| Used Operating Systems |
| 1 | 28550 | 29.39 | 364 | 3.09 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 20862 | 21.47 | 6618 | 56.13 | +http://ahrefs.com/robot/ |
| 3 | 16344 | 16.82 | 995 | 8.44 | Windows NT |
| 4 | 12992 | 13.37 | 3 | 0.03 | +http://megaindex.com/crawler |
| 5 | 12284 | 12.64 | 2978 | 25.26 | +http://www.baidu.com/search/spider.html |
| 6 | 1999 | 2.06 | 204 | 1.73 | +http://yandex.com/bots |
| 7 | 1579 | 1.63 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 8 | 610 | 0.63 | 100 | 0.85 | +http://www.bing.com/bingbot.htm |
| 9 | 591 | 0.61 | 135 | 1.14 | +http://www.linkdex.com/bots/ |
| 10 | 373 | 0.38 | 155 | 1.31 | +http://www.google.com/bot.html |
| 11 | 173 | 0.18 | 10 | 0.08 | Windows 3.1 |
| 12 | 138 | 0.14 | 29 | 0.25 | Windows 95 |
| 13 | 118 | 0.12 | 10 | 0.08 | Windows CE |
| 14 | 111 | 0.11 | 3 | 0.03 | Windows ME |
| 15 | 104 | 0.11 | 35 | 0.30 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 92 | 0.09 | 28 | 0.24 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 87 | 0.09 | 51 | 0.43 | +http://www.semrush.com/bot.html |
| 18 | 38 | 0.04 | 13 | 0.11 | +http://www.exabot.com/go/robot |
| 19 | 20 | 0.02 | 11 | 0.09 | Windows 98 |
| 20 | 19 | 0.02 | 2 | 0.02 | +http://siteexplorer.info/ |
| 21 | 12 | 0.01 | 11 | 0.09 | Windows 2000 |
| 22 | 12 | 0.01 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 23 | 9 | 0.01 | 9 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 24 | 6 | 0.01 | 4 | 0.03 | Windows XP |
| 25 | 6 | 0.01 | 6 | 0.05 | +http://www.xovibot.net/ |
| 26 | 6 | 0.01 | 2 | 0.02 | +http://webmeup-crawler.com/ |
| 27 | 4 | 0.00 | 4 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 28 | 2 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 29 | 2 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 30 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 31 | 1 | 0.00 | 1 | 0.01 | Android |
| 32 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
