| Used Operating Systems |
| 1 | 20068 | 57.28 | 667 | 13.55 | +http://yandex.com/bots |
| 2 | 6360 | 18.15 | 108 | 2.19 | http://mj12bot.com/ |
| 3 | 4043 | 11.54 | 2926 | 59.42 | +http://www.baidu.com/search/spider.html |
| 4 | 2120 | 6.05 | 474 | 9.63 | Windows NT |
| 5 | 741 | 2.11 | 228 | 4.63 | +http://www.linkdex.com/bots/ |
| 6 | 602 | 1.72 | 161 | 3.27 | +http://www.google.com/bot.html |
| 7 | 549 | 1.57 | 171 | 3.47 | +http://www.bing.com/bingbot.htm |
| 8 | 86 | 0.25 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 9 | 70 | 0.20 | 28 | 0.57 | Windows 95 |
| 10 | 56 | 0.16 | 25 | 0.51 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 40 | 0.11 | 12 | 0.24 | Windows XP |
| 12 | 35 | 0.10 | 10 | 0.20 | Windows 98 |
| 13 | 31 | 0.09 | 30 | 0.61 | +http://www.uptime.com/uptimebot |
| 14 | 27 | 0.08 | 13 | 0.26 | +http://www.exabot.com/go/robot |
| 15 | 26 | 0.07 | 0 | 0.00 | Android |
| 16 | 21 | 0.06 | 9 | 0.18 | Windows CE |
| 17 | 20 | 0.06 | 9 | 0.18 | +http://ahrefs.com/robot/ |
| 18 | 20 | 0.06 | 7 | 0.14 | Windows ME |
| 19 | 20 | 0.06 | 8 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 20 | 16 | 0.05 | 3 | 0.06 | Windows 3.1 |
| 21 | 15 | 0.04 | 6 | 0.12 | Windows 2000 |
| 22 | 14 | 0.04 | 2 | 0.04 | http://filterdb.iss.net/crawler/ |
| 23 | 12 | 0.03 | 4 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 24 | 9 | 0.03 | 2 | 0.04 | +http://www.xovibot.net/ |
| 25 | 8 | 0.02 | 3 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 26 | 6 | 0.02 | 3 | 0.06 | +http://siteexplorer.info/Backlink-Check... |
| 27 | 6 | 0.02 | 5 | 0.10 | +info@netcraft.com |
| 28 | 4 | 0.01 | 2 | 0.04 | +http://napoveda.seznam.cz/en/seznambot-... |
| 29 | 3 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 30 | 2 | 0.01 | 1 | 0.02 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 31 | 2 | 0.01 | 2 | 0.04 | +http://www.google.com/bot.html,Yahoo! S... |
| 32 | 2 | 0.01 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 33 | 2 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
