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//Article
How HTTPS Certificates Renew Themselves: Let's Encrypt and ACME Explained
Blog Summary
A tiny program on your server renews your HTTPS certificate while you sleep, until one day it quietly doesn't. How ACME and certbot work, why renewals fail months later, and the outside check that saves you.
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- 12
HTTPS in Plain English: Certificates, Keys and What the Padlock Really Means
Blog Summary
The padlock doesn't mean a site is safe. Here's what HTTPS really does, in plain English: symmetric and asymmetric keys, the TLS handshake, what a certificate authority proves, and what HTTPS can't protect.
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- 15
What Actually Happens When You Type a URL and Press Enter
Blog Summary
Pressing Enter starts a relay race of DNS, TCP, TLS, HTTP, server work and rendering. Learn the whole route once and you'll know exactly where a slow page is hiding its delay.
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01. About Shiroz
Mohammed Shiroz
Hi, I'm Mohammed Shiroz, a software engineer and AI enthusiast from Sri Lanka who turns ideas into intelligent, real-world solutions. With over 9 years of hands-on experience, I currently lead real estate ERP development at Kate Group, a...
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