How Does JavaScript Affect Site Speed? A Practical Guide to JavaScript Performance
Where does JavaScript slow your site down? Render blocking, defer vs async, code splitting, third party tags and the link to INP, explained with field experience.
Software
Articles on custom software, CRM, e-commerce platforms, integrations and SaaS products.
174 posts
What Is Blockchain Development? Smart Contracts and the Languages Behind Them
The basics of blockchain development: smart contracts, Solidity, Rust on Solana, Move, and practical smart contract security. No investment advice.
How to Contribute to Open Source: A GitHub Guide for Beginners
From choosing a project and finding a good first issue to forks, pull requests, licenses and community rules: a practical guide to your first open source contribution.
VS Code vs Visual Studio: Key Differences and the Best Extensions for Developers
How VS Code and Visual Studio differ, which projects suit each tool, what the license terms mean for companies and which extensions are worth installing.
How Caching Works: Cache Strategies Explained with Redis vs Memcached
Cache strategies, TTL, invalidation, cache stampedes and eviction policies, plus how Redis and Memcached work and when to choose each one.
Modern HTML and CSS Web Design: Practical Examples for Today's Websites
Semantic HTML, Grid, Flexbox, container queries, CSS variables and :has(): how to build faster, sturdier and more accessible interfaces with less code.
What Is Object Oriented Programming (OOP)? The 4 Core Principles With Code Examples
A practical guide to the four principles of object oriented programming, encapsulation, inheritance, polymorphism and abstraction, with Python code examples and common mistakes.
Git and GitHub Guide: Essential Git Commands Every Developer Should Know
A practical guide to everyday git commands, branching strategies, pull requests and resolving merge conflicts, so you can work safely with Git and GitHub.
Selenium vs Cypress vs Playwright: Comparing Modern Test Automation Tools
I compare Selenium, Cypress and Playwright on architecture, language support, browser coverage and flaky tests, and show the same login test in all three.
What Does a Test Automation Engineer Do? STLC Phases and Career Path
What a test automation engineer does day to day, the tasks in each STLC phase, the skills you need and the career path from junior to lead.