Almost all responses of queries are cached on the Edge. Cached data will automatically be purged if you mutate the data. For example, if you request a post of your blog:
The playground shows you if a response is cached or not. You can see it in the bottom right corner (MISS or HIT).
🚧 Important: You need to request the field
id
of each field. It is best practice to always request theid
. If you don't do that it is possible that you get stale data.