| Used Operating Systems by Visits |
| 1 | 2917 | 15.34 | 2577 | 47.58 | +http://www.baidu.com/search/spider.html |
| 2 | 7213 | 37.93 | 1680 | 31.02 | Windows NT |
| 3 | 968 | 5.09 | 238 | 4.39 | ezooms.bot@gmail.com |
| 4 | 598 | 3.14 | 210 | 3.88 | +http://www.bing.com/bingbot.htm |
| 5 | 674 | 3.54 | 158 | 2.92 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 6 | 748 | 3.93 | 124 | 2.29 | +http://www.google.com/bot.html |
| 7 | 4234 | 22.27 | 87 | 1.61 | +http://yandex.com/bots |
| 8 | 80 | 0.42 | 67 | 1.24 | +http://www.mfgpages.com |
| 9 | 913 | 4.80 | 64 | 1.18 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 61 | 0.32 | 45 | 0.83 | Windows 95 |
| 11 | 65 | 0.34 | 21 | 0.39 | Windows 98 |
| 12 | 44 | 0.23 | 15 | 0.28 | +http://www.exabot.com/go/robot |
| 13 | 28 | 0.15 | 14 | 0.26 | +http://www.career-x.de/bot.html |
| 14 | 11 | 0.06 | 10 | 0.18 | +http://help.soso.com/webspider.htm |
| 15 | 11 | 0.06 | 10 | 0.18 | Windows 3.1 |
| 16 | 10 | 0.05 | 10 | 0.18 | MSIE 5.5; Windows NT 5.0 |
| 17 | 13 | 0.07 | 10 | 0.18 | MSIE 5.5; Windows NT 4.0 |
| 18 | 10 | 0.05 | 9 | 0.17 | Windows ME |
| 19 | 10 | 0.05 | 8 | 0.15 | Auto; Windows |
| 20 | 7 | 0.04 | 7 | 0.13 | Windows 2000 |
| 21 | 8 | 0.04 | 7 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 22 | 155 | 0.82 | 7 | 0.13 | +http://siteexplorer.info/ |
| 23 | 12 | 0.06 | 6 | 0.11 | http://crawler.sistrix.net/ |
| 24 | 8 | 0.04 | 6 | 0.11 | +info@netcraft.com |
| 25 | 5 | 0.03 | 4 | 0.07 | Windows CE |
| 26 | 12 | 0.06 | 3 | 0.06 | Windows XP |
| 27 | 17 | 0.09 | 3 | 0.06 | +http://www.semrush.com/bot.html |
| 28 | 6 | 0.03 | 3 | 0.06 | http://www.youdao.com/help/webmaster/spi... |
| 29 | 4 | 0.02 | 2 | 0.04 | +http://www.compspy.com/spider.html |
| 30 | 16 | 0.08 | 2 | 0.04 | +http://www.aihit.com/ |
| 31 | 60 | 0.32 | 2 | 0.04 | http://www.searchmetrics.com/en/searchme... |
| 32 | 4 | 0.02 | 2 | 0.04 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 33 | 4 | 0.02 | 2 | 0.04 | ScoutJet; +http://blekko.com/about/blekk... |
| 34 | 36 | 0.19 | 2 | 0.04 | Intel Mac OS X 10.6 |
| 35 | 1 | 0.01 | 1 | 0.02 | Linux [unknown version] |
| 36 | 9 | 0.05 | 0 | 0.00 | Macintosh PPC |
| 37 | 30 | 0.16 | 0 | 0.00 | Windows 9. |
| 38 | 8 | 0.04 | 0 | 0.00 | Linux 2.4.x |
| 39 | 2 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows 95 |
| 40 | 3 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
