| Used Operating Systems |
| 1 | 29555 | 37.02 | 9497 | 39.92 | Windows NT |
| 2 | 19918 | 24.95 | 137 | 0.58 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 14089 | 17.65 | 6977 | 29.32 | +http://ahrefs.com/robot/ |
| 4 | 6677 | 8.36 | 5340 | 22.44 | +http://www.baidu.com/search/spider.html |
| 5 | 3384 | 4.24 | 1 | 0.00 | +http://megaindex.com/crawler |
| 6 | 2501 | 3.13 | 422 | 1.77 | +http://yandex.com/bots |
| 7 | 1348 | 1.69 | 613 | 2.58 | +http://www.google.com/bot.html |
| 8 | 716 | 0.90 | 248 | 1.04 | +http://www.bing.com/bingbot.htm |
| 9 | 486 | 0.61 | 195 | 0.82 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 351 | 0.44 | 68 | 0.29 | +http://www.exabot.com/go/robot |
| 11 | 179 | 0.22 | 4 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 12 | 171 | 0.21 | 156 | 0.66 | +http://www.xovibot.net/ |
| 13 | 146 | 0.18 | 25 | 0.11 | +http://www.linkdex.com/bots/ |
| 14 | 100 | 0.13 | 44 | 0.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 61 | 0.08 | 6 | 0.03 | +http://sur.ly/bot.html |
| 16 | 23 | 0.03 | 1 | 0.00 | X11 |
| 17 | 18 | 0.02 | 1 | 0.00 | Android 2.3.5 |
| 18 | 14 | 0.02 | 1 | 0.00 | +https://www.lipperhey.com/en/about/ |
| 19 | 14 | 0.02 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 20 | 12 | 0.02 | 1 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 21 | 11 | 0.01 | 10 | 0.04 | +info@netcraft.com |
| 22 | 10 | 0.01 | 10 | 0.04 | apps-spreadsheets; +http://docs.google.c... |
| 23 | 6 | 0.01 | 6 | 0.03 | Windows 95 |
| 24 | 6 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 25 | 6 | 0.01 | 3 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 5 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 27 | 4 | 0.01 | 2 | 0.01 | http://www.botje.com/plukkie.htm |
| 28 | 4 | 0.01 | 2 | 0.01 | +http://duckduckgo.com |
| 29 | 3 | 0.00 | 3 | 0.01 | Windows CE |
| 30 | 3 | 0.00 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 31 | 2 | 0.00 | 1 | 0.00 | Solaris 2.6.x |
| 32 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 33 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 2 | 0.00 | 2 | 0.01 | Windows ME |
| 35 | 2 | 0.00 | 2 | 0.01 | Windows 3.1 |
| 36 | 2 | 0.00 | 1 | 0.00 | Win16 |
| 37 | 2 | 0.00 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 38 | 2 | 0.00 | 2 | 0.01 | Windows 98 |
| 39 | 1 | 0.00 | 1 | 0.00 | Windows 2000 |
| 40 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 41 | 1 | 0.00 | 0 | 0.00 | Windows XP |
| 42 | 1 | 0.00 | 1 | 0.00 | +https://www.wslta.com/WoTBoT.html |
| 43 | 1 | 0.00 | 1 | 0.00 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 44 | 1 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 45 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |