| Used Operating Systems |
| 1 | 4411 | 61.56 | 730 | 45.29 | Windows NT |
| 2 | 1201 | 16.76 | 241 | 14.95 | +http://www.google.com/bot.html |
| 3 | 788 | 11.00 | 307 | 19.04 | +http://www.bing.com/bingbot.htm |
| 4 | 179 | 2.50 | 109 | 6.76 | +http://ahrefs.com/robot/ |
| 5 | 128 | 1.79 | 91 | 5.65 | +http://www.baidu.com/search/spider.html |
| 6 | 101 | 1.41 | 20 | 1.24 | +http://yandex.com/bots |
| 7 | 84 | 1.17 | 20 | 1.24 | MirrorDetector; +http://yandex.com/bots |
| 8 | 80 | 1.12 | 5 | 0.31 | http://crawler.sistrix.net/ |
| 9 | 63 | 0.88 | 27 | 1.67 | ezooms.bot@gmail.com |
| 10 | 38 | 0.53 | 3 | 0.19 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 31 | 0.43 | 29 | 1.80 | MSIE 5.5; Windows NT 5.0 |
| 12 | 13 | 0.18 | 12 | 0.74 | +http://www.easou.com/search/spider.html |
| 13 | 13 | 0.18 | 5 | 0.31 | +http://www.exabot.com/go/robot |
| 14 | 11 | 0.15 | 3 | 0.19 | +http://go.mail.ru/help/robots |
| 15 | 8 | 0.11 | 2 | 0.12 | +http://siteexplorer.info/ |
| 16 | 5 | 0.07 | 2 | 0.12 | X11 |
| 17 | 4 | 0.06 | 1 | 0.06 | Intel Mac OS X 10.4 |
| 18 | 4 | 0.06 | 2 | 0.12 | +http://discoveryengine.com/discoverybot... |
| 19 | 1 | 0.01 | 1 | 0.06 | Windows 98 |
| 20 | 1 | 0.01 | 1 | 0.06 | +info@netcraft.com |
| 21 | 1 | 0.01 | 1 | 0.06 | Linux i686 [unknown version] |
