| Used Operating Systems |
| 1 | 25011 | 43.81 | 173 | 1.08 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11553 | 20.24 | 8936 | 55.90 | +http://ahrefs.com/robot/ |
| 3 | 10649 | 18.65 | 1277 | 7.99 | Windows NT |
| 4 | 5018 | 8.79 | 4187 | 26.19 | +http://www.baidu.com/search/spider.html |
| 5 | 1344 | 2.35 | 297 | 1.86 | +http://www.bing.com/bingbot.htm |
| 6 | 1235 | 2.16 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 7 | 366 | 0.64 | 142 | 0.89 | +http://www.linkdex.com/bots/ |
| 8 | 351 | 0.61 | 177 | 1.11 | +http://www.google.com/bot.html |
| 9 | 288 | 0.50 | 83 | 0.52 | +http://yandex.com/bots |
| 10 | 255 | 0.45 | 184 | 1.15 | +http://www.xovibot.net/ |
| 11 | 202 | 0.35 | 23 | 0.14 | Windows 98 |
| 12 | 153 | 0.27 | 118 | 0.74 | Windows 95 |
| 13 | 150 | 0.26 | 75 | 0.47 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 114 | 0.20 | 38 | 0.24 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 66 | 0.12 | 27 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 39 | 0.07 | 28 | 0.18 | Windows 2000 |
| 17 | 39 | 0.07 | 38 | 0.24 | +http://www.uptime.com/uptimebot |
| 18 | 32 | 0.06 | 25 | 0.16 | MSIE 5.5; Windows NT 4.0 |
| 19 | 31 | 0.05 | 26 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 20 | 28 | 0.05 | 24 | 0.15 | Windows ME |
| 21 | 26 | 0.05 | 21 | 0.13 | Windows 3.1 |
| 22 | 24 | 0.04 | 23 | 0.14 | ) - BrowseX (2.0.0 Windows |
| 23 | 21 | 0.04 | 20 | 0.13 | Windows CE |
| 24 | 21 | 0.04 | 20 | 0.13 | Auto; Windows |
| 25 | 16 | 0.03 | 6 | 0.04 | Windows XP |
| 26 | 14 | 0.02 | 1 | 0.01 | https://nmap.org/book/nse.html |
| 27 | 13 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 28 | 11 | 0.02 | 3 | 0.02 | +http://sur.ly/bot.html |
| 29 | 4 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 30 | 3 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 31 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 32 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 33 | 2 | 0.00 | 2 | 0.01 | Solaris 7.x |
| 34 | 1 | 0.00 | 1 | 0.01 | +https://gimmeusa.com/crawler.html |
| 35 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 36 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 37 | 1 | 0.00 | 1 | 0.01 | X11 |
