| Used Operating Systems |
| 1 | 13912 | 52.63 | 223 | 3.34 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4513 | 17.07 | 3023 | 45.29 | +http://ahrefs.com/robot/ |
| 3 | 2094 | 7.92 | 1867 | 27.97 | +http://www.baidu.com/search/spider.html |
| 4 | 1385 | 5.24 | 381 | 5.71 | Windows NT |
| 5 | 1301 | 4.92 | 103 | 1.54 | +http://yandex.com/bots |
| 6 | 1080 | 4.09 | 467 | 7.00 | +http://www.google.com/bot.html |
| 7 | 834 | 3.15 | 243 | 3.64 | +http://www.bing.com/bingbot.htm |
| 8 | 330 | 1.25 | 100 | 1.50 | +http://www.linkdex.com/bots/ |
| 9 | 208 | 0.79 | 26 | 0.39 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 181 | 0.68 | 5 | 0.07 | +http://siteexplorer.info/ |
| 11 | 140 | 0.53 | 2 | 0.03 | +https://www.aihitdata.com/about |
| 12 | 102 | 0.39 | 93 | 1.39 | +http://www.xovibot.net/ |
| 13 | 81 | 0.31 | 25 | 0.37 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 53 | 0.20 | 18 | 0.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 50 | 0.19 | 4 | 0.06 | +spider@seoscanners.net |
| 16 | 48 | 0.18 | 22 | 0.33 | +http://www.semrush.com/bot.html |
| 17 | 18 | 0.07 | 3 | 0.04 | +http://www.profound.net/domainappender |
| 18 | 17 | 0.06 | 16 | 0.24 | Windows 95 |
| 19 | 13 | 0.05 | 2 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 11 | 0.04 | 7 | 0.10 | Windows 98 |
| 21 | 9 | 0.03 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 22 | 8 | 0.03 | 2 | 0.03 | +info@netcraft.com |
| 23 | 6 | 0.02 | 6 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 24 | 5 | 0.02 | 4 | 0.06 | Windows XP |
| 25 | 5 | 0.02 | 4 | 0.06 | Windows ME |
| 26 | 4 | 0.02 | 4 | 0.06 | Windows 3.1 |
| 27 | 4 | 0.02 | 4 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 28 | 4 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 29 | 4 | 0.02 | 1 | 0.01 | +http://duckduckgo.com |
| 30 | 3 | 0.01 | 3 | 0.04 | Windows CE |
| 31 | 2 | 0.01 | 2 | 0.03 | Windows 2000 |
| 32 | 2 | 0.01 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 33 | 2 | 0.01 | 2 | 0.03 | Auto; Windows |
| 34 | 2 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 35 | 2 | 0.01 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 36 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 37 | 1 | 0.00 | 1 | 0.01 | Linux i586 [unknown version] |
| 38 | 1 | 0.00 | 1 | 0.01 | X11 |
