function reducerFunction(accumulator, currentValue) {
  accumulator[currentValue.name] = currentValue; 
  return accumulator;
}

const mySites = [{ name: 'Google', url: 'google.com' },
                { name: 'Internet Israel', url: 'internet-israel.com' },
                { name: 'Haaretz', url: 'haaretz.co.il' },
                { name: 'GOV IL', url: 'gov.il' },];

const reducedValue = mySites.reduce(reducerFunction, {});

console.log(reducedValue);