| Used Operating Systems |
| 1 | 5396 | 52.39 | 458 | 29.45 | +http://www.bing.com/bingbot.htm |
| 2 | 1130 | 10.97 | 149 | 9.58 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 717 | 6.96 | 253 | 16.27 | +http://ahrefs.com/robot/ |
| 4 | 687 | 6.67 | 161 | 10.35 | +http://www.semrush.com/bot.html |
| 5 | 546 | 5.30 | 117 | 7.52 | +http://yandex.com/bots |
| 6 | 538 | 5.22 | 64 | 4.12 | Windows NT |
| 7 | 458 | 4.45 | 1 | 0.06 | Linux i686 [unknown version] |
| 8 | 445 | 4.32 | 258 | 16.59 | +http://www.google.com/bot.html |
| 9 | 103 | 1.00 | 51 | 3.28 | +http://www.baidu.com/search/spider.html |
| 10 | 72 | 0.70 | 2 | 0.13 | http://crawler.007ac9.net/ |
| 11 | 64 | 0.62 | 2 | 0.13 | +https://www.aihitdata.com/about |
| 12 | 28 | 0.27 | 2 | 0.13 | Intel Mac OS X 10.5 |
| 13 | 27 | 0.26 | 9 | 0.58 | http://mj12bot.com/ |
| 14 | 22 | 0.21 | 7 | 0.45 | +http://www.exabot.com/go/robot |
| 15 | 20 | 0.19 | 2 | 0.13 | http://filterdb.iss.net/crawler/ |
| 16 | 14 | 0.14 | 4 | 0.26 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 9 | 0.09 | 3 | 0.19 | +http://www.pinterest.com/bot.html |
| 18 | 8 | 0.08 | 4 | 0.26 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 19 | 6 | 0.06 | 2 | 0.13 | +info@netcraft.com |
| 20 | 6 | 0.06 | 2 | 0.13 | +http://www.grapeshot.co.uk/crawler.php |
| 21 | 4 | 0.04 | 4 | 0.26 | +http://www.uptime.com/uptimebot |
