| Used Operating Systems |
| 1 | 11169 | 70.02 | 153 | 12.25 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 1631 | 10.22 | 3 | 0.24 | http://crawler.007ac9.net/ |
| 3 | 764 | 4.79 | 442 | 35.39 | Windows NT |
| 4 | 632 | 3.96 | 114 | 9.13 | +http://yandex.com/bots |
| 5 | 536 | 3.36 | 4 | 0.32 | +http://OpenLinkProfiler.org/bot |
| 6 | 498 | 3.12 | 141 | 11.29 | +http://ahrefs.com/robot/ |
| 7 | 424 | 2.66 | 295 | 23.62 | +http://www.baidu.com/search/spider.html |
| 8 | 82 | 0.51 | 40 | 3.20 | +http://www.google.com/bot.html |
| 9 | 60 | 0.38 | 15 | 1.20 | +http://www.exabot.com/go/robot |
| 10 | 54 | 0.34 | 5 | 0.40 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 28 | 0.18 | 9 | 0.72 | +http://www.linkdex.com/bots/ |
| 12 | 20 | 0.13 | 10 | 0.80 | +http://www.bing.com/bingbot.htm |
| 13 | 14 | 0.09 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 8 | 0.05 | 2 | 0.16 | +http://filterdb.iss.net/crawler/ |
| 15 | 8 | 0.05 | 4 | 0.32 | http://crawler.sistrix.net/ |
| 16 | 8 | 0.05 | 4 | 0.32 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 6 | 0.04 | 4 | 0.32 | X11 |
| 18 | 4 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 19 | 4 | 0.03 | 2 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 20 | 2 | 0.01 | 2 | 0.16 | Windows 98 |
