In this chapter, you learned how to create custom Django template tags and filters to provide templates with a custom functionality. You also created a sitemap for search engines to crawl your site and an RSS feed for users to subscribe to your blog. You also built a search engine for your blog using the full-text search engine of PostgreSQL.
In the next chapter, you will learn how to build a social website using the Django authentication framework, create custom user profiles, and build social authentication.