Web

1. 1

   What Is The Web

   Client-server modelBrowser as a clientURL structureWhat happens between typing and rendering
   20 min
2. 2

   HTTP vs HTTPS

   Plaintext HTTPHTTPS as HTTP over TLSConfidentialityIntegrityAuthenticityPadlock UI
   15 min
3. 3

   Request and Response Anatomy

   Request lineHeadersBodyStatus codesMethodsCurl -v
   30 min
4. 4

   Cookies, Sessions, and Tokens

   Set-CookieHttpOnlySecureSameSiteServer sessionsJWT+1
   25 min
5. 5

   DNS Explained

   RootTLDAuthoritative serverRecursive resolverAAAAA+6
   25 min
6. 6

   TLS and Certificates

   TLS handshakeClientHelloServerHelloCertificateKey exchangeCA chain of trust+2
   30 min
7. 7

   CORS

   Same-origin policyOriginPreflight OPTIONSAccess-Control-Allow-OriginAccess-Control-Allow-MethodsAccess-Control-Allow-Headers+1
   30 min
8. 8

   REST API Basics

   Resources as nounsMethods as verbsStatus codesIdempotencyHATEOASVersioning
   25 min
9. 9

   WebSockets and SSE

   Long pollingWebSocket upgradeFull-duplex framesServer-Sent EventsWhen to pick each
   25 min
10. 10

    Caching and CDNs

    Browser cacheProxy cacheCDN edgeCache-ControlETagIf-None-Match+2
    25 min
11. 11

    Security Headers

    Content-Security-PolicyStrict-Transport-SecurityX-Content-Type-OptionsX-Frame-OptionsFrame-ancestorsReferrer-Policy+1
    25 min
12. 12

    Rate Limiting and Throttling

    Token bucketLeaky bucketFixed windowWhere to enforce429Retry-After+1
    20 min
13. 13

    Monitoring and Logging

    Structured logsCorrelation IDsTracesSpansFour golden signalsLog vs metric+1
    20 min
14. 14

    Capstone: A Tiny Web Server

    Serving HTTPCache headersCORS headersSecurity headersCurl -v304 Not Modified+1
    40 min

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