Improving product SEO with metadata

In Chapter 1, Ride the Lightning with AMP we learned a little bit about metadata and the AMP search results carousel. Now that we've changed our focus to e-commerce, there is some metadata geared towards e-commerce that you should include to maximize your search visibility. These include the brand and offers schema.org types. To get the best SEO results, you can provide metadata to help search engines to better index your product pages:

<script type="application/ld+json">
{
    "@context": "http://schema.org/",
    "@type": "Product",
    "name": "T Shirt: Super Pouvoir",
    "image": "",
    "description": "Lorem ipsum",
    "mpn": "123456",
    "brand": {
        "@type": "Clothing",
        "name": "FunisherRunning"
    },
    "offers": {
        "@type": "Offer",
        "priceCurrency": "EUR",
        "price": "9.99",
        "priceValidUntil": "2021-01-01",
        "itemCondition": "http://schema.org/NewCondition",
        "availability": "http...