The Endpoint return only html. I want to restore points, badges and trails in Trailhead, but after change web site trailhead, it is no longer possible.

public class RESTGetHttpContentCallout {
    private static final String htmlBadgesClass = 'tds-tally__count tds-tally__count_success">';
    private static final String htmlPointsClass = 'tds-tally__count tds-tally__count_success">'; 
    private static final String htmlTrailsClass = 'tds-tally__count tds-tally__count_success">';
    private static final String htmlBadgesJson = '<div data-react-class="BadgesPanel" data-react-props="';
    private static final string JsonFinalChar = '">';
    private static integer modulos = 0, superbadges = 0, eventos = 0, projetos = 0;


    public static Map<String, String> getCalloutResponseContents(String url){
        HttpResponse res = new HttpResponse();
        try{
            Http h = new Http();
            HttpRequest req = new HttpRequest();
            req.setEndpoint('https://trailblazer.me/id/+ profilenameorId);
            req.setMethod('GET'); 
            req.setHeader('Content-Type', 'application/json');
            System.debug('req' + req);
            res = h.send(req);
            System.debug('THBS ---- res' + res);
        }catch(Exception e){
            System.debug('An exception occurred: ' + e.getMessage());
        }
        String lBody = res.getBody(); 

        System.debug('THBS ---- res.getBody();' + res.getBody());
        String lContactBadges = getValue( htmlBadgesClass, lBody );
        String lContactPoints = getValue( htmlPointsClass, lBody );
        String lContactTrails = getValue( htmlTrailsClass, lBody );
        String lJsonBadges = getJsonValue( htmlBadgesJson, JsonFinalChar, lBody);
        system.debug('--->> ' + lContactBadges);
        system.debug('THBS ---- lContactPoints' + lContactPoints);
        System.debug('THBS ---- lContactTrails' + lContactTrails);
        Map<String,String> lMapToReturn = new Map<String,String>();
        lMapToReturn.put('Badges', lContactBadges); 
        lMapToReturn.put('Pontos', lContactPoints);
        lMapToReturn.put('Trails', lContactTrails);
        lMapToReturn.put('Modulos', string.valueOf(modulos));
        lMapToReturn.put('Superbadges', string.valueOf(superbadges));
        lMapToReturn.put('Projetos', string.valueOf(projetos));
        lMapToReturn.put('Eventos', string.valueOf(eventos));
        system.debug('THBS ---- lMapToReturn' + JSON.serialize(lMapToReturn));
        return lMapToReturn;
    }

    private static String getJsonValue(string aClass, string finalChar, string aBody){
        Integer lInit = getInitialLocationByAttributeClass(aClass, aBody);
        Integer lEnd = getFinalLocationByInitialLocationAndFinalChar(lInit, finalChar, aBody);
        return getAttributeValues(lInit, lEnd, aBody);
    }  

    private static String getValue( String aClass, String aBody )
    {
        Integer lInit = getInitialLocationByAttributeClass(aClass, aBody);
        Integer lEnd = getFinalLocationByInitialLocation(lInit, aBody);
        return getAttributeValues(lInit, lEnd, aBody);
    }

    private static Integer getInitialLocationByAttributeClass(String lClassName, String lBody){
        System.debug('THBS ---- lClassName' + lClassName);
        System.debug('THBS ---- lClassName length' + lClassName.length());
        System.debug('THBS ---- lBody.indexOf(lClassName)' + lBody.indexOf(lClassName));
        return lBody.indexOf(lClassName) + lClassName.length();   
    }

    private static Integer getFinalLocationByInitialLocation(Integer lInitialLocation, String lBody){
        return lBody.indexOf('</html>',lInitialLocation);      
    }
    private static Integer getFinalLocationByInitialLocationAndFinalChar(Integer lInitialLocation, string finalChar ,String lBody){
        return lBody.indexOf(finalChar,lInitialLocation);      
    }

    private static String getAttributeValues(Integer lAttrInitialLocation, Integer lAttrFinalLocation, String lBody){
        System.debug('THBS ---- lAttrFinalLocation' + lAttrFinalLocation);
        System.debug('THBS ---- lBody' + lBody);
        System.debug('THBS ---- lAttrInitialLocation' + lAttrInitialLocation);

        return lBody.substring(lAttrInitialLocation,lAttrFinalLocation).replace('\n','');  
    }

}
global class BatchGetTrailheadOfContacts implements Database.Batchable<sObject>, Database.AllowsCallouts {

   global Database.QueryLocator start( Database.BatchableContext bc ) {
      return Database.getQueryLocator('SELECT Id, Link_para_o_perfil_no_trailhead__c,Total_Pontos__c '
                                    + 'FROM Contact WHERE Ativo__c = true '
                                    + 'AND Link_para_o_perfil_no_trailhead__c != null');
    }    

   global void execute( Database.BatchableContext bc, List<Contact> scope ){
       Contact lcontact_Total_Pontos = new contact();
       decimal total_pontos = 0;

       for ( Contact lContact : scope ) {
            Map<String,String> lMapToGetStats = RESTGetHttpContentCallout.getCalloutResponseContents(lContact.Link_para_o_perfil_no_trailhead__c);
            if ( lMapToGetStats == null ) continue;

            System.debug('lMapToGetStats' + lMapToGetStats);
            System.debug('lMapToGetStats Badges' + lMapToGetStats.get('Badges'));
            String Pontos = lMapToGetStats.get('Pontos').replace('.', '');
            System.debug('lMapToGetStats' + lMapToGetStats.get('Pontos'));
            System.debug('Points' + Pontos);
            lContact.Pontos_no_trailhead__c = Pontos.isNumeric() ?  integer.valueOf(Pontos) : 0;
            lContact.Badges_no_trailhead__c = lMapToGetStats.get('Badges').isNumeric() ?  integer.valueOf(lMapToGetStats.get('Badges')) : 0;
            lContact.Trilhas_concluidas__c  = lMapToGetStats.get('Trails').isNumeric() ?  integer.valueOf(lMapToGetStats.get('Trails')) : 0;
            total_pontos +=  lContact.Pontos_no_trailhead__c;
          system.debug('pontos de cada talento: '+ lContact.Pontos_no_trailhead__c);
         // system.debug( 'total de pontos:'+ total_pontos);
      }
      lcontact_Total_Pontos.Total_Pontos__c =  total_pontos;
        system.debug( 'total de pontos:'+  lcontact_Total_Pontos.Total_Pontos__c);
      update scope;
   }

  global void finish( Database.BatchableContext bc ) {}

    global void execute(SchedulableContext sc) {
 BatchGetTrailheadOfContacts lbatch = new BatchGetTrailheadOfContacts();
    Database.executeBatch(lbatch); 
  }
}