| Used Operating Systems by Visits |
| 1 | 4138 | 27.39 | 3379 | 57.20 | +http://ahrefs.com/robot/ |
| 2 | 1722 | 11.40 | 1504 | 25.46 | +http://www.baidu.com/search/spider.html |
| 3 | 1335 | 8.84 | 481 | 8.14 | Windows NT |
| 4 | 420 | 2.78 | 157 | 2.66 | +http://www.google.com/bot.html |
| 5 | 300 | 1.99 | 114 | 1.93 | +http://www.bing.com/bingbot.htm |
| 6 | 6776 | 44.85 | 112 | 1.90 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 163 | 1.08 | 79 | 1.34 | +http://yandex.com/bots |
| 8 | 134 | 0.89 | 39 | 0.66 | +http://www.linkdex.com/bots/ |
| 9 | 66 | 0.44 | 18 | 0.30 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 21 | 0.14 | 7 | 0.12 | Windows 95 |
| 11 | 4 | 0.03 | 4 | 0.07 | +info@netcraft.com |
| 12 | 2 | 0.01 | 2 | 0.03 | Windows XP |
| 13 | 4 | 0.03 | 2 | 0.03 | Wayback Machine Live Record; +http://arc... |
| 14 | 6 | 0.04 | 2 | 0.03 | Windows 3.1 |
| 15 | 4 | 0.03 | 2 | 0.03 | +http://www.findxbot.com |
| 16 | 6 | 0.04 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 17 | 3 | 0.02 | 1 | 0.02 | Windows 2000 |
| 18 | 1 | 0.01 | 1 | 0.02 | Auto; Windows |
| 19 | 2 | 0.01 | 1 | 0.02 | +http://www.exabot.com/go/robot |
