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Posts tagged “tls”

3 articles on full-stack development, web fundamentals and backend systems.

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abacaccess-tokensapi-designauthenticationauthorizationbackendbrowserbrowser-renderingcachingcertificatescookiescore-web-vitalscorscssomdebuggingdevtoolsdnsdnssecdomfrontendfundamentalsheadershstshttphttp2http3httpshydrationjwtmiddlewarenetworkingoauthobservabilityoidcopenid-connectpkceproduction-issuesrate-limitingrbacrefresh-tokensresolversreverse-proxysecuritysessionssocial-loginsslssrtcptlsttlweb-performance

Production Debugging: A Practical Framework for Web Request Issues

A practical, layer-by-layer framework for debugging production web issues: slow pages, failed requests, redirect loops, DNS problems, TLS errors, CORS failures, and hydration mismatches.

debuggingdevtoolsobservabilitydnstlscorshydrationproduction-issues

TLS and HTTPS in Depth: Handshakes, Certificates, SNI, ALPN, HSTS, and OCSP

A practical guide to TLS and HTTPS, covering the TLS 1.3 handshake, certificate chains, SNI, ALPN, cipher suites, forward secrecy, HSTS, OCSP, and how to debug common SSL failures.

tlshttpssslsecuritycertificateshstsnetworkingweb-performance

What Happens When You Press Enter in a Browser?

A practical map of what happens after you press Enter, from URL parsing and DNS to HTTP, server processing, browser rendering, hydration, and debugging.

browserdnstcptlshttphttp3networkingweb-performancessrhydrationfundamentals