| Used Operating Systems |
| 1 | 10440 | 41.71 | 158 | 2.84 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7361 | 29.41 | 2688 | 48.35 | Windows NT |
| 3 | 2609 | 10.42 | 1581 | 28.44 | +http://www.baidu.com/search/spider.html |
| 4 | 1025 | 4.10 | 14 | 0.25 | +http://OpenLinkProfiler.org/bot |
| 5 | 996 | 3.98 | 1 | 0.02 | http://crawler.007ac9.net/ |
| 6 | 484 | 1.93 | 142 | 2.55 | +http://www.google.com/bot.html |
| 7 | 295 | 1.18 | 206 | 3.71 | Windows 95 |
| 8 | 261 | 1.04 | 65 | 1.17 | +http://yandex.com/bots |
| 9 | 239 | 0.95 | 143 | 2.57 | +http://ahrefs.com/robot/ |
| 10 | 236 | 0.94 | 106 | 1.91 | +http://www.bing.com/bingbot.htm |
| 11 | 210 | 0.84 | 40 | 0.72 | Windows 98 |
| 12 | 197 | 0.79 | 37 | 0.67 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 64 | 0.26 | 42 | 0.76 | Windows ME |
| 14 | 61 | 0.24 | 8 | 0.14 | Windows XP |
| 15 | 59 | 0.24 | 46 | 0.83 | MSIE 5.5; Windows NT 4.0 |
| 16 | 51 | 0.20 | 40 | 0.72 | Auto; Windows |
| 17 | 51 | 0.20 | 39 | 0.70 | ) - BrowseX (2.0.0 Windows |
| 18 | 50 | 0.20 | 1 | 0.02 | +http://advbot.org/bot.html |
| 19 | 48 | 0.19 | 41 | 0.74 | Windows CE |
| 20 | 48 | 0.19 | 40 | 0.72 | Windows 2000 |
| 21 | 45 | 0.18 | 38 | 0.68 | MSIE 5.5; Windows NT 5.0 |
| 22 | 43 | 0.17 | 16 | 0.29 | +http://www.exabot.com/go/robot |
| 23 | 38 | 0.15 | 26 | 0.47 | Windows 3.1 |
| 24 | 30 | 0.12 | 2 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 25 | 30 | 0.12 | 12 | 0.22 | +http://www.linkdex.com/bots/ |
| 26 | 19 | 0.08 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 27 | 18 | 0.07 | 9 | 0.16 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 5 | 0.02 | 5 | 0.09 | +http://www.domaintuno.com/robot |
| 29 | 4 | 0.02 | 2 | 0.04 | +info@netcraft.com |
| 30 | 3 | 0.01 | 2 | 0.04 | Linux i686 [unknown version] |
| 31 | 3 | 0.01 | 3 | 0.05 | +https://www.domaintuno.com/robot |
| 32 | 3 | 0.01 | 3 | 0.05 | +http://www.xovibot.net/ |
| 33 | 2 | 0.01 | 2 | 0.04 | http://www.lipperhey.com/ |
| 34 | 2 | 0.01 | 2 | 0.04 | X11 |
