The Contentful blog has published over 158 articles in 2021, covering a range of topics including development, strategy, community, and product announcements. The most popular posts were on the topic of GraphQL, with several tutorials and guides explaining how to use it effectively. These included a guide to building statically generated article list pagination using data from Contentful in a Next.js application, as well as a tutorial on how to keep your GraphQL queries safe from disruption by unauthorized third parties. Other popular topics included building a lightweight microblogging site with vanilla HTML, CSS and JavaScript, and adding search functionality to a blog using Algolia. The posts were written by several developer evangelists, including Shy Ruparel, Salma Alam-Naylor, and Brittany Walker, who shared their passion and enthusiasm for content creation and development.