| Used Operating Systems |
| 1 | 34117 | 35.79 | 258 | 1.35 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 28096 | 29.47 | 1115 | 5.83 | Windows NT |
| 3 | 18378 | 19.28 | 11354 | 59.42 | +http://ahrefs.com/robot/ |
| 4 | 8461 | 8.87 | 5479 | 28.67 | +http://www.baidu.com/search/spider.html |
| 5 | 3159 | 3.31 | 215 | 1.13 | +http://yandex.com/bots |
| 6 | 1500 | 1.57 | 6 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 7 | 656 | 0.69 | 289 | 1.51 | +http://www.bing.com/bingbot.htm |
| 8 | 618 | 0.65 | 297 | 1.55 | +http://www.google.com/bot.html |
| 9 | 98 | 0.10 | 15 | 0.08 | +http://www.semrush.com/bot.html |
| 10 | 74 | 0.08 | 17 | 0.09 | Windows 95 |
| 11 | 35 | 0.04 | 7 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 12 | 32 | 0.03 | 12 | 0.06 | Windows 98 |
| 13 | 27 | 0.03 | 6 | 0.03 | Windows 3.1 |
| 14 | 18 | 0.02 | 4 | 0.02 | Windows ME |
| 15 | 17 | 0.02 | 3 | 0.02 | Windows 2000 |
| 16 | 12 | 0.01 | 5 | 0.03 | Windows CE |
| 17 | 12 | 0.01 | 10 | 0.05 | +http://sur.ly/bot.html |
| 18 | 8 | 0.01 | 3 | 0.02 | +spider@seoscanners.net |
| 19 | 6 | 0.01 | 6 | 0.03 | Windows XP |
| 20 | 4 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 21 | 3 | 0.00 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 22 | 3 | 0.00 | 1 | 0.01 | +http://www.uptime.com/uptimebot |
| 23 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 24 | 2 | 0.00 | 2 | 0.01 | http://nmap.org/book/nse.html |
