| Used Operating Systems |
| 1 | 7888 | 51.33 | 2480 | 49.39 | +http://ahrefs.com/robot/ |
| 2 | 2220 | 14.45 | 1078 | 21.47 | Windows NT |
| 3 | 1348 | 8.77 | 132 | 2.63 | +http://yandex.com/bots |
| 4 | 1135 | 7.39 | 23 | 0.46 | http://mj12bot.com/ |
| 5 | 955 | 6.21 | 578 | 11.51 | +http://www.baidu.com/search/spider.html |
| 6 | 671 | 4.37 | 195 | 3.88 | +http://www.bing.com/bingbot.htm |
| 7 | 219 | 1.43 | 101 | 2.01 | +http://www.semrush.com/bot.html |
| 8 | 181 | 1.18 | 92 | 1.83 | +http://www.google.com/bot.html |
| 9 | 148 | 0.96 | 24 | 0.48 | +http://www.exabot.com/go/robot |
| 10 | 128 | 0.83 | 9 | 0.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 110 | 0.72 | 98 | 1.95 | Windows 95 |
| 12 | 76 | 0.49 | 29 | 0.58 | +http://www.linkdex.com/bots/ |
| 13 | 75 | 0.49 | 31 | 0.62 | Windows 98 |
| 14 | 25 | 0.16 | 8 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 24 | 0.16 | 20 | 0.40 | Windows 3.1 |
| 16 | 20 | 0.13 | 18 | 0.36 | Windows CE |
| 17 | 20 | 0.13 | 19 | 0.38 | MSIE 5.5; Windows NT 5.0 |
| 18 | 19 | 0.12 | 18 | 0.36 | ) - BrowseX (2.0.0 Windows |
| 19 | 16 | 0.10 | 16 | 0.32 | Auto; Windows |
| 20 | 16 | 0.10 | 5 | 0.10 | Windows XP |
| 21 | 15 | 0.10 | 15 | 0.30 | Windows 2000 |
| 22 | 14 | 0.09 | 13 | 0.26 | MSIE 5.5; Windows NT 4.0 |
| 23 | 12 | 0.08 | 4 | 0.08 | +http://www.pinterest.com/bot.html |
| 24 | 12 | 0.08 | 11 | 0.22 | Windows ME |
| 25 | 8 | 0.05 | 0 | 0.00 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 26 | 8 | 0.05 | 2 | 0.04 | http://filterdb.iss.net/crawler/ |
| 27 | 2 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 28 | 2 | 0.01 | 2 | 0.04 | +info@netcraft.com |
