API Design Jul 26, 2026 10 min read
Cache-Control Explained for APIs
Choose safe API caching policies with max-age, s-maxage, private, no-cache, no-store, revalidation, and practical Java and Node.js recipes.
Tag
HTTP
10 articles with this tag. Follow these related notes when you want a narrower study path.
API Design Jul 26, 2026 8 min read
CDN Caching Strategies for APIs
Design safe CDN cache keys, shared TTLs, revalidation, stale responses, and invalidation workflows for Java and Node.js APIs.
API Design Jul 26, 2026 6 min read
ETag and Conditional Requests Explained
Implement ETag, If-None-Match, Last-Modified, 304 responses, and safe update preconditions with Spring Boot and Express examples.
API Design Jul 26, 2026 10 min read
HTTP Cache Headers Explained
Understand Cache-Control, Age, Expires, Vary, freshness, validation, and browser versus shared cache behavior with Java and Node.js examples.
Security Jul 25, 2026 8 min read
CORS Configuration Best Practices
Configure CORS safely in Spring Boot and Express with exact origins, credentials, preflight caching, rejection behavior, tests, and deployment checks.
Backend Jul 2, 2026 5 min read
CORS Preflight Explained
Learn how CORS preflight requests work, including OPTIONS handling, allowed methods, headers, credentials, caching, errors, and backend mistakes.
API Design Jun 30, 2026 4 min read
PUT vs PATCH in REST APIs
Compare PUT and PATCH in REST APIs, including replacement vs partial updates, idempotency, validation, status codes, and backend implementation choices.
Backend Jun 30, 2026 5 min read
Secure HTTP Headers Explained for Backend Developers
Learn practical secure HTTP headers for backend apps, including HSTS, CSP, X-Content-Type-Options, frame protection, referrer policy, and cookie-related limits.
API Design Jun 28, 2026 5 min read
Rate Limiting in APIs Explained
Learn how API rate limiting works, including fixed windows, sliding windows, token buckets, 429 responses, headers, and backend tradeoffs.
API Design Mar 22, 2026 5 min read
REST API Status Codes Explained
Understand the HTTP status codes backend developers use most often in REST APIs, including 200, 201, 400, 401, 404, 409, and 500.