| Used Operating Systems |
| 1 | 3021 | 31.48 | 167 | 4.66 | Windows NT |
| 2 | 2906 | 30.28 | 2599 | 72.52 | +http://www.baidu.com/search/spider.html |
| 3 | 1170 | 12.19 | 419 | 11.69 | +http://www.google.com/bot.html |
| 4 | 838 | 8.73 | 91 | 2.54 | +http://yandex.com/bots |
| 5 | 488 | 5.09 | 149 | 4.16 | +http://www.bing.com/bingbot.htm |
| 6 | 338 | 3.52 | 11 | 0.31 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 220 | 2.29 | 10 | 0.28 | http://crawler.sistrix.net/ |
| 8 | 218 | 2.27 | 6 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 202 | 2.11 | 79 | 2.20 | ezooms.bot@gmail.com |
| 10 | 34 | 0.35 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 11 | 27 | 0.28 | 21 | 0.59 | +http://ahrefs.com/robot/ |
| 12 | 25 | 0.26 | 3 | 0.08 | Linux i686 [unknown version] |
| 13 | 16 | 0.17 | 0 | 0.00 | Windows 95 |
| 14 | 16 | 0.17 | 9 | 0.25 | +http://www.exabot.com/go/robot |
| 15 | 13 | 0.14 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 16 | 10 | 0.10 | 5 | 0.14 | +http://shoulu.jike.com/spider.html |
| 17 | 8 | 0.08 | 4 | 0.11 | Intel Mac OS X 10.4 |
| 18 | 8 | 0.08 | 0 | 0.00 | Windows ME |
| 19 | 8 | 0.08 | 0 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 20 | 5 | 0.05 | 2 | 0.06 | +info@netcraft.com |
| 21 | 4 | 0.04 | 0 | 0.00 | Auto; Windows |
| 22 | 4 | 0.04 | 0 | 0.00 | Windows CE |
| 23 | 4 | 0.04 | 0 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 24 | 4 | 0.04 | 2 | 0.06 | Windows 3.1 |
| 25 | 4 | 0.04 | 3 | 0.08 | Windows 98 |
| 26 | 3 | 0.03 | 0 | 0.00 | Windows XP |
| 27 | 2 | 0.02 | 2 | 0.06 | +http://domains.checkparams.com/ |