| Used Operating Systems |
| 1 | 33896 | 77.86 | 303 | 6.92 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2591 | 5.95 | 2170 | 49.59 | +http://www.baidu.com/search/spider.html |
| 3 | 1859 | 4.27 | 323 | 7.38 | +http://www.bing.com/bingbot.htm |
| 4 | 1681 | 3.86 | 260 | 5.94 | +http://yandex.com/bots |
| 5 | 1104 | 2.54 | 424 | 9.69 | Windows NT |
| 6 | 582 | 1.34 | 283 | 6.47 | +http://www.google.com/bot.html |
| 7 | 561 | 1.29 | 221 | 5.05 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 499 | 1.15 | 93 | 2.13 | +http://www.linkdex.com/bots/ |
| 9 | 129 | 0.30 | 60 | 1.37 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 128 | 0.29 | 12 | 0.27 | +http://fulltext.sblog.cz/ |
| 11 | 97 | 0.22 | 2 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 12 | 92 | 0.21 | 62 | 1.42 | +http://ahrefs.com/robot/ |
| 13 | 69 | 0.16 | 23 | 0.53 | +http://www.exabot.com/go/robot |
| 14 | 57 | 0.13 | 42 | 0.96 | +http://www.uptime.com/uptimebot |
| 15 | 40 | 0.09 | 37 | 0.85 | +http://www.xovibot.net/ |
| 16 | 32 | 0.07 | 1 | 0.02 | http://crawler.007ac9.net/ |
| 17 | 14 | 0.03 | 13 | 0.30 | Windows 95 |
| 18 | 14 | 0.03 | 9 | 0.21 | Windows 98 |
| 19 | 14 | 0.03 | 7 | 0.16 | +http://duckduckgo.com |
| 20 | 13 | 0.03 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 21 | 12 | 0.03 | 4 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 22 | 10 | 0.02 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 23 | 4 | 0.01 | 3 | 0.07 | Auto; Windows |
| 24 | 4 | 0.01 | 2 | 0.05 | +http://www.privacyaware.org |
| 25 | 4 | 0.01 | 3 | 0.07 | Windows ME |
| 26 | 4 | 0.01 | 3 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 27 | 3 | 0.01 | 3 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 28 | 3 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 29 | 3 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 30 | 3 | 0.01 | 3 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 31 | 2 | 0.00 | 1 | 0.02 | crawler@mixrank.com |
| 32 | 2 | 0.00 | 2 | 0.05 | Windows 2000 |
| 33 | 2 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 34 | 2 | 0.00 | 2 | 0.05 | Windows 3.1 |
| 35 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 36 | 1 | 0.00 | 1 | 0.02 | Windows XP |
| 37 | 1 | 0.00 | 0 | 0.00 | +http://www.pdffiller.com/en/support.htm |
