| Used Operating Systems |
| 1 | 18784 | 55.22 | 179 | 3.02 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4216 | 12.39 | 2034 | 34.27 | Windows NT |
| 3 | 3528 | 10.37 | 183 | 3.08 | +http://ahrefs.com/robot/ |
| 4 | 3067 | 9.02 | 2516 | 42.39 | +http://www.baidu.com/search/spider.html |
| 5 | 1723 | 5.06 | 12 | 0.20 | +http://OpenLinkProfiler.org/bot |
| 6 | 472 | 1.39 | 265 | 4.46 | +http://www.google.com/bot.html |
| 7 | 401 | 1.18 | 1 | 0.02 | +http://megaindex.com/crawler |
| 8 | 374 | 1.10 | 2 | 0.03 | +http://www.seograph.net/bot.html |
| 9 | 294 | 0.86 | 96 | 1.62 | +http://www.linkdex.com/bots/ |
| 10 | 216 | 0.63 | 146 | 2.46 | +http://www.bing.com/bingbot.htm |
| 11 | 189 | 0.56 | 74 | 1.25 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 120 | 0.35 | 63 | 1.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 92 | 0.27 | 73 | 1.23 | Windows 95 |
| 14 | 82 | 0.24 | 26 | 0.44 | Windows 98 |
| 15 | 61 | 0.18 | 61 | 1.03 | +http://monasterytea.spbdyet.ru |
| 16 | 51 | 0.15 | 17 | 0.29 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 43 | 0.13 | 4 | 0.07 | +http://yandex.com/bots |
| 18 | 34 | 0.10 | 34 | 0.57 | +http://warifort.moykrest.ru/ |
| 19 | 25 | 0.07 | 6 | 0.10 | Windows XP |
| 20 | 23 | 0.07 | 16 | 0.27 | Windows CE |
| 21 | 23 | 0.07 | 12 | 0.20 | +http://www.xovibot.net/ |
| 22 | 22 | 0.06 | 10 | 0.17 | +http://www.exabot.com/go/robot |
| 23 | 20 | 0.06 | 13 | 0.22 | Windows 3.1 |
| 24 | 18 | 0.05 | 16 | 0.27 | Auto; Windows |
| 25 | 18 | 0.05 | 12 | 0.20 | MSIE 5.5; Windows NT 4.0 |
| 26 | 15 | 0.04 | 14 | 0.24 | Windows ME |
| 27 | 14 | 0.04 | 12 | 0.20 | Windows 2000 |
| 28 | 13 | 0.04 | 9 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 29 | 13 | 0.04 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 30 | 12 | 0.04 | 12 | 0.20 | ) - BrowseX (2.0.0 Windows |
| 31 | 10 | 0.03 | 3 | 0.05 | +http://fulltext.sblog.cz/ |
| 32 | 8 | 0.02 | 4 | 0.07 | support.orangebot@orange.com |
| 33 | 8 | 0.02 | 1 | 0.02 | crawler@mixrank.com |
| 34 | 8 | 0.02 | 3 | 0.05 | X11 |
| 35 | 8 | 0.02 | 4 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 36 | 5 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 37 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 38 | 3 | 0.01 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 39 | 2 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 40 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
