| Used Operating Systems |
| 1 | 11451 | 34.80 | 243 | 4.46 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4452 | 13.53 | 777 | 14.27 | Windows NT |
| 3 | 4322 | 13.13 | 3236 | 59.44 | +http://www.baidu.com/search/spider.html |
| 4 | 3939 | 11.97 | 362 | 6.65 | +http://yandex.com/bots |
| 5 | 3199 | 9.72 | 1 | 0.02 | +http://megaindex.com/crawler |
| 6 | 3005 | 9.13 | 3 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 7 | 929 | 2.82 | 336 | 6.17 | +http://www.google.com/bot.html |
| 8 | 877 | 2.67 | 244 | 4.48 | +http://www.bing.com/bingbot.htm |
| 9 | 226 | 0.69 | 18 | 0.33 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 91 | 0.28 | 72 | 1.32 | Windows 95 |
| 11 | 90 | 0.27 | 24 | 0.44 | +http://www.linkdex.com/bots/ |
| 12 | 70 | 0.21 | 12 | 0.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 42 | 0.13 | 18 | 0.33 | Windows 98 |
| 14 | 33 | 0.10 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 15 | 30 | 0.09 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 16 | 27 | 0.08 | 4 | 0.07 | +spider@seoscanners.net |
| 17 | 18 | 0.05 | 17 | 0.31 | MSIE 5.5; Windows NT 4.0 |
| 18 | 15 | 0.05 | 11 | 0.20 | Windows ME |
| 19 | 12 | 0.04 | 12 | 0.22 | Windows 2000 |
| 20 | 12 | 0.04 | 11 | 0.20 | Auto; Windows |
| 21 | 11 | 0.03 | 11 | 0.20 | Windows CE |
| 22 | 10 | 0.03 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 23 | 10 | 0.03 | 4 | 0.07 | Windows XP |
| 24 | 9 | 0.03 | 8 | 0.15 | Windows 3.1 |
| 25 | 8 | 0.02 | 1 | 0.02 | +http://siteexplorer.info/ |
| 26 | 7 | 0.02 | 7 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 27 | 4 | 0.01 | 3 | 0.06 | +info@netcraft.com |
| 28 | 4 | 0.01 | 4 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 29 | 2 | 0.01 | 2 | 0.04 | OpenBSD [unknown version] |
| 30 | 2 | 0.01 | 0 | 0.00 | +http://www.findxbot.com |
| 31 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
