| Used Operating Systems |
| 1 | 13363 | 40.23 | 173 | 1.81 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12424 | 37.40 | 5684 | 59.47 | +http://ahrefs.com/robot/ |
| 3 | 3434 | 10.34 | 2468 | 25.82 | +http://www.baidu.com/search/spider.html |
| 4 | 1985 | 5.98 | 501 | 5.24 | Windows NT |
| 5 | 738 | 2.22 | 310 | 3.24 | +http://www.bing.com/bingbot.htm |
| 6 | 412 | 1.24 | 2 | 0.02 | +http://webmeup-crawler.com/ |
| 7 | 264 | 0.79 | 135 | 1.41 | +http://www.google.com/bot.html |
| 8 | 211 | 0.64 | 114 | 1.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 179 | 0.54 | 92 | 0.96 | +http://yandex.com/bots |
| 10 | 124 | 0.37 | 37 | 0.39 | +http://www.linkdex.com/bots/ |
| 11 | 18 | 0.05 | 8 | 0.08 | +http://www.semrush.com/bot.html |
| 12 | 14 | 0.04 | 6 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 13 | 8 | 0.02 | 4 | 0.04 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 6 | 0.02 | 3 | 0.03 | http://www.botje.com/plukkie.htm |
| 15 | 6 | 0.02 | 3 | 0.03 | +http://duckduckgo.com |
| 16 | 5 | 0.02 | 2 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 5 | 0.02 | 2 | 0.02 | Linux [unknown version] |
| 18 | 4 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 19 | 3 | 0.01 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 20 | 2 | 0.01 | 1 | 0.01 | +http://gimmeusa.com/crawler.html |
| 21 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 22 | 2 | 0.01 | 1 | 0.01 | X11 |
| 23 | 2 | 0.01 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 24 | 2 | 0.01 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 25 | 1 | 0.00 | 1 | 0.01 | +http://gimmeusa.com/crawler |
| 26 | 1 | 0.00 | 1 | 0.01 | +http://www.domaintuno.com/robot |
| 27 | 1 | 0.00 | 1 | 0.01 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 28 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 29 | 1 | 0.00 | 1 | 0.01 | Windows 98 |
| 30 | 1 | 0.00 | 1 | 0.01 | Android 2.3.5 |
