| Used Operating Systems |
| 1 | 25934 | 59.72 | 22047 | 79.83 | +http://ahrefs.com/robot/ |
| 2 | 4080 | 9.40 | 1597 | 5.78 | Windows NT |
| 3 | 2395 | 5.52 | 97 | 0.35 | http://mj12bot.com/ |
| 4 | 2361 | 5.44 | 278 | 1.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 2183 | 5.03 | 1846 | 6.68 | +http://www.baidu.com/search/spider.html |
| 6 | 1869 | 4.30 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 7 | 1191 | 2.74 | 344 | 1.25 | +http://www.linkdex.com/bots/ |
| 8 | 958 | 2.21 | 584 | 2.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 648 | 1.49 | 381 | 1.38 | +http://www.google.com/bot.html |
| 10 | 600 | 1.38 | 72 | 0.26 | +http://www.semrush.com/bot.html |
| 11 | 269 | 0.62 | 62 | 0.22 | +http://yandex.com/bots |
| 12 | 215 | 0.50 | 5 | 0.02 | http://www.wise-guys.nl/ |
| 13 | 212 | 0.49 | 141 | 0.51 | +http://www.bing.com/bingbot.htm |
| 14 | 87 | 0.20 | 29 | 0.11 | +http://napoveda.seznam.cz/en/seznambot-... |
| 15 | 71 | 0.16 | 15 | 0.05 | +http://siteexplorer.info/Backlink-Check... |
| 16 | 52 | 0.12 | 17 | 0.06 | Windows XP |
| 17 | 48 | 0.11 | 24 | 0.09 | +http://www.exabot.com/go/robot |
| 18 | 34 | 0.08 | 18 | 0.07 | Windows 95 |
| 19 | 30 | 0.07 | 1 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 20 | 28 | 0.06 | 8 | 0.03 | Windows 98 |
| 21 | 22 | 0.05 | 1 | 0.00 | https://nmap.org/book/nse.html |
| 22 | 18 | 0.04 | 1 | 0.00 | http://www.searchmetrics.com/en/searchme... |
| 23 | 14 | 0.03 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 24 | 14 | 0.03 | 1 | 0.00 | X11 |
| 25 | 12 | 0.03 | 5 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 26 | 10 | 0.02 | 3 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 8 | 0.02 | 0 | 0.00 | Android 2.3.5 |
| 28 | 7 | 0.02 | 7 | 0.03 | +http://www.uptime.com/uptimebot |
| 29 | 6 | 0.01 | 3 | 0.01 | Windows 2000 |
| 30 | 6 | 0.01 | 3 | 0.01 | Windows ME |
| 31 | 6 | 0.01 | 4 | 0.01 | +info@netcraft.com |
| 32 | 6 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 33 | 5 | 0.01 | 3 | 0.01 | Auto; Windows |
| 34 | 5 | 0.01 | 0 | 0.00 | http://webagent.wise-guys.nl/ |
| 35 | 5 | 0.01 | 3 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 36 | 4 | 0.01 | 2 | 0.01 | +http://sur.ly/bot.html |
| 37 | 4 | 0.01 | 2 | 0.01 | Windows 3.1 |
| 38 | 3 | 0.01 | 3 | 0.01 | Windows CE |
| 39 | 2 | 0.00 | 1 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 40 | 1 | 0.00 | 1 | 0.00 | OpenBSD [unknown version] |
| 41 | 1 | 0.00 | 1 | 0.00 | NetBSD [unknown version] |
| 42 | 1 | 0.00 | 1 | 0.00 | Linux 2.2.x |
| 43 | 1 | 0.00 | 1 | 0.00 | Macintosh |
| 44 | 1 | 0.00 | 0 | 0.00 | +; |
