| Used Operating Systems |
| 1 | 32201 | 42.34 | 283 | 1.92 | http://mj12bot.com/ |
| 2 | 31046 | 40.82 | 10795 | 73.11 | +http://ahrefs.com/robot/ |
| 3 | 5485 | 7.21 | 2441 | 16.53 | +http://www.baidu.com/search/spider.html |
| 4 | 3275 | 4.31 | 1 | 0.01 | +http://megaindex.com/crawler |
| 5 | 1503 | 1.98 | 587 | 3.98 | Windows NT |
| 6 | 610 | 0.80 | 145 | 0.98 | +http://www.linkdex.com/bots/ |
| 7 | 505 | 0.66 | 146 | 0.99 | +http://www.semrush.com/bot.html |
| 8 | 498 | 0.65 | 2 | 0.01 | Linux i686 [unknown version] |
| 9 | 496 | 0.65 | 132 | 0.89 | +http://yandex.com/bots |
| 10 | 383 | 0.50 | 216 | 1.46 | +http://www.google.com/bot.html |
| 11 | 22 | 0.03 | 10 | 0.07 | +http://www.bing.com/bingbot.htm |
| 12 | 12 | 0.02 | 2 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 6 | 0.01 | 3 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 4 | 0.01 | 2 | 0.01 | +http://duckduckgo.com |
| 15 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
