| Used Operating Systems |
| 1 | 17123 | 73.13 | 234 | 6.02 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2982 | 12.74 | 2442 | 62.79 | +http://www.baidu.com/search/spider.html |
| 3 | 1224 | 5.23 | 368 | 9.46 | +http://www.google.com/bot.html |
| 4 | 959 | 4.10 | 445 | 11.44 | +http://www.bing.com/bingbot.htm |
| 5 | 639 | 2.73 | 213 | 5.48 | Windows NT |
| 6 | 209 | 0.89 | 53 | 1.36 | +http://yandex.com/bots |
| 7 | 85 | 0.36 | 17 | 0.44 | +http://www.exabot.com/go/robot |
| 8 | 73 | 0.31 | 52 | 1.34 | +http://www.linkdex.com/bots/ |
| 9 | 27 | 0.12 | 24 | 0.62 | +http://www.uptime.com/uptimebot |
| 10 | 12 | 0.05 | 6 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 12 | 0.05 | 6 | 0.15 | +http://OpenLinkProfiler.org/bot |
| 12 | 10 | 0.04 | 4 | 0.10 | +info@netcraft.com |
| 13 | 10 | 0.04 | 4 | 0.10 | +http://webmeup-crawler.com/ |
| 14 | 8 | 0.03 | 2 | 0.05 | +https://www.lipperhey.com/en/about/ |
| 15 | 7 | 0.03 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 16 | 7 | 0.03 | 5 | 0.13 | http://nmap.org/book/nse.html |
| 17 | 6 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 18 | 5 | 0.02 | 0 | 0.00 | Windows 98 |
| 19 | 4 | 0.02 | 4 | 0.10 | Linux [unknown version] |
| 20 | 3 | 0.01 | 1 | 0.03 | +http://www.findxbot.com |
| 21 | 2 | 0.01 | 2 | 0.05 | Macintosh PPC |
| 22 | 2 | 0.01 | 2 | 0.05 | Windows XP |
| 23 | 2 | 0.01 | 2 | 0.05 | +http://megaindex.com/crawler |
| 24 | 2 | 0.01 | 1 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 25 | 1 | 0.00 | 1 | 0.03 | Windows 95 |
| 26 | 1 | 0.00 | 1 | 0.03 | Windows 3.1 |
