Find render-blocking resources

function RenderBlocking({  startTime,  duration,  responseEnd,  name,  initiatorType, }) {  this.startTime = startTime;  this.duration = duration;  this.responseEnd = responseEnd;  this.name = name;  this.initiatorType = initiatorType; }   function findRenderBlockingResources() {  return window.performance  .getEntriesByType("resource")  .filter(({ renderBlockingStatus }) => renderBlockingStatus === "blocking")  .map(  ({ startTime, duration, responseEnd, name, initiatorType }) =>  new RenderBlocking({  startTime,  duration,  responseEnd,  name,  initiatorType,  }),  ); }   console.table(findRenderBlockingResources());