| Used Operating Systems by Visits |
| 1 | 2427 | 19.36 | 2018 | 54.26 | +http://www.baidu.com/search/spider.html |
| 2 | 6303 | 50.28 | 628 | 16.89 | Windows NT |
| 3 | 1098 | 8.76 | 467 | 12.56 | +http://www.bing.com/bingbot.htm |
| 4 | 758 | 6.05 | 203 | 5.46 | +http://www.google.com/bot.html |
| 5 | 1014 | 8.09 | 144 | 3.87 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 197 | 1.57 | 75 | 2.02 | +http://yandex.com/bots |
| 7 | 56 | 0.45 | 40 | 1.08 | +http://www.uptime.com/uptimebot |
| 8 | 73 | 0.58 | 29 | 0.78 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 120 | 0.96 | 21 | 0.56 | +http://ahrefs.com/robot/ |
| 10 | 54 | 0.43 | 18 | 0.48 | Windows XP |
| 11 | 24 | 0.19 | 14 | 0.38 | Windows 95 |
| 12 | 26 | 0.21 | 11 | 0.30 | +http://www.exabot.com/go/robot |
| 13 | 64 | 0.51 | 8 | 0.22 | Windows 98 |
| 14 | 72 | 0.57 | 6 | 0.16 | +http://OpenLinkProfiler.org/bot |
| 15 | 12 | 0.10 | 5 | 0.13 | MSIE 5.5; Windows NT 4.0 |
| 16 | 16 | 0.13 | 4 | 0.11 | +https://www.mojeek.com/bot.html |
| 17 | 4 | 0.03 | 4 | 0.11 | Windows 3.1 |
| 18 | 4 | 0.03 | 2 | 0.05 | Windows 2000 |
| 19 | 4 | 0.03 | 2 | 0.05 | Auto; Windows |
| 20 | 2 | 0.02 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 21 | 28 | 0.22 | 2 | 0.05 | +http://www.privacyaware.org |
| 22 | 2 | 0.02 | 2 | 0.05 | Linux i686 [unknown version] |
| 23 | 4 | 0.03 | 2 | 0.05 | +info@netcraft.com |
| 24 | 24 | 0.19 | 2 | 0.05 | +https://www.lipperhey.com/en/about/ |
| 25 | 32 | 0.26 | 2 | 0.05 | +https://www.aihitdata.com/about |
| 26 | 1 | 0.01 | 1 | 0.03 | OpenBSD [unknown version] |
| 27 | 10 | 0.08 | 1 | 0.03 | +http://www.linkpad.ru |
| 28 | 3 | 0.02 | 1 | 0.03 | Android 2.3.5 |
| 29 | 11 | 0.09 | 1 | 0.03 | +http://megaindex.com/crawler |
| 30 | 1 | 0.01 | 1 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 31 | 12 | 0.10 | 1 | 0.03 | http://crawler.007ac9.net/ |
| 32 | 58 | 0.46 | 1 | 0.03 | +http://fulltext.sblog.cz/ |
| 33 | 2 | 0.02 | 1 | 0.03 | +http://duckduckgo.com |
| 34 | 4 | 0.03 | 0 | 0.00 | documents; +http://docs.google.com |
| 35 | 2 | 0.02 | 0 | 0.00 | +http://www.pdffiller.com/en/support.htm |
| 36 | 2 | 0.02 | 0 | 0.00 | +http://siteexplorer.info/ |
| 37 | 2 | 0.02 | 0 | 0.00 | X11 |
| 38 | 9 | 0.07 | 0 | 0.00 | +http://www.semrush.com/bot.html |
