| Used Operating Systems |
| 1 | 13665 | 49.58 | 141 | 3.32 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2663 | 9.66 | 1892 | 44.54 | +http://www.baidu.com/search/spider.html |
| 3 | 1731 | 6.28 | 255 | 6.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 1698 | 6.16 | 406 | 9.56 | +http://www.xovibot.net/ |
| 5 | 1382 | 5.01 | 467 | 10.99 | +http://www.google.com/bot.html |
| 6 | 1369 | 4.97 | 251 | 5.91 | +http://www.bing.com/bingbot.htm |
| 7 | 1184 | 4.30 | 4 | 0.09 | +http://megaindex.com/crawler |
| 8 | 1028 | 3.73 | 376 | 8.85 | Windows NT |
| 9 | 800 | 2.90 | 127 | 2.99 | +http://yandex.com/bots |
| 10 | 585 | 2.12 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 11 | 450 | 1.63 | 70 | 1.65 | +http://www.semrush.com/bot.html |
| 12 | 336 | 1.22 | 111 | 2.61 | +http://www.linkdex.com/bots/ |
| 13 | 258 | 0.94 | 59 | 1.39 | +http://ahrefs.com/robot/ |
| 14 | 198 | 0.72 | 48 | 1.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 68 | 0.25 | 4 | 0.09 | +http://fulltext.sblog.cz/ |
| 16 | 66 | 0.24 | 2 | 0.05 | +http://webmeup-crawler.com/ |
| 17 | 18 | 0.07 | 9 | 0.21 | +http://www.exabot.com/go/robot |
| 18 | 14 | 0.05 | 2 | 0.05 | http://filterdb.iss.net/crawler/ |
| 19 | 6 | 0.02 | 3 | 0.07 | http://www.botje.com/plukkie.htm |
| 20 | 6 | 0.02 | 3 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 6 | 0.02 | 3 | 0.07 | +http://duckduckgo.com |
| 22 | 6 | 0.02 | 1 | 0.02 | +; |
| 23 | 4 | 0.01 | 2 | 0.05 | Linux [unknown version] |
| 24 | 3 | 0.01 | 2 | 0.05 | X11 |
| 25 | 2 | 0.01 | 1 | 0.02 | +https://deusu.de/robot.html |
| 26 | 2 | 0.01 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 27 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 28 | 1 | 0.00 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 29 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 30 | 1 | 0.00 | 0 | 0.00 | Windows 92 |
| 31 | 1 | 0.00 | 1 | 0.02 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 32 | 1 | 0.00 | 1 | 0.02 | Windows 95 |
| 33 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
| 34 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 35 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 36 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
