| Used Operating Systems |
| 1 | 23317 | 43.03 | 282 | 4.05 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8209 | 15.15 | 1414 | 20.28 | Windows NT |
| 3 | 7138 | 13.17 | 3707 | 53.18 | +http://www.baidu.com/search/spider.html |
| 4 | 5008 | 9.24 | 6 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 5 | 3317 | 6.12 | 1 | 0.01 | +http://megaindex.com/crawler |
| 6 | 2006 | 3.70 | 2 | 0.03 | http://crawler.007ac9.net/ |
| 7 | 1414 | 2.61 | 177 | 2.54 | +http://yandex.com/bots |
| 8 | 1064 | 1.96 | 415 | 5.95 | +http://www.google.com/bot.html |
| 9 | 975 | 1.80 | 314 | 4.50 | +http://www.bing.com/bingbot.htm |
| 10 | 520 | 0.96 | 92 | 1.32 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 268 | 0.49 | 166 | 2.38 | Windows 95 |
| 12 | 182 | 0.34 | 32 | 0.46 | Windows 98 |
| 13 | 105 | 0.19 | 23 | 0.33 | +http://www.linkdex.com/bots/ |
| 14 | 76 | 0.14 | 25 | 0.36 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 58 | 0.11 | 31 | 0.44 | Windows ME |
| 16 | 56 | 0.10 | 36 | 0.52 | Windows 2000 |
| 17 | 54 | 0.10 | 40 | 0.57 | Auto; Windows |
| 18 | 53 | 0.10 | 36 | 0.52 | ) - BrowseX (2.0.0 Windows |
| 19 | 51 | 0.09 | 3 | 0.04 | Windows XP |
| 20 | 49 | 0.09 | 47 | 0.67 | +http://www.uptime.com/uptimebot |
| 21 | 42 | 0.08 | 30 | 0.43 | Windows CE |
| 22 | 41 | 0.08 | 30 | 0.43 | MSIE 5.5; Windows NT 5.0 |
| 23 | 40 | 0.07 | 33 | 0.47 | MSIE 5.5; Windows NT 4.0 |
| 24 | 30 | 0.06 | 2 | 0.03 | +https://www.dataprovider.com/ |
| 25 | 24 | 0.04 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 26 | 18 | 0.03 | 11 | 0.16 | Windows 3.1 |
| 27 | 17 | 0.03 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 28 | 13 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 29 | 11 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 30 | 10 | 0.02 | 2 | 0.03 | https://nmap.org/book/nse.html |
| 31 | 8 | 0.01 | 6 | 0.09 | +info@netcraft.com |
| 32 | 8 | 0.01 | 2 | 0.03 | X11 |
| 33 | 3 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 34 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 35 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 36 | 1 | 0.00 | 1 | 0.01 | +https://gimmeusa.com/crawler.html |
| 37 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
