You can use a query like the following to get the path to whatever image you choose. It's best to start with the default case, so that every blog has an image. You can reference this article for those steps. These next steps assume you are using the appropriate Gatsby image plugins and configuration. These properties will make the image show up when a link to the blog is shared on various websites. Social media platforms favor optimized images, ensuring a wider reach. Once we grab the path to the featured image from the markdown, we can pass it to our SEO helmet component and set the meta tags for og:image and twitter:image. An image size perfect for one platform may be cropped or look too small on another. Each page is made from its own markdown file, which includes meta data that we can query from Gatsby's GraphQL API in our React components. How does this work?Īs mentioned in a previous blog about our front end architecture, our blog is a separate Gatsby application from our DoltHub site. This blog explains our experience so you can use it as a guide. Facebook also sometimes falls back to the ‘small’ layout if you have too many broken images in your set (as Facebook’s broken image file is. But the adding featured images with Gatsby can be difficult. However, the share layout size sometimes defaults to accommodating the smallest image from a set (e.g., if you have 10 huge og:image tags, and 1 small one, you sometimes get the small share layout). The term is an analogy to the concept of viral infections, which can spread rapidly from individual to individual. If you're lucky, you could even go viral with the right picture. Some social media sites have the potential for content posted there to spread virally over social networks. We looked at an example summary card of chrisko.io.Adding featured images to links shared on social media is a great way to drive website traffic. In this tutorial we generate boilerplate HTML meta tags for social media cards like used to preview URLs shared on Twitter or Facebook.
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