| Used Operating Systems |
| 1 | 38246 | 44.26 | 232 | 2.13 | http://mj12bot.com/ |
| 2 | 17532 | 20.29 | 696 | 6.40 | +http://yandex.com/bots |
| 3 | 7388 | 8.55 | 5251 | 48.25 | +http://www.baidu.com/search/spider.html |
| 4 | 6045 | 7.00 | 550 | 5.05 | Windows NT |
| 5 | 3842 | 4.45 | 18 | 0.17 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 3420 | 3.96 | 2943 | 27.04 | +http://ahrefs.com/robot/ |
| 7 | 3112 | 3.60 | 23 | 0.21 | +http://www.warebay.com/bot.html |
| 8 | 3001 | 3.47 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 9 | 1871 | 2.17 | 328 | 3.01 | +http://www.bing.com/bingbot.htm |
| 10 | 969 | 1.12 | 508 | 4.67 | +http://www.google.com/bot.html |
| 11 | 374 | 0.43 | 215 | 1.98 | +http://www.linkdex.com/bots/ |
| 12 | 249 | 0.29 | 1 | 0.01 | Linux [unknown version] |
| 13 | 162 | 0.19 | 7 | 0.06 | +http://siteexplorer.info/Backlink-Check... |
| 14 | 89 | 0.10 | 21 | 0.19 | +spider@seoscanners.net |
| 15 | 27 | 0.03 | 26 | 0.24 | +http://www.uptime.com/uptimebot |
| 16 | 18 | 0.02 | 9 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 12 | 0.01 | 12 | 0.11 | Windows 98 |
| 18 | 10 | 0.01 | 10 | 0.09 | Windows 95 |
| 19 | 7 | 0.01 | 5 | 0.05 | +http://sur.ly/bot.html |
| 20 | 7 | 0.01 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 21 | 5 | 0.01 | 5 | 0.05 | Windows XP |
| 22 | 5 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 23 | 4 | 0.00 | 4 | 0.04 | Windows 2000 |
| 24 | 4 | 0.00 | 3 | 0.03 | +info@netcraft.com |
| 25 | 3 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 26 | 2 | 0.00 | 2 | 0.02 | Windows CE |
| 27 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 28 | 2 | 0.00 | 2 | 0.02 | Windows ME |
| 29 | 2 | 0.00 | 2 | 0.02 | Windows 3.1 |
| 30 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 31 | 1 | 0.00 | 1 | 0.01 | X11 |
| 32 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
