Gatsby is great at rendering images. To do this, you need to leverage the Gatsby Image Plugin. For most of the images on the site, that is no problem. For images in Rich Text, it's not so simple.
Lots of Contentful website examples contain models for everything you would expect from a website. Standard pages, articles, authors, SEO, images, content blocks, etc. However, there is one subtle aspect that can get tricky, CTAs.
A client came to us needing a recommendation for a headless CMS to run multiple portal applications. With the requirement that we provide a headless option, and the knowledge that the editors love Episerver's features, it took us all of two seconds to come up with Episerver's Content Delivery API as a solution.