| Used Operating Systems |
| 1 | 8548 | 53.39 | 154 | 3.66 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3793 | 23.69 | 2877 | 68.34 | +http://www.baidu.com/search/spider.html |
| 3 | 947 | 5.92 | 217 | 5.15 | Windows NT |
| 4 | 940 | 5.87 | 355 | 8.43 | +http://www.bing.com/bingbot.htm |
| 5 | 608 | 3.80 | 275 | 6.53 | +http://www.google.com/bot.html |
| 6 | 433 | 2.70 | 96 | 2.28 | +http://www.linkdex.com/bots/ |
| 7 | 155 | 0.97 | 38 | 0.90 | +http://yandex.com/bots |
| 8 | 123 | 0.77 | 57 | 1.35 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 90 | 0.56 | 9 | 0.21 | +http://OpenLinkProfiler.org/bot |
| 10 | 52 | 0.32 | 27 | 0.64 | +http://www.exabot.com/go/robot |
| 11 | 48 | 0.30 | 3 | 0.07 | +http://webmeup-crawler.com/ |
| 12 | 36 | 0.22 | 12 | 0.29 | Windows XP |
| 13 | 29 | 0.18 | 13 | 0.31 | +http://help.coccoc.com/ |
| 14 | 22 | 0.14 | 5 | 0.12 | +http://megaindex.com/crawler |
| 15 | 21 | 0.13 | 10 | 0.24 | +http://ahrefs.com/robot/ |
| 16 | 14 | 0.09 | 0 | 0.00 | FreeBSD [unknown version] |
| 17 | 13 | 0.08 | 5 | 0.12 | Linux i686 [unknown version] |
| 18 | 12 | 0.07 | 6 | 0.14 | +https://deusu.de/robot.html |
| 19 | 12 | 0.07 | 4 | 0.10 | Windows 95 |
| 20 | 10 | 0.06 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 21 | 10 | 0.06 | 5 | 0.12 | +http://www.meanpath.com/meanpathbot.htm... |
| 22 | 10 | 0.06 | 5 | 0.12 | +http://duckduckgo.com |
| 23 | 8 | 0.05 | 3 | 0.07 | http://www.opensiteexplorer.org/dotbot, ... |
| 24 | 8 | 0.05 | 1 | 0.02 | Windows 98 |
| 25 | 8 | 0.05 | 3 | 0.07 | +http://fulltext.sblog.cz/ |
| 26 | 7 | 0.04 | 3 | 0.07 | http://www.botje.com/plukkie.htm |
| 27 | 6 | 0.04 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 28 | 6 | 0.04 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 29 | 6 | 0.04 | 2 | 0.05 | +http://prlog.ru/ |
| 30 | 5 | 0.03 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 31 | 4 | 0.02 | 4 | 0.10 | +http://glutenfreepleasure.com/ |
| 32 | 3 | 0.02 | 1 | 0.02 | Windows CE |
| 33 | 3 | 0.02 | 1 | 0.02 | Windows 3.1 |
| 34 | 3 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 35 | 2 | 0.01 | 1 | 0.02 | Auto; Windows |
| 36 | 2 | 0.01 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 37 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 2 | 0.01 | 2 | 0.05 | Linux [unknown version] |
| 39 | 2 | 0.01 | 2 | 0.05 | X11 |
| 40 | 2 | 0.01 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 1 | 0.01 | 1 | 0.02 | +http://pmoz.info/doc/botinfo.htm |
| 42 | 1 | 0.01 | 1 | 0.02 | +http://www.privacyaware.org |
| 43 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 44 | 1 | 0.01 | 0 | 0.00 | CEMENT |
| 45 | 1 | 0.01 | 1 | 0.02 | +http://www.uptime.com/uptimebot |
