| Used Operating Systems |
| 1 | 15187 | 54.64 | 300 | 6.31 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4444 | 15.99 | 959 | 20.17 | Windows NT |
| 3 | 2750 | 9.89 | 172 | 3.62 | +http://yandex.com/bots |
| 4 | 2604 | 9.37 | 2238 | 47.08 | +http://www.baidu.com/search/spider.html |
| 5 | 896 | 3.22 | 453 | 9.53 | +http://www.google.com/bot.html |
| 6 | 698 | 2.51 | 197 | 4.14 | +http://www.bing.com/bingbot.htm |
| 7 | 282 | 1.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 8 | 251 | 0.90 | 147 | 3.09 | +http://www.linkdex.com/bots/ |
| 9 | 103 | 0.37 | 54 | 1.14 | Windows 95 |
| 10 | 86 | 0.31 | 31 | 0.65 | Windows 98 |
| 11 | 68 | 0.24 | 23 | 0.48 | Windows XP |
| 12 | 63 | 0.23 | 8 | 0.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 62 | 0.22 | 1 | 0.02 | +http://napoveda.seznam.cz/en/seznambot-... |
| 14 | 36 | 0.13 | 11 | 0.23 | +http://www.proximic.com/info/spider.php |
| 15 | 29 | 0.10 | 6 | 0.13 | +http://ahrefs.com/robot/ |
| 16 | 21 | 0.08 | 20 | 0.42 | +http://www.xovibot.net/ |
| 17 | 16 | 0.06 | 3 | 0.06 | +http://www.semrush.com/bot.html |
| 18 | 15 | 0.05 | 10 | 0.21 | Windows 2000 |
| 19 | 14 | 0.05 | 10 | 0.21 | Windows CE |
| 20 | 14 | 0.05 | 7 | 0.15 | Auto; Windows |
| 21 | 14 | 0.05 | 13 | 0.27 | MSIE 5.5; Windows NT 5.0 |
| 22 | 12 | 0.04 | 6 | 0.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 23 | 12 | 0.04 | 11 | 0.23 | ) - BrowseX (2.0.0 Windows |
| 24 | 12 | 0.04 | 10 | 0.21 | MSIE 5.5; Windows NT 4.0 |
| 25 | 11 | 0.04 | 8 | 0.17 | Windows ME |
| 26 | 10 | 0.04 | 5 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 27 | 10 | 0.04 | 4 | 0.08 | +spider@seoscanners.net |
| 28 | 10 | 0.04 | 5 | 0.11 | +http://www.exabot.com/go/robot |
| 29 | 9 | 0.03 | 9 | 0.19 | Windows 3.1 |
| 30 | 8 | 0.03 | 4 | 0.08 | +http://www.seokicks.de/robot.html |
| 31 | 7 | 0.03 | 7 | 0.15 | info@muso.com; +http://www.muso.com |
| 32 | 6 | 0.02 | 6 | 0.13 | Linux i686 [unknown version] |
| 33 | 5 | 0.02 | 1 | 0.02 | Android |
| 34 | 5 | 0.02 | 1 | 0.02 | +http://siteexplorer.info/ |
| 35 | 4 | 0.01 | 2 | 0.04 | Windows 76 |
| 36 | 4 | 0.01 | 2 | 0.04 | +http://duckduckgo.com |
| 37 | 3 | 0.01 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 38 | 3 | 0.01 | 1 | 0.02 | +https://www.dataprovider.com/ |
| 39 | 2 | 0.01 | 2 | 0.04 | +http://glutenfreepleasure.com/ |
| 40 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 41 | 1 | 0.00 | 1 | 0.02 | Windows 763 |
| 42 | 1 | 0.00 | 1 | 0.02 | Windows A5 |
| 43 | 1 | 0.00 | 1 | 0.02 | +https://rankval.com |
| 44 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 45 | 1 | 0.00 | 1 | 0.02 | +http://megaindex.com/crawler |
