10 min read
What Is an SSL Certificate Chain? Explained Simply
An SSL certificate chain links your site to a trusted root via intermediates. Certs cap at 200 days and drop to 47 by 2029. Learn how to verify your chain.
AAbhay Khant
Tag Archive
#best-practices
12 posts found with this tag.
10 min read
TypeScript Type Safety: A Practical Guide
TypeScript strict mode catches real bugs before they ship. Learn strictNullChecks, unknown vs any, narrowing, and runtime validation with Zod.
AAbhay Khant
10 min read
quicktype JSON Schema: Infer Schemas from JSON Samples
Infer JSON Schema from JSON samples with quicktype: CLI setup, multi-sample inference, Draft 7 output, limitations, refinement, and CI validation.
AAbhay Khant
10 min read
Zod to JSON Schema: Generate Schemas from TypeScript Types
Generate JSON Schema from Zod schemas with z.toJSONSchema(): draft 2020-12 export, recursion, unrepresentable types, AJV validation, and CI gates.
AAbhay Khant
10 min read
CSS Gradient Performance: Rendering and Optimization
CSS gradient performance is a non-issue when static. Cost shows up on animation and huge repainted areas. Learn to profile and optimize gradients.
AAbhay Khant
11 min read
Redirect Chain: What It Is, Why It Hurts SEO, How to Fix It
A redirect chain is a series of redirects between your URL and the final page. Nearly 1 in 12 sites has one. Learn how to find, fix, and prevent them.
AAbhay Khant
11 min read
iCloud Private Relay Explained: What It Does and Doesn't Do
iCloud Private Relay is not a VPN. Learn how its dual-hop proxy works, what the 2026 WebKit leaks (3 vectors) exposed, and how to test it.
AAbhay Khant
12 min read
WebRTC Leak Test: Why Your VPN Shows Your Real IP
A webrtc leak test reveals your real IP past a VPN: STUN answers bypass the tunnel. Fix WebRTC in Firefox or extensions in five minutes.
AAbhay Khant
11 min read
DNS over HTTPS vs DNS over TLS: Which Should You Use?
DNS over HTTPS vs DNS over TLS: both encrypt DNS, but DoH rides port 443 while DoT is easy to block. 84% of VPN apps leaked anyway. Compare them.
AAbhay Khant
12 min read
What Is DNS over HTTPS? DoH Explained
DNS over HTTPS encrypts DNS lookups, hiding what 84% of Android VPN apps leaked in 2016. Enable it in Chrome, Firefox, Edge, Windows, or Android.
AAbhay Khant
11 min read
DNS Leak Test: What It Is and How to Check
A DNS leak exposes what you browse to your ISP even on a VPN: 84% of Android VPN apps leaked in 2016. Learn the 2026 WebKit leaks and how to fix them.
AAbhay Khant
10 min read
What Are Passkeys? The Passwordless Login Standard Explained
Passkeys are the passwordless, phishing-resistant login standard replacing passwords. Learn how they work and how they compare to 2FA.
AAbhay Khant