| Used Operating Systems |
| 1 | 30490 | 40.95 | 547 | 8.32 | +http://yandex.com/bots |
| 2 | 23235 | 31.21 | 172 | 2.61 | http://mj12bot.com/ |
| 3 | 6132 | 8.24 | 3121 | 47.45 | +http://www.baidu.com/search/spider.html |
| 4 | 4079 | 5.48 | 1467 | 22.30 | Windows NT |
| 5 | 3457 | 4.64 | 1 | 0.02 | +http://megaindex.com/crawler |
| 6 | 3004 | 4.03 | 3 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 7 | 1225 | 1.65 | 232 | 3.53 | +http://www.linkdex.com/bots/ |
| 8 | 1033 | 1.39 | 382 | 5.81 | +http://www.google.com/bot.html |
| 9 | 460 | 0.62 | 127 | 1.93 | +http://www.bing.com/bingbot.htm |
| 10 | 352 | 0.47 | 4 | 0.06 | +http://siteexplorer.info/Backlink-Check... |
| 11 | 193 | 0.26 | 129 | 1.96 | Windows 95 |
| 12 | 114 | 0.15 | 48 | 0.73 | +spider@seoscanners.net |
| 13 | 111 | 0.15 | 32 | 0.49 | Windows 98 |
| 14 | 63 | 0.08 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 15 | 58 | 0.08 | 52 | 0.79 | +http://www.uptime.com/uptimebot |
| 16 | 41 | 0.06 | 19 | 0.29 | +http://ahrefs.com/robot/ |
| 17 | 37 | 0.05 | 27 | 0.41 | MSIE 5.5; Windows NT 4.0 |
| 18 | 36 | 0.05 | 28 | 0.43 | Windows CE |
| 19 | 35 | 0.05 | 14 | 0.21 | Windows XP |
| 20 | 35 | 0.05 | 29 | 0.44 | MSIE 5.5; Windows NT 5.0 |
| 21 | 34 | 0.05 | 26 | 0.40 | Windows 2000 |
| 22 | 33 | 0.04 | 23 | 0.35 | Windows 3.1 |
| 23 | 31 | 0.04 | 19 | 0.29 | Windows ME |
| 24 | 26 | 0.03 | 25 | 0.38 | Auto; Windows |
| 25 | 25 | 0.03 | 23 | 0.35 | ) - BrowseX (2.0.0 Windows |
| 26 | 24 | 0.03 | 9 | 0.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 27 | 21 | 0.03 | 4 | 0.06 | http://www.botje.com/plukkie.htm |
| 28 | 13 | 0.02 | 1 | 0.02 | +http://www.linkpad.ru |
| 29 | 10 | 0.01 | 1 | 0.02 | +http://seocharger.com/robot |
| 30 | 9 | 0.01 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 31 | 8 | 0.01 | 3 | 0.05 | http://nmap.org/book/nse.html |
| 32 | 8 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 33 | 8 | 0.01 | 7 | 0.11 | +info@netcraft.com |
| 34 | 7 | 0.01 | 3 | 0.05 | Android 2.3.5 |
| 35 | 4 | 0.01 | 0 | 0.00 | X11 |
| 36 | 4 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 37 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
