EraCode practice
Fast conditional GETs with ETag (Express optimization)
ExpressintermediateMulti-Part
Summary
Practice an optimization pattern in Express: let clients reuse cached responses by supporting conditional GETs with ETags.
Problem preview
### Task: Add an ETag-aware early return Fill the single TODO so this route supports conditional GET: - If the request includes that matches the current ETag, respond with **304** and no body. - Othe…
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