Learning ASP.NET Web API (Video 27)

The video tutorial covers HTTP caching, focusing on ETags and their role in improving web API performance. It explains the types of ETags, their implementation, and how they help in caching by reducing server load and response time. The video also discusses the process of updating data using ETags, including handling stale data and ensuring data consistency. The tutorial concludes with a summary and a preview of the next video, which will demonstrate the implementation of these concepts.

What is HTTP caching and how does it improve performance?

Explain the concept of entity tags (etag) in HTTP caching.

What are the two types of entity tags and how do they differ?

Describe the process of how a client uses etags when making requests to a Web API.

What happens when a client attempts to update data with a stale etag?