midOptimisation
What are caching strategies?
Updated May 17, 2026
Short answer
Caching strategies define how data is stored and refreshed.
Deep explanation
Includes cache-aside, write-through, and write-back strategies depending on consistency needs.
Real-world example
CDNs caching static assets globally.
Common mistakes
- Ignoring cache invalidation complexity.
Follow-up questions
- What is cache-aside?
- What is write-through caching?