| Used Operating Systems by Visits |
| 1 | 7847 | 7.85 | 6906 | 63.28 | +http://www.baidu.com/search/spider.html |
| 2 | 1277 | 1.28 | 980 | 8.98 | +http://ahrefs.com/robot/ |
| 3 | 38015 | 38.02 | 910 | 8.34 | +http://yandex.com/bots |
| 4 | 2448 | 2.45 | 487 | 4.46 | Windows NT |
| 5 | 703 | 0.70 | 352 | 3.23 | +http://www.google.com/bot.html |
| 6 | 618 | 0.62 | 328 | 3.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 794 | 0.79 | 277 | 2.54 | +http://www.bing.com/bingbot.htm |
| 8 | 38694 | 38.70 | 237 | 2.17 | http://mj12bot.com/ |
| 9 | 716 | 0.72 | 196 | 1.80 | +http://www.linkdex.com/bots/ |
| 10 | 57 | 0.06 | 54 | 0.49 | +http://www.uptime.com/uptimebot |
| 11 | 62 | 0.06 | 38 | 0.35 | +http://www.exabot.com/go/robot |
| 12 | 41 | 0.04 | 23 | 0.21 | Windows 95 |
| 13 | 4300 | 4.30 | 21 | 0.19 | +http://www.semrush.com/bot.html |
| 14 | 52 | 0.05 | 19 | 0.17 | Windows XP |
| 15 | 3668 | 3.67 | 16 | 0.15 | http://www.majestic12.co.uk/bot.php?+ |
| 16 | 17 | 0.02 | 10 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 12 | 0.01 | 10 | 0.09 | Windows 98 |
| 18 | 17 | 0.02 | 7 | 0.06 | Windows ME |
| 19 | 16 | 0.02 | 7 | 0.06 | Windows 3.1 |
| 20 | 10 | 0.01 | 5 | 0.05 | Auto; Windows |
| 21 | 6 | 0.01 | 4 | 0.04 | Windows CE |
| 22 | 518 | 0.52 | 4 | 0.04 | +http://www.warebay.com/bot.html |
| 23 | 7 | 0.01 | 3 | 0.03 | Windows 2000 |
| 24 | 6 | 0.01 | 3 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 25 | 7 | 0.01 | 3 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 26 | 4 | 0.00 | 2 | 0.02 | http://www.botje.com/plukkie.htm |
| 27 | 2 | 0.00 | 2 | 0.02 | Linux i686 [unknown version] |
| 28 | 18 | 0.02 | 2 | 0.02 | +http://www.seokicks.de/robot.html |
| 29 | 3 | 0.00 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 30 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 31 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 32 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 33 | 1 | 0.00 | 1 | 0.01 | X11 |
| 34 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 35 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 54 | 0.05 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
