Das ist nicht banal und ich wüste zur Zeit nicht genau wie das ginge. Das Problem ist das Du zwar an den Inhalt der Card kommst, dies ist aber JSON.
Beispiel Wetter:
{"cardMetricAttributes":null,"cardType":"WeatherCard","creationTimestamp":1535043100903,"current":{"areaAlertList":[],"areaShortAlertList":[],"currentTemperature":"24°","descriptiveText":["Freitag, 24. August 2018","Abschnitte mit Wolken und Sonne; kühler"],"highTemperature":"24°","imageReference":{"fallbackIcon":null,"icon":"4","referenceType":"IconImageReference"},"lowTemperature":"10°","shortDescriptiveText":["Fr., 24. Aug.","Heiter bis wolkig"],"weatherStatList":["Höchsttemperatur 24° / Tiefsttemperatur 10°","Gefühlt: 23°","Wind: W 18,5 km/h","Niederschlag: 22%"]},"deleteCardAction":{"actionType":"DeleteCardAction","cardId":"ABCDE#123456#ABCD#G000M","mainText":"Karte entfernen","subText":"Mehr dazu","subTextRoute":"help/node/201602230"},"forecastEndIndex":2,"forecastList":[{"areaAlertList":null,"areaShortAlertList":null,"currentTemperature":null,"descriptiveText":["Do","23. Aug."],"highTemperature":"31°","imageReference":{"fallbackIcon":null,"icon":"3","referenceType":"IconImageReference"},"lowTemperature":"15°","shortDescriptiveText":null,"weatherStatList":null},{"areaAlertList":null,"areaShortAlertList":null,"currentTemperature":null,"descriptiveText":["Fr","24. Aug."],"highTemperature":"24°","imageReference":{"fallbackIcon":null,"icon":"4","referenceType":"IconImageReference"},"lowTemperature":"10°","shortDescriptiveText":null,"weatherStatList":null},{"areaAlertList":null,"areaShortAlertList":null,"currentTemperature":null,"descriptiveText":["Sa","25. Aug."],"highTemperature":"20°","imageReference":{"fallbackIcon":null,"icon":"12","referenceType":"IconImageReference"},"lowTemperature":"8°","shortDescriptiveText":null,"weatherStatList":null},{"areaAlertList":null,"areaShortAlertList":null,"currentTemperature":null,"descriptiveText":["So","26. Aug."],"highTemperature":"20°","imageReference":{"fallbackIcon":null,"icon":"4","referenceType":"IconImageReference"},"lowTemperature":"10°","shortDescriptiveText":null,"weatherStatList":null},{"areaAlertList":null,"areaShortAlertList":null,"currentTemperature":null,"descriptiveText":["Mo","27. Aug."],"highTemperature":"23°","imageReference":{"fallbackIcon":null,"icon":"3","referenceType":"IconImageReference"},"lowTemperature":"11°","shortDescriptiveText":null,"weatherStatList":null},{"areaAlertList":null,"areaShortAlertList":null,"currentTemperature":null,"descriptiveText":["Di","28. Aug."],"highTemperature":"27°","imageReference":{"fallbackIcon":null,"icon":"3","referenceType":"IconImageReference"},"lowTemperature":"14°","shortDescriptiveText":null,"weatherStatList":null},{"areaAlertList":null,"areaShortAlertList":null,"currentTemperature":null,"descriptiveText":["Mi","29. Aug."],"highTemperature":"26°","imageReference":{"fallbackIcon":null,"icon":"12","referenceType":"IconImageReference"},"lowTemperature":"12°","shortDescriptiveText":null,"weatherStatList":null}],"forecastStartIndex":1,"giveFeedbackAction":{"actionType":"GiveFeedbackAction","mainText":"Vielen Dank! Ihr Feedback hilft Alexa, Sie besser zu verstehen.","musicCustomerId":null,"route":"beta-feedback","routeAddOnComponent":null,"serviceName":null,"subText":"Ausführlicheres Feedback senden.","subTextRoute":null,"thirdPartyAppId":null,"thirdPartyAppName":null},"hint":null,"hourlyForecastEndIndex":7,"hourlyForecastList":[{"areaAlertList":null,"descriptiveText":["8 vorm.","8:00 vorm."],"imageReference":{"fallbackIcon":null,"icon":"4","referenceType":"IconImageReference"},"temperature":"17°","weatherStatList":null},{"areaAlertList":null,"descriptiveText":["9 vorm.","9:00 vorm."],"imageReference":{"fallbackIcon":null,"icon":"4","referenceType":"IconImageReference"},"temperature":"19°","weatherStatList":null},{"areaAlertList":null,"descriptiveText":["10 vorm.","10:00 vorm."],"imageReference":{"fallbackIcon":null,"icon":"4","referenceType":"IconImageReference"},"temperature":"20°","weatherStatList":null},{"areaAlertList":null,"descriptiveText":["11 vorm.","11:00 vorm."],"imageReference":{"fallbackIcon":null,"icon":"4","referenceType":"IconImageReference"},"temperature":"20°","weatherStatList":null},{"areaAlertList":null,"descriptiveText":["12 nachm.","12:00 nachm."],"imageReference":{"fallbackIcon":null,"icon":"4","referenceType":"IconImageReference"},"temperature":"21°","weatherStatList":null},{"areaAlertList":null,"descriptiveText":["1 nachm.","1:00 nachm."],"imageReference":{"fallbackIcon":null,"icon":"4","referenceType":"IconImageReference"},"temperature":"22°","weatherStatList":null},{"areaAlertList":null,"descriptiveText":["2 nachm.","2:00 nachm."],"imageReference":{"fallbackIcon":null,"icon":"4","referenceType":"IconImageReference"},"temperature":"23°","weatherStatList":null},{"areaAlertList":null,"descriptiveText":["3 nachm.","3:00 nachm."],"imageReference":{"fallbackIcon":null,"icon":"4","referenceType":"IconImageReference"},"temperature":"23°","weatherStatList":null}],"hourlyForecastStartIndex":0,"id":"A1R8LY5RFF7KD1#1535043100903#A1NL4BVLQ4L3N3#G000MW0474740DB4","originIntentType":"GetWeatherForecastIntent","playbackAudioAction":{"actionType":"PlayAudioAction","mainText":"Alexa hat Folgendes gehört: „alexa wie ist das wetter morgen“","subText":null,"subTextRoute":null,"url":"/api/utterance/audio/data?id=A1NL4BVLQ4L3N3:1.0/2018/08/23/16/G000MW0474740DB4/51:39::TNIH_2V.caa251f2-82bd-4525-95c5-bd9f1e90f4d7LPM/0"},"prompt":null,"registeredCustomerId":"A1R8LY5RFF7KD1","reportType":"DayForecastReport","shortTitle":"Hattersheim Am Main, Deutschland","sourceDevice":{"serialNumber":"G000MW0474740DB4","type":"A1NL4BVLQ4L3N3"},"subtitle":"AccuWeather.com","thumbsUpDownActivityAction":{"actionType":"ThumbsUpDownActivityAction","activityId":"A1R8LY5RFF7KD1#1535043100903#A1NL4BVLQ4L3N3#G000MW0474740DB4","mainText":"Hat Alexa Sie richtig verstanden?","subText":null,"subTextRoute":null},"title":"Wetter in Hattersheim Am Main, Deutschland","token":null}
Das hilft Dir zwar an die Daten ranzukommen aber um die Seite dann entsprechend setzten müsste man ja immer noch. Im Falle vom Wetter macht das gar kein Sinn solche Daten kannst Du ja auch mit IP-Symcon direkt beziehen. Im Falle irgendeiner Card müsstest Du dann schon das genaue Layout der Card wissen um die Infos dann wieder vom Aussehen gleich in IP-Symcon zusammen zu setzten. Falls jemand eine Idee hat wie man an das HTML Layout kommt könnte man das zumindest theoretisch überlegen, so sehe ich da im Moment wenig Chancen bzw. keine sinnvolle Anwendungsmöglichkeit. Einzige Möglichkeit die man prüfen könnte wäre höchsten die Alexa Weboberfläche in den Webfront direkt einzubinden, dann hättest Du auch die Card.