.03 | +http://yandex.com/bots |
| 8 | 124 | 0.56 | 47 | 1.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 84 | 0.38 | 24 | 0.53 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 77 | 0.35 | 27 | 0.60 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 74 | 0.34 | 26 | 0.57 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 58 | 0.26 | 6 | 0.13 | +http://OpenLinkProfiler.org/bot |
| 13 | 54 | 0.24 | 53 | 1.17 | +http://www.uptime.com/uptimebot |
| 14 | 46 | 0.21 | 20 | 0.44 | +http://www.exabot.com/go/robot |
| 15 | 37 | 0.17 | 14 | 0.31 | +http://ahrefs.com/robot/ |
| 16 | 36 | 0.16 | 4 | 0.09 | +http://www.seokicks.de/robot.html |
| 17 | 23 | 0.10 | 9 | 0.20 | Windows 95 |
| 18 | 20 | 0.09 | 10 | 0.22 | +http://www.semrush.com/bot.html |
| 19 | 20 | 0.09 | 2 | 0.04 | http://crawler.007ac9.net/ |
| 20 | 20 | 0.09 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 21 | 16 | 0.07 | 6 | 0.13 | +https://www.mojeek.com/bot.html |
| 22 | 15 | 0.07 | 5 | 0.11 | Windows XP |
| 23 | 14 | 0.06 | 5 | 0.11 | +http://siteexplorer.info/ |
| 24 | 14 | 0.06 | 6 | 0.13 | +http://help.coccoc.com/searchengine |
| 25 | 11 | 0.05 | 5 | 0.11 | +http://help.coccoc.com/ |
| 26 | 10 | 0.05 | 4 | 0.09 | Windows CE |
| 27 | 10 | 0.05 | 2 | 0.04 | +http://webmeup-crawler.com/ |
| 28 | 10 | 0.05 | 1 | 0.02 | +http://megaindex.com/crawler |
| 29 | 10 | 0.05 | 6 | 0.13 | Windows 98 |
| 30 | 8 | 0.04 | 4 | 0.09 | +https://deusu.de/robot.html |
| 31 | 8 | 0.04 | 4 | 0.09 | +http://duckduckgo.com |
| 32 | 6 | 0.03 | 4 | 0.09 | +http://glutenfreepleasure.com/ |
| 33 | 6 | 0.03 | 2 | 0.04 | Windows ME |
| 34 | 6 | 0.03 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 35 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 4 | 0.02 | 2 | 0.04 | http://www.botje.com/plukkie.htm |
| 37 | 4 | 0.02 | 0 | 0.00 | Linux i686 [unknown version] |
| 38 | 3 | 0.01 | 3 | 0.07 | +http://pmoz.info/doc/botinfo.htm |
| 39 | 3 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 40 | 2 | 0.01 | 0 | 0.00 | http://support.paper.li/entries/20023257... |
| 41 | 2 | 0.01 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 42 | 2 | 0.01 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 43 | 1 | 0.00 | 1 | 0.02 | +http://sur.ly/bot.html |
| 44 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
