| Used Operating Systems |
| 1 | 18727 | 48.56 | 246 | 3.20 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6864 | 17.80 | 4947 | 64.45 | +http://ahrefs.com/robot/ |
| 3 | 6711 | 17.40 | 604 | 7.87 | Windows NT |
| 4 | 3268 | 8.47 | 268 | 3.49 | +http://www.bing.com/bingbot.htm |
| 5 | 1208 | 3.13 | 978 | 12.74 | +http://www.baidu.com/search/spider.html |
| 6 | 587 | 1.52 | 133 | 1.73 | +http://www.google.com/bot.html |
| 7 | 392 | 1.02 | 99 | 1.29 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 244 | 0.63 | 95 | 1.24 | +http://yandex.com/bots |
| 9 | 203 | 0.53 | 187 | 2.44 | +http://www.xovibot.net/ |
| 10 | 185 | 0.48 | 47 | 0.61 | +http://www.linkdex.com/bots/ |
| 11 | 64 | 0.17 | 12 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 31 | 0.08 | 6 | 0.08 | Windows 95 |
| 13 | 23 | 0.06 | 14 | 0.18 | apps-spreadsheets; +http://docs.google.c... |
| 14 | 21 | 0.05 | 19 | 0.25 | +http://www.uptime.com/uptimebot |
| 15 | 8 | 0.02 | 4 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 16 | 6 | 0.02 | 2 | 0.03 | Windows XP |
| 17 | 4 | 0.01 | 2 | 0.03 | Windows 2000 |
| 18 | 4 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 19 | 4 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 2 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 21 | 2 | 0.01 | 2 | 0.03 | X11 |
| 22 | 2 | 0.01 | 1 | 0.01 | +http://duckduckgo.com |
| 23 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 24 | 1 | 0.00 | 1 | 0.01 | +http://www.privacyaware.org |
| 25 | 1 | 0.00 | 1 | 0.01 | +http://megaindex.com/crawler |
| 26 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
