Codigo js de la clase 141 wordpress API rest fetch

app.js

const d = document,
  $site = d.getElementById("site"),
  $posts = d.getElementById("posts"),
  $loader = d.querySelector(".loader"),
  $template = d.getElementById("post-template"),
  $fragment = d.createDocumentFragment(),
  DOMAIN = "https://malvestida.com",
  SITE = `${DOMAIN}/wp-json`,
  API_WP = `${SITE}/wp/v2`,
  POSTS = `${API_WP}/posts?_embed`,
  PAGES = `${API_WP}/pages`,
  CATEGORIES = `${API_WP}/categories`;

function getSiteData() {
  fetch(SITE)
    .then((res) => (res.ok ? res.json() : Promise.reject(res)))
    .then((json) => {
      console.log(json);
      $site.innerHTML = `
        <h3>Consumo de API Wordpress</h3>
        <h2>
        <a href="${json.url}" target="_blank">${json.name}</a>
        </h2>
        <p>${json.description}</p>
        <p>${json.timezone_string}</p>
        `;
    })
    .catch((err) => {
      console.log(err);
      let message = err.statusText || "Ocurrió un error";
      $site.innerHTML = `<p>Error${err.status}:${message}</p>`;
    });
}

function getPosts() {
  $loader.style.display = "block";
  fetch(POSTS)
    .then((res) => (res.ok ? res.json() : Promise.reject(res)))
    .then((json) => {
      console.log(json);
      json.forEach((el) => {
        let $clone = $template.content.cloneNode(true);
        $clone.querySelector(".post-image").src =
          el._embedded["wp:featuredmedia"][0].source_url;
        $clone.querySelector(".post-image").alt = el.title.rendered;
        $clone.querySelector(".post-title").innerHTML = el.title.rendered;
        $fragment.appendChild($clone);
      });
      $posts.appendChild($fragment);
      $loader.style.display = "none";
    })
    .catch((err) => {
      console.log(err);
      let message = err.statusText || "Ocurrió un error";
      $posts.innerHTML = `<p>Error${err.status}:${message}</p>`;
      $loader.style.display = "none";
    });
}

d.addEventListener("DOMContentLoaded", (e) => {
  getSiteData();
  getPosts();
});