| Used Operating Systems |
| 1 | 2925 | 45.15 | 1956 | 74.15 | +http://www.baidu.com/search/spider.html |
| 2 | 1309 | 20.20 | 362 | 13.72 | +http://www.google.com/bot.html |
| 3 | 625 | 9.65 | 12 | 0.45 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 555 | 8.57 | 146 | 5.53 | Windows NT |
| 5 | 495 | 7.64 | 84 | 3.18 | +http://yandex.com/bots |
| 6 | 189 | 2.92 | 0 | 0.00 | http://www.youdao.com/help/webmaster/spi... |
| 7 | 75 | 1.16 | 12 | 0.45 | +http://www.bing.com/bingbot.htm |
| 8 | 73 | 1.13 | 0 | 0.00 | ezooms.bot@gmail.com |
| 9 | 52 | 0.80 | 6 | 0.23 | +http://www.exabot.com/go/robot |
| 10 | 23 | 0.35 | 9 | 0.34 | Windows 98 |
| 11 | 21 | 0.32 | 1 | 0.04 | +http://www.warebay.com/bot.html |
| 12 | 21 | 0.32 | 8 | 0.30 | +http://ahrefs.com/robot/ |
| 13 | 20 | 0.31 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 14 | 19 | 0.29 | 7 | 0.27 | http://crawler.sistrix.net/ |
| 15 | 18 | 0.28 | 4 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 8 | 0.12 | 0 | 0.00 | +http://shoulu.jike.com/spider.html |
| 17 | 7 | 0.11 | 3 | 0.11 | Linux i686 [unknown version] |
| 18 | 7 | 0.11 | 5 | 0.19 | MSIE 5.5; Windows NT 4.0 |
| 19 | 6 | 0.09 | 4 | 0.15 | +info@netcraft.com |
| 20 | 5 | 0.08 | 0 | 0.00 | +http://discoveryengine.com/discobot.htm... |
| 21 | 5 | 0.08 | 1 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 22 | 5 | 0.08 | 5 | 0.19 | Windows ME |
| 23 | 4 | 0.06 | 4 | 0.15 | Windows 95 |
| 24 | 4 | 0.06 | 2 | 0.08 | +http://www.seoprofiler.com/bot |
| 25 | 2 | 0.03 | 2 | 0.08 | Windows 2000 |
| 26 | 2 | 0.03 | 2 | 0.08 | Windows 3.1 |
| 27 | 2 | 0.03 | 1 | 0.04 | +http://domains.checkparams.com/ |
| 28 | 1 | 0.02 | 1 | 0.04 | Windows CE |
| 29 | 1 | 0.02 | 1 | 0.04 | MSIE 5.5; Windows NT 5.0 |
