| Used Operating Systems |
| 1 | 3625 | 42.90 | 1470 | 37.93 | Windows NT |
| 2 | 1655 | 19.59 | 1533 | 39.55 | +http://www.baidu.com/search/spider.html |
| 3 | 798 | 9.44 | 199 | 5.13 | ezooms.bot@gmail.com |
| 4 | 549 | 6.50 | 6 | 0.15 | http://crawler.sistrix.net/ |
| 5 | 413 | 4.89 | 118 | 3.04 | +http://yandex.com/bots |
| 6 | 334 | 3.95 | 186 | 4.80 | +http://www.bing.com/bingbot.htm |
| 7 | 278 | 3.29 | 91 | 2.35 | +http://www.google.com/bot.html |
| 8 | 248 | 2.93 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 9 | 131 | 1.55 | 20 | 0.52 | Windows 98 |
| 10 | 117 | 1.38 | 86 | 2.22 | +http://ahrefs.com/robot/ |
| 11 | 110 | 1.30 | 38 | 0.98 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 48 | 0.57 | 18 | 0.46 | +http://www.exabot.com/go/robot |
| 13 | 43 | 0.51 | 41 | 1.06 | Windows 95 |
| 14 | 21 | 0.25 | 2 | 0.05 | Linux i686 [unknown version] |
| 15 | 16 | 0.19 | 15 | 0.39 | MSIE 5.5; Windows NT 4.0 |
| 16 | 14 | 0.17 | 14 | 0.36 | Windows CE |
| 17 | 11 | 0.13 | 11 | 0.28 | Windows 2000 |
| 18 | 11 | 0.13 | 9 | 0.23 | Windows ME |
| 19 | 6 | 0.07 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 6 | 0.07 | 5 | 0.13 | Windows XP |
| 21 | 6 | 0.07 | 6 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 22 | 6 | 0.07 | 6 | 0.15 | Windows 3.1 |
| 23 | 2 | 0.02 | 0 | 0.00 | +http://discoveryengine.com/discobot.htm... |
| 24 | 2 | 0.02 | 1 | 0.03 | +info@netcraft.com |
