Practical guides for cleaner URLs, smarter SEO, and a more thoughtful web. Find your next useful idea.
Explore the journal
19 articles
Editor's pickUse this deployment debugging checklist to investigate environment variables, builds, runtime errors, DNS, TLS, caching, permissions, and logs.
Troubleshoot a website that fails on some networks by comparing DNS, IPv4 and IPv6, TLS, caching, routing, and HTTP responses step by step.
Understand the eMudhra certificate incident, how CA trust and private keys work, and practical steps for checking and maintaining TLS certificate security.
Learn how to troubleshoot a website that works on one network but not another by checking DNS, IPv4 and IPv6, TLS, caching, and connectivity.
Understand CA misissuance, private-key compromise, and browser trust—and how to assess the eMudhra certificate incident without overstating its impact.
Understand the eMudhra certificate incident, how browser trust works, why CA and website keys differ, and how to assess certificate impact carefully.