| Used Operating Systems |
| 1 | 1023 | 18.79 | 803 | 46.18 | +http://www.baidu.com/search/spider.html |
| 2 | 831 | 15.26 | 46 | 2.65 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 812 | 14.92 | 273 | 15.70 | Windows NT |
| 4 | 613 | 11.26 | 90 | 5.18 | +http://yandex.com/bots |
| 5 | 335 | 6.15 | 110 | 6.33 | +http://www.google.com/bot.html |
| 6 | 329 | 6.04 | 41 | 2.36 | +http://www.bing.com/bingbot.htm |
| 7 | 308 | 5.66 | 2 | 0.12 | +http://swebot-crawler.net |
| 8 | 250 | 4.59 | 1 | 0.06 | +http://www.warebay.com/bot.html |
| 9 | 237 | 4.35 | 75 | 4.31 | ezooms.bot@gmail.com |
| 10 | 158 | 2.90 | 60 | 3.45 | +http://ahrefs.com/robot/ |
| 11 | 143 | 2.63 | 141 | 8.11 | http://www.yodao.com/help/webmaster/spid... |
| 12 | 134 | 2.46 | 6 | 0.35 | http://crawler.sistrix.net/ |
| 13 | 49 | 0.90 | 5 | 0.29 | Windows CE |
| 14 | 44 | 0.81 | 3 | 0.17 | +http://www.exabot.com/go/robot |
| 15 | 36 | 0.66 | 17 | 0.98 | Windows 98 |
| 16 | 26 | 0.48 | 21 | 1.21 | Windows 95 |
| 17 | 18 | 0.33 | 6 | 0.35 | Windows ME |
| 18 | 13 | 0.24 | 1 | 0.06 | +http://www.aihit.com/ |
| 19 | 12 | 0.22 | 2 | 0.12 | Linux i686 [unknown version] |
| 20 | 10 | 0.18 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 21 | 9 | 0.17 | 7 | 0.40 | MSIE 5.5; Windows NT 5.0 |
| 22 | 8 | 0.15 | 4 | 0.23 | http://www.youdao.com/help/webmaster/spi... |
| 23 | 7 | 0.13 | 3 | 0.17 | Windows XP |
| 24 | 7 | 0.13 | 2 | 0.12 | ScoutJet; +http://blekko.com/about/blekk... |
| 25 | 6 | 0.11 | 4 | 0.23 | +info@netcraft.com |
| 26 | 6 | 0.11 | 5 | 0.29 | MSIE 5.5; Windows NT 4.0 |
| 27 | 5 | 0.09 | 1 | 0.06 | +http://filterdb.iss.net/crawler/ |
| 28 | 4 | 0.07 | 4 | 0.23 | Auto; Windows |
| 29 | 4 | 0.07 | 0 | 0.00 | +http://discoveryengine.com/discobot.htm... |
| 30 | 2 | 0.04 | 2 | 0.12 | Windows 2000 |
| 31 | 2 | 0.04 | 2 | 0.12 | Windows 3.1 |
| 32 | 2 | 0.04 | 1 | 0.06 | +http://domains.checkparams.com/ |
| 33 | 1 | 0.02 | 1 | 0.06 | ) - BrowseX (2.0.0 Windows |
