Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/OpenAudio_ArduinoLibrary/src/commit/0067cb8126d009a67492984466e5b3dcf0b62963/docs/jquery/js You should set ROOT_URL correctly, otherwise the web may not work correctly.