| Used Operating Systems |
| 1 | 652374 | 76.00 | 371 | 0.78 | +http://www.semrush.com/bot.html |
| 2 | 81463 | 9.49 | 392 | 0.83 | http://mj12bot.com/ |
| 3 | 49931 | 5.82 | 40646 | 85.90 | +http://ahrefs.com/robot/ |
| 4 | 41884 | 4.88 | 860 | 1.82 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 10126 | 1.18 | 2706 | 5.72 | Windows NT |
| 6 | 9977 | 1.16 | 2 | 0.00 | +http://megaindex.com/crawler |
| 7 | 2847 | 0.33 | 1247 | 2.64 | +http://www.google.com/bot.html |
| 8 | 2259 | 0.26 | 334 | 0.71 | +http://yandex.com/bots |
| 9 | 2182 | 0.25 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 10 | 2088 | 0.24 | 299 | 0.63 | +http://www.linkdex.com/bots/ |
| 11 | 1244 | 0.14 | 235 | 0.50 | +http://www.bing.com/bingbot.htm |
| 12 | 1003 | 0.12 | 1 | 0.00 | http://crawler.007ac9.net/ |
| 13 | 632 | 0.07 | 21 | 0.04 | Windows 98 |
| 14 | 91 | 0.01 | 47 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 48 | 0.01 | 10 | 0.02 | +http://www.seokicks.de/robot.html |
| 16 | 36 | 0.00 | 35 | 0.07 | +http://www.uptime.com/uptimebot |
| 17 | 26 | 0.00 | 26 | 0.05 | +http://www.baidu.com/search/spider.html |
| 18 | 21 | 0.00 | 17 | 0.04 | +info@netcraft.com |
| 19 | 18 | 0.00 | 16 | 0.03 | Windows 95 |
| 20 | 16 | 0.00 | 4 | 0.01 | +http://www.exabot.com/go/robot |
| 21 | 16 | 0.00 | 7 | 0.01 | +http://napoveda.seznam.cz/en/seznambot-... |
| 22 | 10 | 0.00 | 5 | 0.01 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 23 | 8 | 0.00 | 4 | 0.01 | +http://sur.ly/bot.html |
| 24 | 7 | 0.00 | 6 | 0.01 | Windows 2000 |
| 25 | 7 | 0.00 | 1 | 0.00 | http://filterdb.iss.net/crawler/ |
| 26 | 6 | 0.00 | 3 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 6 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 28 | 5 | 0.00 | 4 | 0.01 | Windows XP |
| 29 | 4 | 0.00 | 4 | 0.01 | Windows ME |
| 30 | 4 | 0.00 | 1 | 0.00 | +centurybot9@gmail.com |
| 31 | 3 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 32 | 3 | 0.00 | 3 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 33 | 2 | 0.00 | 1 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 34 | 2 | 0.00 | 2 | 0.00 | Auto; Windows |
| 35 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 36 | 2 | 0.00 | 0 | 0.00 | +http://cliqz.com/company/cliqzbot |
| 37 | 2 | 0.00 | 1 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 38 | 2 | 0.00 | 2 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 39 | 1 | 0.00 | 0 | 0.00 | Windows Vista 3.6 |
| 40 | 1 | 0.00 | 1 | 0.00 | Windows CE |
| 41 | 1 | 0.00 | 0 | 0.00 | Windows 9 |
| 42 | 1 | 0.00 | 0 | 0.00 | BlackBerry 7.0 |
| 43 | 1 | 0.00 | 1 | 0.00 | +http://www.wmtips.com/tools/ |
| 44 | 1 | 0.00 | 0 | 0.00 | BitLinux 2.2 |
