| Used Operating Systems |
| 1 | 304828 | 68.61 | 1138 | 2.86 | +http://www.semrush.com/bot.html |
| 2 | 81918 | 18.44 | 2176 | 5.46 | +http://www.bing.com/bingbot.htm |
| 3 | 48807 | 10.99 | 34955 | 87.76 | +http://ahrefs.com/robot/ |
| 4 | 4041 | 0.91 | 211 | 0.53 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 1567 | 0.35 | 257 | 0.65 | Windows NT |
| 6 | 686 | 0.15 | 321 | 0.81 | +http://www.google.com/bot.html |
| 7 | 586 | 0.13 | 5 | 0.01 | Linux [unknown version] |
| 8 | 540 | 0.12 | 203 | 0.51 | +http://yandex.com/bots |
| 9 | 331 | 0.07 | 161 | 0.40 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 276 | 0.06 | 181 | 0.45 | +http://www.baidu.com/search/spider.html |
| 11 | 131 | 0.03 | 54 | 0.14 | +http://cliqz.com/company/cliqzbot |
| 12 | 124 | 0.03 | 33 | 0.08 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 70 | 0.02 | 34 | 0.09 | +http://duckduckgo.com |
| 14 | 65 | 0.01 | 23 | 0.06 | +http://www.linkdex.com/bots/ |
| 15 | 52 | 0.01 | 28 | 0.07 | +http://www.exabot.com/go/robot |
| 16 | 40 | 0.01 | 4 | 0.01 | Windows Phone OS 7.5 |
| 17 | 33 | 0.01 | 4 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 18 | 29 | 0.01 | 6 | 0.02 | +http://www.pinterest.com/bot.html |
| 19 | 26 | 0.01 | 0 | 0.00 | http://mj12bot.com/ |
| 20 | 24 | 0.01 | 7 | 0.02 | Windows 95 |
| 21 | 22 | 0.00 | 1 | 0.00 | Android |
| 22 | 20 | 0.00 | 3 | 0.01 | Windows 98 |
| 23 | 10 | 0.00 | 4 | 0.01 | +http://sur.ly/bot.html |
| 24 | 10 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 25 | 9 | 0.00 | 9 | 0.02 | http://cloudsystemnetworks.com |
| 26 | 9 | 0.00 | 0 | 0.00 | Windows XP |
| 27 | 6 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 28 | 4 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 29 | 4 | 0.00 | 2 | 0.01 | +https://extlinks.com/Bot.html |
| 30 | 3 | 0.00 | 1 | 0.00 | Windows CE |
| 31 | 3 | 0.00 | 0 | 0.00 | Windows ME |
| 32 | 2 | 0.00 | 2 | 0.01 | +http://glutenfreepleasure.com/ |
| 33 | 2 | 0.00 | 0 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 34 | 2 | 0.00 | 1 | 0.00 | +https://netpeaksoftware.com/checker |
| 35 | 2 | 0.00 | 2 | 0.01 | +http://alphaseobot.com/bot.html |
| 36 | 2 | 0.00 | 0 | 0.00 | +http://naver.me/spd |
| 37 | 2 | 0.00 | 0 | 0.00 | +http://www.uptime.com/uptimebot |
| 38 | 1 | 0.00 | 1 | 0.00 | robot; +http://yandex.com/bots |
| 39 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.4 |
