How can you cache an MVC view or action?
PICTURE THIS: RAG CHATBOT
Simple meaning
Response cache headers or in-memory cache for data.
WHY — Caching instead of guessing?
Why interviewers care about Caching:
question about Caching.
trade-offs, and what you would actually do on a .NET MVC project - not buzzwords.
Name the idea, why it exists, then one short example.
End with when you use it and one common pitfall.
STEPS — What happens step by step?
Before you speak the answer, walk the interviewer through these steps:
- 1Response cache headers or
in-memory cache for data.
- 2OutputCache in older MVC
cached the rendered HTML.
- 3I vary by user
if the page is personalized, otherwise I cache public fragments.
- 4Give an example
One tiny concrete case you can say aloud.
- 5Common mistake
What juniors usually get wrong.
- 6Close
When you pick this over the alternative.
EXAMPLE — See it in action
Here's a short line you can speak, broken into clear beats:
Note: Adapt this scaffold to your own project — keep it under 60–90 seconds.
Key takeaway
Response cache headers or in-memory cache for data. OutputCache in older MVC cached the rendered HTML.