With lazy loading
The image can have an attribute of lazy loading. Defaults to auto if not passed.
How it looks (preview)
How to call this example
<div class="govuk-!-width-one-third">
<%= render "govuk_publishing_components/components/image_card", {
href: "/really-not-a-page",
image_src: "https://assets.publishing.service.gov.uk/government/uploads/system/uploads/feature/image/62756/s300_courts-of-justice.JPG",
image_alt: "some meaningful alt text please",
image_loading: "lazy",
heading_text: "I am not a heading",
heading_level: 0
} %>
</div>