| Used Operating Systems |
| 1 | 38635 | 81.18 | 434 | 9.18 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3152 | 6.62 | 658 | 13.92 | Windows NT |
| 3 | 2832 | 5.95 | 2285 | 48.34 | +http://www.baidu.com/search/spider.html |
| 4 | 1089 | 2.29 | 581 | 12.29 | +http://www.bing.com/bingbot.htm |
| 5 | 1027 | 2.16 | 341 | 7.21 | +http://www.google.com/bot.html |
| 6 | 174 | 0.37 | 57 | 1.21 | +http://yandex.com/bots |
| 7 | 110 | 0.23 | 76 | 1.61 | Windows 95 |
| 8 | 86 | 0.18 | 25 | 0.53 | Windows 98 |
| 9 | 76 | 0.16 | 23 | 0.49 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 62 | 0.13 | 33 | 0.70 | +http://ahrefs.com/robot/ |
| 11 | 51 | 0.11 | 46 | 0.97 | +http://www.uptime.com/uptimebot |
| 12 | 47 | 0.10 | 18 | 0.38 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 29 | 0.06 | 17 | 0.36 | +http://www.semrush.com/bot.html |
| 14 | 26 | 0.05 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 15 | 21 | 0.04 | 18 | 0.38 | Windows 2000 |
| 16 | 21 | 0.04 | 16 | 0.34 | MSIE 5.5; Windows NT 5.0 |
| 17 | 18 | 0.04 | 14 | 0.30 | Auto; Windows |
| 18 | 17 | 0.04 | 13 | 0.28 | Windows 3.1 |
| 19 | 15 | 0.03 | 4 | 0.08 | Windows XP |
| 20 | 15 | 0.03 | 3 | 0.06 | http://filterdb.iss.net/crawler/ |
| 21 | 15 | 0.03 | 10 | 0.21 | MSIE 5.5; Windows NT 4.0 |
| 22 | 14 | 0.03 | 12 | 0.25 | Windows CE |
| 23 | 14 | 0.03 | 9 | 0.19 | Windows ME |
| 24 | 12 | 0.03 | 12 | 0.25 | ) - BrowseX (2.0.0 Windows |
| 25 | 10 | 0.02 | 5 | 0.11 | +http://www.exabot.com/go/robot |
| 26 | 8 | 0.02 | 4 | 0.08 | +http://www.linkdex.com/bots/ |
| 27 | 4 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 28 | 4 | 0.01 | 4 | 0.08 | +http://www.grapeshot.co.uk/crawler.php |
| 29 | 2 | 0.00 | 2 | 0.04 | +https://gimmeusa.com/crawler.html |
| 30 | 2 | 0.00 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 31 | 2 | 0.00 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 32 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
