The Architecture and Impact of MikroTik Hotspot Login Page Customization A MikroTik Hotspot login page—technically the captive portal
<!-- LOGIN FORM --> <!-- Mikrotik Variables: action, dst, popup are REQUIRED --> <form name="sendin" action="$(link-login-only)" method="post"> <input type="hidden" name="dst" value="$(link-orig)"> <input type="hidden" name="popup" value="true"> Hotspot Login Page Template Mikrotik
Mikrotik stores the login page files in the router's internal file system. The Architecture and Impact of MikroTik Hotspot Login
/ip hotspot set [find] html-directory=myhotspot !-- LOGIN FORM -->