| Used Operating Systems |
| 1 | 4025 | 48.51 | 1422 | 35.32 | Windows NT |
| 2 | 1938 | 23.36 | 1740 | 43.22 | +http://www.baidu.com/search/spider.html |
| 3 | 682 | 8.22 | 216 | 5.37 | +http://www.bing.com/bingbot.htm |
| 4 | 491 | 5.92 | 163 | 4.05 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 361 | 4.35 | 178 | 4.42 | +http://www.google.com/bot.html |
| 6 | 190 | 2.29 | 86 | 2.14 | +http://yandex.com/bots |
| 7 | 69 | 0.83 | 25 | 0.62 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 56 | 0.67 | 3 | 0.07 | +http://filterdb.iss.net/crawler/ |
| 9 | 56 | 0.67 | 46 | 1.14 | +http://www.uptime.com/uptimebot |
| 10 | 54 | 0.65 | 18 | 0.45 | Windows XP |
| 11 | 43 | 0.52 | 2 | 0.05 | +http://ahrefs.com/robot/ |
| 12 | 40 | 0.48 | 18 | 0.45 | Windows 95 |
| 13 | 34 | 0.41 | 17 | 0.42 | +http://duckduckgo.com |
| 14 | 30 | 0.36 | 14 | 0.35 | +http://help.coccoc.com/ |
| 15 | 30 | 0.36 | 9 | 0.22 | Windows 98 |
| 16 | 23 | 0.28 | 2 | 0.05 | X11 |
| 17 | 20 | 0.24 | 10 | 0.25 | MSIE 5.5; Windows NT 4.0 |
| 18 | 20 | 0.24 | 7 | 0.17 | +http://www.exabot.com/go/robot |
| 19 | 16 | 0.19 | 6 | 0.15 | Windows CE |
| 20 | 15 | 0.18 | 7 | 0.17 | Auto; Windows |
| 21 | 15 | 0.18 | 7 | 0.17 | Windows 2000 |
| 22 | 12 | 0.14 | 3 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 23 | 12 | 0.14 | 2 | 0.05 | Android 2.3.5 |
| 24 | 9 | 0.11 | 3 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 25 | 8 | 0.10 | 4 | 0.10 | Windows ME |
| 26 | 8 | 0.10 | 2 | 0.05 | +https://www.lipperhey.com/en/about/ |
| 27 | 8 | 0.10 | 1 | 0.02 | +http://fulltext.sblog.cz/ |
| 28 | 7 | 0.08 | 2 | 0.05 | http://crawler.007ac9.net/ |
| 29 | 4 | 0.05 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 30 | 4 | 0.05 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 31 | 3 | 0.04 | 1 | 0.02 | +info@netcraft.com |
| 32 | 3 | 0.04 | 1 | 0.02 | +http://megaindex.com/crawler |
| 33 | 2 | 0.02 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 34 | 2 | 0.02 | 2 | 0.05 | +http://glutenfreepleasure.com/ |
| 35 | 2 | 0.02 | 1 | 0.02 | +http://www.linkpad.ru |
| 36 | 2 | 0.02 | 1 | 0.02 | +http://ruki.rezko.net |
| 37 | 1 | 0.01 | 1 | 0.02 | +http://www.privacyaware.org |
| 38 | 1 | 0.01 | 1 | 0.02 | Linux [unknown version] |
| 39 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 1 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
