| Used Operating Systems |
| 1 | 4530 | 37.73 | 3 | 0.09 | +http://megaindex.com/crawler |
| 2 | 3303 | 27.51 | 2667 | 75.66 | +http://www.baidu.com/search/spider.html |
| 3 | 892 | 7.43 | 6 | 0.17 | +http://OpenLinkProfiler.org/bot |
| 4 | 715 | 5.96 | 190 | 5.39 | +http://ahrefs.com/robot/ |
| 5 | 454 | 3.78 | 106 | 3.01 | +http://www.google.com/bot.html |
| 6 | 358 | 2.98 | 94 | 2.67 | +http://napoveda.seznam.cz/en/seznambot-... |
| 7 | 328 | 2.73 | 82 | 2.33 | +http://yandex.com/bots |
| 8 | 309 | 2.57 | 72 | 2.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 283 | 2.36 | 127 | 3.60 | +http://www.bing.com/bingbot.htm |
| 10 | 255 | 2.12 | 75 | 2.13 | Windows NT |
| 11 | 190 | 1.58 | 8 | 0.23 | http://mj12bot.com/ |
| 12 | 96 | 0.80 | 10 | 0.28 | +http://www.linkdex.com/bots/ |
| 13 | 74 | 0.62 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 14 | 50 | 0.42 | 13 | 0.37 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 15 | 50 | 0.42 | 16 | 0.45 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 38 | 0.32 | 35 | 0.99 | +http://www.uptime.com/uptimebot |
| 17 | 32 | 0.27 | 4 | 0.11 | +http://www.exabot.com/go/robot |
| 18 | 22 | 0.18 | 2 | 0.06 | +http://seocharger.com/robot |
| 19 | 10 | 0.08 | 4 | 0.11 | http://www.botje.com/plukkie.htm |
| 20 | 4 | 0.03 | 2 | 0.06 | http://www.majestic12.co.uk/bot.php?+ |
| 21 | 3 | 0.02 | 1 | 0.03 | +info@netcraft.com |
| 22 | 2 | 0.02 | 2 | 0.06 | Windows ME |
| 23 | 2 | 0.02 | 2 | 0.06 | Windows 3.1 |
| 24 | 2 | 0.02 | 2 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 25 | 1 | 0.01 | 1 | 0.03 | https://nmap.org/book/nse.html |
| 26 | 1 | 0.01 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 27 | 1 | 0.01 | 1 | 0.03 | Windows 98 |
