| Used Operating Systems |
| 1 | 18799 | 22.16 | 336 | 1.19 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 18221 | 21.48 | 13842 | 49.16 | +http://www.baidu.com/search/spider.html |
| 3 | 12273 | 14.47 | 503 | 1.79 | +http://www.semrush.com/bot.html |
| 4 | 10205 | 12.03 | 8248 | 29.29 | +http://ahrefs.com/robot/ |
| 5 | 5048 | 5.95 | 1882 | 6.68 | +http://www.google.com/bot.html |
| 6 | 4004 | 4.72 | 4 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 7 | 3363 | 3.97 | 1 | 0.00 | +http://megaindex.com/crawler |
| 8 | 3170 | 3.74 | 943 | 3.35 | +http://www.bing.com/bingbot.htm |
| 9 | 2490 | 2.94 | 343 | 1.22 | +http://yandex.com/bots |
| 10 | 2361 | 2.78 | 594 | 2.11 | Windows NT |
| 11 | 2026 | 2.39 | 573 | 2.03 | +http://www.linkdex.com/bots/ |
| 12 | 831 | 0.98 | 475 | 1.69 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 474 | 0.56 | 79 | 0.28 | +http://www.profound.net/domainappender |
| 14 | 340 | 0.40 | 1 | 0.00 | +http://www.warebay.com/bot.html |
| 15 | 289 | 0.34 | 4 | 0.01 | +http://siteexplorer.info/ |
| 16 | 248 | 0.29 | 1 | 0.00 | Linux i586 [unknown version] |
| 17 | 128 | 0.15 | 1 | 0.00 | +http://webmeup-crawler.com/ |
| 18 | 126 | 0.15 | 60 | 0.21 | +http://napoveda.seznam.cz/en/seznambot-... |
| 19 | 125 | 0.15 | 116 | 0.41 | +http://www.xovibot.net/ |
| 20 | 56 | 0.07 | 29 | 0.10 | +http://www.proximic.com/info/spider.php |
| 21 | 46 | 0.05 | 26 | 0.09 | +http://www.exabot.com/go/robot |
| 22 | 27 | 0.03 | 3 | 0.01 | +http://www.seokicks.de/robot.html |
| 23 | 26 | 0.03 | 14 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 24 | 18 | 0.02 | 18 | 0.06 | Windows 95 |
| 25 | 14 | 0.02 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 26 | 12 | 0.01 | 1 | 0.00 | +https://www.dataprovider.com/ |
| 27 | 12 | 0.01 | 5 | 0.02 | +http://duckduckgo.com |
| 28 | 11 | 0.01 | 1 | 0.00 | crawler@mixrank.com |
| 29 | 10 | 0.01 | 2 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 30 | 8 | 0.01 | 7 | 0.02 | Windows 98 |
| 31 | 6 | 0.01 | 5 | 0.02 | +http://glutenfreepleasure.com/ |
| 32 | 6 | 0.01 | 5 | 0.02 | Windows XP |
| 33 | 6 | 0.01 | 3 | 0.01 | +spider@seoscanners.net |
| 34 | 5 | 0.01 | 4 | 0.01 | Windows 3.1 |
| 35 | 5 | 0.01 | 5 | 0.02 | Linux i686 [unknown version] |
| 36 | 4 | 0.00 | 2 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 37 | 4 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 38 | 3 | 0.00 | 3 | 0.01 | Windows 2000 |
| 39 | 3 | 0.00 | 3 | 0.01 | Windows ME |
| 40 | 3 | 0.00 | 3 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 41 | 2 | 0.00 | 2 | 0.01 | Auto; Windows |
| 42 | 2 | 0.00 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 43 | 2 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 44 | 2 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.6 |
| 45 | 1 | 0.00 | 1 | 0.00 | Windows CE |
| 46 | 1 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 5.0 |
