| Used Operating Systems |
| 1 | 19581 | 40.46 | 213 | 5.24 | +http://ahrefs.com/robot/ |
| 2 | 17247 | 35.64 | 120 | 2.95 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4688 | 9.69 | 6 | 0.15 | +http://OpenLinkProfiler.org/bot |
| 4 | 3369 | 6.96 | 2352 | 57.90 | +http://www.baidu.com/search/spider.html |
| 5 | 1590 | 3.29 | 698 | 17.18 | Windows NT |
| 6 | 1160 | 2.40 | 328 | 8.07 | +http://www.bing.com/bingbot.htm |
| 7 | 413 | 0.85 | 188 | 4.63 | +http://www.google.com/bot.html |
| 8 | 185 | 0.38 | 58 | 1.43 | +http://yandex.com/bots |
| 9 | 28 | 0.06 | 26 | 0.64 | Windows 95 |
| 10 | 20 | 0.04 | 8 | 0.20 | Windows 98 |
| 11 | 16 | 0.03 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 12 | 10 | 0.02 | 10 | 0.25 | Windows CE |
| 13 | 10 | 0.02 | 2 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 9 | 0.02 | 8 | 0.20 | Windows 3.1 |
| 15 | 8 | 0.02 | 8 | 0.20 | Windows 2000 |
| 16 | 8 | 0.02 | 3 | 0.07 | Windows XP |
| 17 | 7 | 0.01 | 7 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 18 | 6 | 0.01 | 5 | 0.12 | Auto; Windows |
| 19 | 5 | 0.01 | 5 | 0.12 | ) - BrowseX (2.0.0 Windows |
| 20 | 4 | 0.01 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 21 | 4 | 0.01 | 3 | 0.07 | +info@netcraft.com |
| 22 | 4 | 0.01 | 4 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 23 | 4 | 0.01 | 2 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 3 | 0.01 | 3 | 0.07 | Windows ME |
| 25 | 3 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 26 | 2 | 0.00 | 1 | 0.02 | OpenBSD [unknown version] |
| 27 | 2 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 28 | 2 | 0.00 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 29 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 30 | 1 | 0.00 | 1 | 0.02 | X11 |
| 31 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
