Learn how to avoid render blocking JavaScript using async and defer scripts.

Async and Defer Script Loading

Learn what are the core web vitals and how to measure them.

What are Web Vitals?

Learn what are different indicators for performance identification of any service.

SLIs, SLOs and SLAs

Learn the basics of CI/CD and how to implement that with GitHub Actions.

What is CI and CD?

Learn the basics of SAML and understand how does Single Sign On work.

SSO — Single Sign On

Learn and understand what is OAuth and how it works

OAuth — Open Authorization

Understand what is JWT authentication and how is it implemented

JWT Authentication

Understand what is token based authentication and how it is implemented

Token Based Authentication

Understand what is session based authentication and how it is implemented

Session Based Authentication

Understand what is basic authentication and how it is implemented

Basic Authentication

Covers the basics of character encodings and explains ASCII vs Unicode

Character Encodings

Tips on getting getting familiar with an unfamiliar codebase

Unfamiliar Codebase

Why “build it and they will come” alone won’t work anymore

Build it and they will come?

Here is what happens when a new device joins the network.

DHCP in One Picture

Quick tidbit on the differences between SSL, TLS, HTTPS and SSH

SSL vs TLS vs SSH

Learn the basics of measuring the time and space complexity of algorithms

Asymptotic Notation

Easy to understand explanation of Big-O notation without any fancy terms

Big-O Notation

Learn how they are generated and why they may not be truly random.

Random Numbers: Are they?

Learn the basics of internet and everything involved with this short video series

How does the internet work?

Learn the ups and downs of different database scaling strategies

Scaling Databases

Learn everything you need to know about BitTorrent by writing a client in Go

Building a BitTorrent Client

How to Step Up as a Junior, Mid Level or a Senior Developer?

Levels of Seniority

A language agnostic, ultra-simplified explanation to design patterns

Design Patterns for Humans

Quick illustrative guide on how a website is found on the internet.

DNS in One Picture

Everything you need to know about web caching

HTTP Caching

How JavaScript was introduced and evolved over the years

Brief History of JavaScript

How do proxy servers work and what are forward and reverse proxies?

Visual Guides

Async and Defer Script Loading

What are Web Vitals?