| Used Operating Systems |
| 1 | 1779 | 30.28 | 744 | 24.32 | Windows NT |
| 2 | 1637 | 27.86 | 1526 | 49.89 | +http://www.baidu.com/search/spider.html |
| 3 | 984 | 16.75 | 325 | 10.62 | +http://www.google.com/bot.html |
| 4 | 664 | 11.30 | 184 | 6.02 | +http://www.bing.com/bingbot.htm |
| 5 | 128 | 2.18 | 17 | 0.56 | http://mj12bot.com/ |
| 6 | 96 | 1.63 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 7 | 96 | 1.63 | 34 | 1.11 | +http://yandex.com/bots |
| 8 | 58 | 0.99 | 51 | 1.67 | Windows 95 |
| 9 | 47 | 0.80 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 10 | 46 | 0.78 | 10 | 0.33 | +http://ahrefs.com/robot/ |
| 11 | 44 | 0.75 | 16 | 0.52 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 41 | 0.70 | 7 | 0.23 | http://www.majestic12.co.uk/bot.php?+ |
| 13 | 36 | 0.61 | 21 | 0.69 | Windows 98 |
| 14 | 24 | 0.41 | 12 | 0.39 | +http://duckduckgo.com |
| 15 | 22 | 0.37 | 7 | 0.23 | +http://napoveda.seznam.cz/en/seznambot-... |
| 16 | 20 | 0.34 | 9 | 0.29 | Windows XP |
| 17 | 18 | 0.31 | 5 | 0.16 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 12 | 0.20 | 10 | 0.33 | Windows 2000 |
| 19 | 12 | 0.20 | 3 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 20 | 12 | 0.20 | 2 | 0.07 | +http://webmeup-crawler.com/ |
| 21 | 11 | 0.19 | 9 | 0.29 | Windows CE |
| 22 | 11 | 0.19 | 10 | 0.33 | Auto; Windows |
| 23 | 11 | 0.19 | 11 | 0.36 | ) - BrowseX (2.0.0 Windows |
| 24 | 10 | 0.17 | 8 | 0.26 | Windows 3.1 |
| 25 | 8 | 0.14 | 4 | 0.13 | +http://www.exabot.com/go/robot |
| 26 | 8 | 0.14 | 4 | 0.13 | +http://help.coccoc.com/searchengine |
| 27 | 7 | 0.12 | 7 | 0.23 | Windows ME |
| 28 | 7 | 0.12 | 7 | 0.23 | MSIE 5.5; Windows NT 5.0 |
| 29 | 7 | 0.12 | 6 | 0.20 | MSIE 5.5; Windows NT 4.0 |
| 30 | 2 | 0.03 | 1 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 31 | 2 | 0.03 | 1 | 0.03 | +https://deusu.de/robot.html |
| 32 | 2 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 33 | 2 | 0.03 | 1 | 0.03 | +http://www.linkpad.ru |
| 34 | 2 | 0.03 | 1 | 0.03 | Linux [unknown version] |
| 35 | 2 | 0.03 | 2 | 0.07 | http://nmap.org/book/nse.html |
| 36 | 2 | 0.03 | 2 | 0.07 | +http://www.uptime.com/uptimebot |
| 37 | 2 | 0.03 | 1 | 0.03 | +info@netcraft.com |
| 38 | 2 | 0.03 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.2022; Windows NT ... |
| 39 | 1 | 0.02 | 1 | 0.03 | Linux i586 [unknown version] |
