| Used Operating Systems by Visits |
| 1 | 4805 | 18.96 | 3437 | 70.46 | +http://www.baidu.com/search/spider.html |
| 2 | 1028 | 4.06 | 354 | 7.26 | +http://www.bing.com/bingbot.htm |
| 3 | 16879 | 66.60 | 256 | 5.25 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 543 | 2.14 | 231 | 4.74 | +http://www.google.com/bot.html |
| 5 | 795 | 3.14 | 187 | 3.83 | Windows NT |
| 6 | 433 | 1.71 | 99 | 2.03 | +http://www.linkdex.com/bots/ |
| 7 | 157 | 0.62 | 66 | 1.35 | +http://yandex.com/bots |
| 8 | 135 | 0.53 | 57 | 1.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 56 | 0.22 | 46 | 0.94 | +http://www.uptime.com/uptimebot |
| 10 | 59 | 0.23 | 28 | 0.57 | +http://www.exabot.com/go/robot |
| 11 | 59 | 0.23 | 19 | 0.39 | Windows XP |
| 12 | 28 | 0.11 | 15 | 0.31 | +http://ahrefs.com/robot/ |
| 13 | 31 | 0.12 | 13 | 0.27 | +http://help.coccoc.com/ |
| 14 | 18 | 0.07 | 7 | 0.14 | +https://deusu.de/robot.html |
| 15 | 6 | 0.02 | 6 | 0.12 | +http://glutenfreepleasure.com/ |
| 16 | 24 | 0.09 | 6 | 0.12 | Windows 95 |
| 17 | 26 | 0.10 | 6 | 0.12 | Windows 98 |
| 18 | 14 | 0.06 | 6 | 0.12 | +http://fulltext.sblog.cz/ |
| 19 | 50 | 0.20 | 5 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 20 | 12 | 0.05 | 4 | 0.08 | Windows CE |
| 21 | 4 | 0.02 | 4 | 0.08 | +http://pmoz.info/doc/botinfo.htm |
| 22 | 4 | 0.02 | 3 | 0.06 | http://nmap.org/book/nse.html |
| 23 | 12 | 0.05 | 3 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 24 | 2 | 0.01 | 2 | 0.04 | AnyEvent-HTTP/2.22; +http://software.sch... |
| 25 | 2 | 0.01 | 2 | 0.04 | Linux i686 [unknown version] |
| 26 | 4 | 0.02 | 2 | 0.04 | +info@netcraft.com |
| 27 | 4 | 0.02 | 2 | 0.04 | +http://www.bigbozz.com/ |
| 28 | 38 | 0.15 | 2 | 0.04 | +http://webmeup-crawler.com/ |
| 29 | 74 | 0.29 | 2 | 0.04 | PPC Mac OS X 10.5 |
| 30 | 4 | 0.02 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 2 | 0.01 | 1 | 0.02 | Auto; Windows |
| 32 | 2 | 0.01 | 1 | 0.02 | +http://crawler.seolytics.net/ |
| 33 | 11 | 0.04 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 34 | 10 | 0.04 | 1 | 0.02 | +http://megaindex.com/crawler |
| 35 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 36 | 2 | 0.01 | 1 | 0.02 | +http://duckduckgo.com |
| 37 | 2 | 0.01 | 0 | 0.00 | Windows ME |
| 38 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 6 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
