| Used Operating Systems |
| 1 | 21684 | 41.71 | 213 | 9.38 | +http://ahrefs.com/robot/ |
| 2 | 17798 | 34.24 | 224 | 9.86 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 7503 | 14.43 | 170 | 7.48 | http://mj12bot.com/ |
| 4 | 3755 | 7.22 | 1371 | 60.34 | Windows NT |
| 5 | 328 | 0.63 | 100 | 4.40 | +http://www.baidu.com/search/spider.html |
| 6 | 207 | 0.40 | 49 | 2.16 | +http://yandex.com/bots |
| 7 | 184 | 0.35 | 8 | 0.35 | +https://extlinks.com/Bot.html |
| 8 | 141 | 0.27 | 70 | 3.08 | +http://www.google.com/bot.html |
| 9 | 120 | 0.23 | 14 | 0.62 | +http://www.linkdex.com/bots/ |
| 10 | 92 | 0.18 | 8 | 0.35 | +http://siteexplorer.info/Backlink-Check... |
| 11 | 80 | 0.15 | 23 | 1.01 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 46 | 0.09 | 4 | 0.18 | +http://www.bing.com/bingbot.htm |
| 13 | 18 | 0.03 | 2 | 0.09 | +https://www.seokicks.de/robot.html |
| 14 | 6 | 0.01 | 4 | 0.18 | Windows 98 |
| 15 | 4 | 0.01 | 2 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 4 | 0.01 | 2 | 0.09 | +https://www.mojeek.com/bot.html |
| 17 | 4 | 0.01 | 2 | 0.09 | +http://www.semrush.com/bot.html |
| 18 | 4 | 0.01 | 2 | 0.09 | http://www.majestic12.co.uk/bot.php?+ |
| 19 | 2 | 0.00 | 2 | 0.09 | +http://sur.ly/bot.html |
| 20 | 2 | 0.00 | 2 | 0.09 | +info@netcraft.com |
