Wiki Article · Cinematic

Cache-Control

Yeh article Cache-Control ka complete guide hai — woh HTTP header jo browser, CDN, aur proxy…

Overview

Cache-Control — Quick Facts

📌

Property: Detail

🎯

Topic: Cache-Control

⚡

Type: HTTP Header (Request + Response)

🔑

Category: Web Communication / HTTP / Caching

Topic 1

Infobox

📚 | Property | Detail | |---|---| | Topic | Cache-Control | | Type | HTTP Header (Request +…

Topic 2

What Is Cache-Control?

💡

"Yeh dish 30 min tak fresh hai" →…

🔑

"Yeh dish sirf mere liye hai,…

⚡

"Yeh dish kabhi store mat karo" →…

🎯

"Dish de do lekin pehle check karo…

Topic 3

All Directives — Complete Reference

🎯 Response Directives (Server → Client/Cache) | Directive | Purpose | Example |…

Topic 4

Request vs Response Directives

⭐ Key Differences | Aspect | Response Directive | Request Directive | |---|---|---| | Set…

Topic 5

Cache-Control vs Expires vs Pragma

🔑 Historical Evolution | Header | HTTP Version | Format | Status | |---|---|---|---| |…

Topic 6

Common Caching Patterns

💡

"public": CDN + browser both cache

🔑

"max-age=31536000": 1 year…

⚡

"immutable": browser won't even…

🎯

Browser: cache 60 sec, after that…

Topic 7

Revalidation — ETag and Last-Modified

🌟 What Is Revalidation? Jab cache entry expire ho jaaye (max-age exceeded) ya no-cache set…

Topic 8

CDN and Cache-Control

💡

CDN purge is controllable (you can…

🔑

Browser cache is NOT controllable…

⚡

Safer to keep browser TTL short,…

Topic 9

Security and Cache-Control

📚 Security-Critical Rules | Rule | Why | Header | |---|---|---| | Sensitive data: no-store…

Topic 10

Cache-Control Decision Flow — Mermaid Diagram

💡 `mermaid flowchart TD START["New Response\nNeeds Cache-Control"]…

Topic 11

Common Mistakes

🎯 1. No Cache-Control Header At All ` Problem: Server response me Cache-Control set nahi…

Topic 12

Best Practices

⭐ 1. Explicit Cache-Control on Every Response Kabhi browser heuristics pe depend mat karo.…

Topic 13

Interview Perspective

🔑 Q1: Cache-Control header ka kya role hai aur key directives kaunse hain? A: Cache-Control…

Topic 14

Glossary

✨ | Term | Definition | |---|---| | Cache-Control | HTTP header jo caching behavior control…

Comparison

Request vs Response Directives

⚖️

Set by: Server

⚖️

Controls: How caches store this response

⚖️

Common use: max-age, public, private,…

Comparison

Cache-Control vs Expires vs Pragma

⚖️

Pragma: no-cache: HTTP/1.0

⚖️

Expires: HTTP/1.0

⚖️

Cache-Control: HTTP/1.1

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Cache-Control ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Cache-Control ka 'Topic' kya hai?

Complete! 🎉

Cache-Control Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

✅

Cache-Control Complete

➡️

Cache-Control

Cache-Control — Quick Facts

Property: Detail

Topic: Cache-Control

Type: HTTP Header (Request + Response)

Category: Web Communication / HTTP / Caching

Infobox

What Is Cache-Control?

"Yeh dish 30 min tak fresh hai" →…

"Yeh dish sirf mere liye hai,…

"Yeh dish kabhi store mat karo" →…

"Dish de do lekin pehle check karo…

All Directives — Complete Reference

Request vs Response Directives

Cache-Control vs Expires vs Pragma

Common Caching Patterns

"public": CDN + browser both cache

"max-age=31536000": 1 year…

"immutable": browser won't even…

Browser: cache 60 sec, after that…

Revalidation — ETag and Last-Modified

CDN and Cache-Control

CDN purge is controllable (you can…

Browser cache is NOT controllable…

Safer to keep browser TTL short,…

Security and Cache-Control

Cache-Control Decision Flow — Mermaid Diagram

Common Mistakes

Best Practices

Interview Perspective

Glossary

Request vs Response Directives

Set by: Server

Controls: How caches store this response

Common use: max-age, public, private,…

Cache-Control vs Expires vs Pragma

Pragma: no-cache: HTTP/1.0

Expires: HTTP/1.0

Cache-Control: HTTP/1.1

Visual Flow

See Also

Cache — General caching concepts

Cache hit — Hit rate and…

Cache miss — Miss types and…

Cache invalidation — Invalidation…

HTTP — HTTP protocol fundamentals

CDN — Content Delivery Network…

Quiz — Question 1

Quiz — Question 2

Cache-Control Complete!

Cache-Control Complete

Cache — General caching…