| Used Operating Systems by Visits |
| 1 | 13409 | 20.66 | 9284 | 62.99 | +http://ahrefs.com/robot/ |
| 2 | 5044 | 7.77 | 3985 | 27.04 | +http://www.baidu.com/search/spider.html |
| 3 | 2904 | 4.47 | 529 | 3.59 | Windows NT |
| 4 | 21866 | 33.69 | 202 | 1.37 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 554 | 0.85 | 178 | 1.21 | +http://www.bing.com/bingbot.htm |
| 6 | 297 | 0.46 | 132 | 0.90 | +http://www.google.com/bot.html |
| 7 | 354 | 0.55 | 88 | 0.60 | +http://yandex.com/bots |
| 8 | 137 | 0.21 | 58 | 0.39 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 372 | 0.57 | 56 | 0.38 | +http://www.semrush.com/bot.html |
| 10 | 61 | 0.09 | 52 | 0.35 | +http://www.uptime.com/uptimebot |
| 11 | 16238 | 25.02 | 36 | 0.24 | +http://www.warebay.com/bot.html |
| 12 | 81 | 0.12 | 35 | 0.24 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 36 | 0.06 | 32 | 0.22 | +http://www.xovibot.net/ |
| 14 | 30 | 0.05 | 16 | 0.11 | Windows 95 |
| 15 | 45 | 0.07 | 13 | 0.09 | Windows 98 |
| 16 | 35 | 0.05 | 10 | 0.07 | Windows XP |
| 17 | 16 | 0.02 | 6 | 0.04 | +http://www.exabot.com/go/robot |
| 18 | 1319 | 2.03 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 19 | 24 | 0.04 | 4 | 0.03 | Windows ME |
| 20 | 17 | 0.03 | 4 | 0.03 | Windows 3.1 |
| 21 | 16 | 0.02 | 4 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 22 | 14 | 0.02 | 2 | 0.01 | Windows CE |
| 23 | 3 | 0.00 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 24 | 2006 | 3.09 | 2 | 0.01 | http://crawler.007ac9.net/ |
| 25 | 12 | 0.02 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 26 | 12 | 0.02 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 27 | 3 | 0.00 | 1 | 0.01 | +http://www.privacyaware.org |
| 28 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 29 | 2 | 0.00 | 1 | 0.01 | X11 |
| 30 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 31 | 3 | 0.00 | 0 | 0.00 | Android 2.3.5 |
