| Used Operating Systems |
| 1 | 7247 | 50.04 | 1362 | 27.83 | Windows NT |
| 2 | 3058 | 21.11 | 2646 | 54.07 | +http://www.baidu.com/search/spider.html |
| 3 | 685 | 4.73 | 223 | 4.56 | +http://www.bing.com/bingbot.htm |
| 4 | 596 | 4.12 | 68 | 1.39 | +http://yandex.com/bots |
| 5 | 589 | 4.07 | 147 | 3.00 | ezooms.bot@gmail.com |
| 6 | 548 | 3.78 | 4 | 0.08 | http://crawler.sistrix.net/ |
| 7 | 509 | 3.51 | 52 | 1.06 | +http://www.google.com/bot.html |
| 8 | 240 | 1.66 | 69 | 1.41 | +http://ahrefs.com/robot/ |
| 9 | 197 | 1.36 | 11 | 0.22 | +http://siteexplorer.info/ |
| 10 | 109 | 0.75 | 85 | 1.74 | +http://www.mfgpages.com |
| 11 | 98 | 0.68 | 2 | 0.04 | +http://www.solomono.ru |
| 12 | 95 | 0.66 | 24 | 0.49 | +http://www.semrush.com/bot.html |
| 13 | 76 | 0.52 | 35 | 0.72 | http://www.majestic12.co.uk/bot.php?+ |
| 14 | 53 | 0.37 | 42 | 0.86 | +http://help.soso.com/webspider.htm |
| 15 | 44 | 0.30 | 4 | 0.08 | Linux [unknown version] |
| 16 | 44 | 0.30 | 17 | 0.35 | +http://www.exabot.com/go/robot |
| 17 | 42 | 0.29 | 21 | 0.43 | +http://www.career-x.de/bot.html |
| 18 | 36 | 0.25 | 2 | 0.04 | +http://domains.checkparams.com/ |
| 19 | 35 | 0.24 | 12 | 0.25 | Windows 98 |
| 20 | 20 | 0.14 | 15 | 0.31 | +http://shoulu.jike.com/spider.html |
| 21 | 18 | 0.12 | 7 | 0.14 | Windows 95 |
| 22 | 16 | 0.11 | 0 | 0.00 | Windows 9. |
| 23 | 13 | 0.09 | 5 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 24 | 13 | 0.09 | 5 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 25 | 12 | 0.08 | 4 | 0.08 | http://www.searchmetrics.com/en/searchme... |
| 26 | 11 | 0.08 | 2 | 0.04 | Windows XP |
| 27 | 9 | 0.06 | 3 | 0.06 | Windows 3.1 |
| 28 | 9 | 0.06 | 3 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 29 | 8 | 0.06 | 6 | 0.12 | +info@netcraft.com |
| 30 | 6 | 0.04 | 2 | 0.04 | Windows CE |
| 31 | 6 | 0.04 | 0 | 0.00 | Macintosh PPC |
| 32 | 6 | 0.04 | 4 | 0.08 | +http://www.netseer.com/crawler.html; cr... |
| 33 | 6 | 0.04 | 2 | 0.04 | +http://wummel.github.com/linkchecker/ |
| 34 | 6 | 0.04 | 2 | 0.04 | Windows ME |
| 35 | 6 | 0.04 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 36 | 5 | 0.03 | 2 | 0.04 | MSIE 5.5; Windows 95 |
| 37 | 4 | 0.03 | 2 | 0.04 | +http://www.proximic.com/info/spider.php |
| 38 | 4 | 0.03 | 2 | 0.04 | ScoutJet; +http://blekko.com/about/blekk... |
| 39 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 40 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
