如何在google rich snippet中获取产品图片？

Question

我知道Google还不支持基于产品图片的丰富网页摘要。 但有任何诀窍吗？

请帮帮我。

由于

<div itemscope itemtype="http://schema.org/Product">
  <span itemprop="brand">ACME</span>
  <span itemprop="name">Executive Anvil</span>
  <img itemprop="image" src="anvil_executive.jpg" alt="Executive Anvil logo" />
  <span itemprop="description">Sleeker than ACME's Classic Anvil, the
    Executive Anvil is perfect for the business traveler
    looking for something to drop from a height.
  </span>
  Product #: <span itemprop="mpn">925872</span>
  <span itemprop="aggregateRating" itemscope itemtype="http://schema.org/AggregateRating">
    <span itemprop="ratingValue">4.4</span> stars, based on <span itemprop="reviewCount">89
      </span> reviews
  </span>

  <span itemprop="offers" itemscope itemtype="http://schema.org/Offer">
    Regular price: $179.99
    <meta itemprop="priceCurrency" content="USD" />
    $<span itemprop="price">119.99</span>
    (Sale ends <time itemprop="priceValidUntil" datetime="2020-11-05">
      5 November!</time>)
    Available from: <span itemprop="seller" itemscope itemtype="http://schema.org/Organization">
                      <span itemprop="name">Executive Objects</span>
                    </span>
    Condition: <link itemprop="itemCondition" href="http://schema.org/UsedCondition"/>Previously owned,
      in excellent condition
    <link itemprop="availability" href="http://schema.org/InStock"/>In stock! Order now!
  </span>
</div>