| Used Operating Systems |
| 1 | 23775 | 40.23 | 1897 | 32.61 | Windows NT |
| 2 | 10327 | 17.47 | 355 | 6.10 | +http://ahrefs.com/robot/ |
| 3 | 9732 | 16.47 | 76 | 1.31 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 9413 | 15.93 | 3 | 0.05 | +http://megaindex.com/crawler |
| 5 | 3784 | 6.40 | 2778 | 47.75 | +http://www.baidu.com/search/spider.html |
| 6 | 639 | 1.08 | 205 | 3.52 | +http://www.linkdex.com/bots/ |
| 7 | 463 | 0.78 | 68 | 1.17 | +http://www.bing.com/bingbot.htm |
| 8 | 450 | 0.76 | 173 | 2.97 | +http://www.google.com/bot.html |
| 9 | 143 | 0.24 | 60 | 1.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 112 | 0.19 | 51 | 0.88 | +http://yandex.com/bots |
| 11 | 91 | 0.15 | 35 | 0.60 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 50 | 0.08 | 24 | 0.41 | Windows 98 |
| 13 | 35 | 0.06 | 28 | 0.48 | Windows 95 |
| 14 | 20 | 0.03 | 12 | 0.21 | +http://www.exabot.com/go/robot |
| 15 | 8 | 0.01 | 4 | 0.07 | Windows XP |
| 16 | 7 | 0.01 | 7 | 0.12 | Windows CE |
| 17 | 7 | 0.01 | 7 | 0.12 | Windows ME |
| 18 | 6 | 0.01 | 5 | 0.09 | Windows 3.1 |
| 19 | 5 | 0.01 | 5 | 0.09 | Windows 2000 |
| 20 | 5 | 0.01 | 5 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 21 | 5 | 0.01 | 5 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 22 | 4 | 0.01 | 4 | 0.07 | Auto; Windows |
| 23 | 3 | 0.01 | 3 | 0.05 | http://nmap.org/book/nse.html |
| 24 | 3 | 0.01 | 3 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 25 | 2 | 0.00 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 26 | 2 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
| 27 | 2 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 28 | 2 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 29 | 2 | 0.00 | 1 | 0.02 | +http://fulltext.sblog.cz/ |
| 30 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 31 | 1 | 0.00 | 1 | 0.02 | Android 2.3.5 |
