| Used Operating Systems |
| 1 | 7491 | 42.30 | 793 | 21.60 | Windows NT |
| 2 | 4477 | 25.28 | 91 | 2.48 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1700 | 9.60 | 1578 | 42.97 | +http://www.baidu.com/search/spider.html |
| 4 | 1348 | 7.61 | 331 | 9.01 | +http://www.bing.com/bingbot.htm |
| 5 | 1000 | 5.65 | 393 | 10.70 | +http://ahrefs.com/robot/ |
| 6 | 523 | 2.95 | 254 | 6.92 | +http://www.google.com/bot.html |
| 7 | 256 | 1.45 | 52 | 1.42 | +http://www.semrush.com/bot.html |
| 8 | 199 | 1.12 | 31 | 0.84 | +http://yandex.com/bots |
| 9 | 190 | 1.07 | 18 | 0.49 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 80 | 0.45 | 2 | 0.05 | +http://fulltext.sblog.cz/ |
| 11 | 50 | 0.28 | 21 | 0.57 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 43 | 0.24 | 1 | 0.03 | from:info@semanticaudience.com |
| 13 | 42 | 0.24 | 9 | 0.25 | Windows 95 |
| 14 | 32 | 0.18 | 6 | 0.16 | +http://www.exabot.com/go/robot |
| 15 | 30 | 0.17 | 11 | 0.30 | +http://www.linkdex.com/bots/ |
| 16 | 23 | 0.13 | 10 | 0.27 | +http://help.coccoc.com/ |
| 17 | 22 | 0.12 | 7 | 0.19 | Windows 98 |
| 18 | 20 | 0.11 | 6 | 0.16 | Windows XP |
| 19 | 20 | 0.11 | 20 | 0.54 | +http://www.xovibot.net/ |
| 20 | 19 | 0.11 | 6 | 0.16 | http://www.botje.com/plukkie.htm |
| 21 | 19 | 0.11 | 1 | 0.03 | +https://www.aihitdata.com/about |
| 22 | 15 | 0.08 | 1 | 0.03 | +http://megaindex.com/crawler |
| 23 | 15 | 0.08 | 0 | 0.00 | X11 |
| 24 | 11 | 0.06 | 2 | 0.05 | Windows CE |
| 25 | 11 | 0.06 | 0 | 0.00 | Android 2.3.5 |
| 26 | 11 | 0.06 | 5 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 27 | 10 | 0.06 | 5 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 9 | 0.05 | 1 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 29 | 6 | 0.03 | 2 | 0.05 | Windows 2000 |
| 30 | 6 | 0.03 | 1 | 0.03 | Linux [unknown version] |
| 31 | 6 | 0.03 | 2 | 0.05 | +http://webmeup-crawler.com/ |
| 32 | 5 | 0.03 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 33 | 4 | 0.02 | 0 | 0.00 | Auto; Windows |
| 34 | 4 | 0.02 | 2 | 0.05 | +http://duckduckgo.com |
| 35 | 3 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 36 | 1 | 0.01 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 37 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 1 | 0.01 | 1 | 0.03 | Windows ME |
| 39 | 1 | 0.01 | 0 | 0.00 | Windows 3.1 |
| 40 | 1 | 0.01 | 1 | 0.03 | +http://www.privacyaware.org |
| 41 | 1 | 0.01 | 1 | 0.03 | +https://www.wslta.com/WoTBoT.html |
| 42 | 1 | 0.01 | 1 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 43 | 1 | 0.01 | 1 | 0.03 | +http://www.uptime.com/uptimebot |
| 44 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
