| Used Operating Systems |
| 1 | 2616 | 45.07 | 2330 | 73.57 | +http://www.baidu.com/search/spider.html |
| 2 | 1404 | 24.19 | 214 | 6.76 | Windows NT |
| 3 | 953 | 16.42 | 363 | 11.46 | +http://www.google.com/bot.html |
| 4 | 480 | 8.27 | 99 | 3.13 | +http://yandex.com/bots |
| 5 | 167 | 2.88 | 89 | 2.81 | +http://www.bing.com/bingbot.htm |
| 6 | 38 | 0.65 | 28 | 0.88 | +http://ahrefs.com/robot/ |
| 7 | 26 | 0.45 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 8 | 20 | 0.34 | 2 | 0.06 | Linux i686 [unknown version] |
| 9 | 15 | 0.26 | 6 | 0.19 | Windows 98 |
| 10 | 12 | 0.21 | 6 | 0.19 | http://crawler.sistrix.net/ |
| 11 | 12 | 0.21 | 2 | 0.06 | +info@netcraft.com |
| 12 | 12 | 0.21 | 6 | 0.19 | +http://www.eventguru.com/spider.html |
| 13 | 11 | 0.19 | 3 | 0.09 | ezooms.bot@gmail.com |
| 14 | 9 | 0.16 | 4 | 0.13 | http://www.majestic12.co.uk/bot.php?+ |
| 15 | 8 | 0.14 | 4 | 0.13 | Windows 95 |
| 16 | 6 | 0.10 | 2 | 0.06 | Windows 2000 |
| 17 | 6 | 0.10 | 3 | 0.09 | +http://www.exabot.com/go/robot |
| 18 | 4 | 0.07 | 2 | 0.06 | +http://discoveryengine.com/discobot.htm... |
| 19 | 3 | 0.05 | 3 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 20 | 2 | 0.03 | 1 | 0.03 | Windows CE |
