| Used Operating Systems |
| 1 | 5029 | 51.43 | 2371 | 71.31 | Windows NT |
| 2 | 2544 | 26.02 | 41 | 1.23 | http://mj12bot.com/ |
| 3 | 527 | 5.39 | 178 | 5.35 | +http://www.bing.com/bingbot.htm |
| 4 | 462 | 4.72 | 201 | 6.05 | +http://ahrefs.com/robot/ |
| 5 | 379 | 3.88 | 118 | 3.55 | +http://yandex.com/bots |
| 6 | 238 | 2.43 | 63 | 1.89 | +http://www.google.com/bot.html |
| 7 | 211 | 2.16 | 180 | 5.41 | +http://www.baidu.com/search/spider.html |
| 8 | 53 | 0.54 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 9 | 52 | 0.53 | 30 | 0.90 | Windows 95 |
| 10 | 46 | 0.47 | 37 | 1.11 | +http://www.uptime.com/uptimebot |
| 11 | 40 | 0.41 | 16 | 0.48 | +http://www.linkdex.com/bots/ |
| 12 | 36 | 0.37 | 12 | 0.36 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 35 | 0.36 | 19 | 0.57 | Windows 98 |
| 14 | 21 | 0.21 | 9 | 0.27 | MSIE 5.5; Windows NT 4.0 |
| 15 | 20 | 0.20 | 7 | 0.21 | Windows XP |
| 16 | 18 | 0.18 | 6 | 0.18 | Windows 3.1 |
| 17 | 17 | 0.17 | 8 | 0.24 | ) - BrowseX (2.0.0 Windows |
| 18 | 12 | 0.12 | 4 | 0.12 | +http://OpenLinkProfiler.org/bot |
| 19 | 12 | 0.12 | 6 | 0.18 | MSIE 5.5; Windows NT 5.0 |
| 20 | 8 | 0.08 | 4 | 0.12 | Windows 2000 |
| 21 | 7 | 0.07 | 5 | 0.15 | Windows ME |
| 22 | 6 | 0.06 | 5 | 0.15 | Windows CE |
| 23 | 3 | 0.03 | 3 | 0.09 | Auto; Windows |
| 24 | 1 | 0.01 | 1 | 0.03 | +http://megaindex.com/crawler |
| 25 | 1 | 0.01 | 1 | 0.03 | +info@netcraft.com |
