| Used Operating Systems |
| 1 | 17594 | 34.24 | 152 | 1.78 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11738 | 22.84 | 490 | 5.75 | +http://yandex.com/bots |
| 3 | 5113 | 9.95 | 439 | 5.15 | Windows NT |
| 4 | 4970 | 9.67 | 3750 | 44.02 | +http://www.baidu.com/search/spider.html |
| 5 | 3152 | 6.13 | 2691 | 31.59 | +http://ahrefs.com/robot/ |
| 6 | 3001 | 5.84 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 7 | 2609 | 5.08 | 373 | 4.38 | +http://www.bing.com/bingbot.htm |
| 8 | 1009 | 1.96 | 8 | 0.09 | +http://siteexplorer.info/ |
| 9 | 694 | 1.35 | 184 | 2.16 | +http://www.google.com/bot.html |
| 10 | 678 | 1.32 | 157 | 1.84 | +http://www.xovibot.net/ |
| 11 | 250 | 0.49 | 1 | 0.01 | Linux [unknown version] |
| 12 | 127 | 0.25 | 33 | 0.39 | +spider@seoscanners.net |
| 13 | 93 | 0.18 | 45 | 0.53 | +http://www.uptime.com/uptimebot |
| 14 | 90 | 0.18 | 62 | 0.73 | +http://www.linkdex.com/bots/ |
| 15 | 43 | 0.08 | 28 | 0.33 | Windows 95 |
| 16 | 36 | 0.07 | 13 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 32 | 0.06 | 2 | 0.02 | +https://www.dataprovider.com/ |
| 18 | 28 | 0.05 | 25 | 0.29 | Windows 98 |
| 19 | 28 | 0.05 | 7 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 20 | 17 | 0.03 | 2 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 21 | 13 | 0.03 | 13 | 0.15 | Windows 2000 |
| 22 | 12 | 0.02 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 23 | 11 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 24 | 11 | 0.02 | 11 | 0.13 | Windows CE |
| 25 | 11 | 0.02 | 4 | 0.05 | Windows 3.1 |
| 26 | 6 | 0.01 | 6 | 0.07 | Auto; Windows |
| 27 | 6 | 0.01 | 6 | 0.07 | Windows ME |
| 28 | 4 | 0.01 | 2 | 0.02 | +http://sur.ly/bot.html |
| 29 | 4 | 0.01 | 4 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 30 | 4 | 0.01 | 3 | 0.04 | +info@netcraft.com |
| 31 | 2 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 32 | 1 | 0.00 | 1 | 0.01 | Windows XP |
