| Used Operating Systems |
| 1 | 16228 | 62.78 | 2584 | 49.64 | Windows NT |
| 2 | 3471 | 13.43 | 68 | 1.31 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2153 | 8.33 | 457 | 8.78 | +http://ahrefs.com/robot/ |
| 4 | 1443 | 5.58 | 1384 | 26.59 | +http://www.baidu.com/search/spider.html |
| 5 | 992 | 3.84 | 277 | 5.32 | +http://www.bing.com/bingbot.htm |
| 6 | 437 | 1.69 | 218 | 4.19 | +http://www.google.com/bot.html |
| 7 | 253 | 0.98 | 3 | 0.06 | Linux i686 [unknown version] |
| 8 | 251 | 0.97 | 2 | 0.04 | Linux [unknown version] |
| 9 | 124 | 0.48 | 42 | 0.81 | +http://yandex.com/bots |
| 10 | 50 | 0.19 | 9 | 0.17 | +http://www.semrush.com/bot.html |
| 11 | 49 | 0.19 | 16 | 0.31 | Windows XP |
| 12 | 43 | 0.17 | 29 | 0.56 | Windows 95 |
| 13 | 40 | 0.15 | 1 | 0.02 | X11 |
| 14 | 38 | 0.15 | 15 | 0.29 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 27 | 0.10 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 16 | 26 | 0.10 | 1 | 0.02 | +http://megaindex.com/crawler |
| 17 | 26 | 0.10 | 7 | 0.13 | Windows 98 |
| 18 | 23 | 0.09 | 10 | 0.19 | ) - BrowseX (2.0.0 Windows |
| 19 | 20 | 0.08 | 6 | 0.12 | +http://www.exabot.com/go/robot |
| 20 | 19 | 0.07 | 12 | 0.23 | Windows 2000 |
| 21 | 18 | 0.07 | 6 | 0.12 | +http://help.coccoc.com/ |
| 22 | 17 | 0.07 | 2 | 0.04 | +http://fulltext.sblog.cz/ |
| 23 | 15 | 0.06 | 7 | 0.13 | +http://www.linkdex.com/bots/ |
| 24 | 15 | 0.06 | 0 | 0.00 | Android 2.3.5 |
| 25 | 12 | 0.05 | 6 | 0.12 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 26 | 12 | 0.05 | 8 | 0.15 | Windows ME |
| 27 | 10 | 0.04 | 8 | 0.15 | Auto; Windows |
| 28 | 7 | 0.03 | 7 | 0.13 | Windows CE |
| 29 | 7 | 0.03 | 5 | 0.10 | Windows 3.1 |
| 30 | 6 | 0.02 | 4 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 31 | 4 | 0.02 | 4 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 32 | 4 | 0.02 | 1 | 0.02 | +http://duckduckgo.com |
| 33 | 2 | 0.01 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 34 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 35 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 36 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 37 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
