I’m Nasim Khan, is a Software Engineer focused on building efficient and user-friendly web applications. SHe writes about web development, programming fundamentals, and modern technologies, sharing practical insights for developers and learners.
Nasim Khan
Website Speed Optimization – Practical, Real‑World Guide
This guide is based on real production experience. No theory. Only changes that actually improve load time, Core Web Vitals, and crawl efficiency. CSS Optimization JavaScript Optimization jQuery Handling Image Optimization Font Optimization Lazy Loading Strategy Network Optimization Caching Strategy Static Cache Policy Server & Backend Optimization Content & DOM Optimization Script Control What Actually … Read more
What Is Closure in JavaScript?
Closures are one of the most important and most misunderstood concepts in JavaScript. If you work with callbacks, event handlers, React hooks, or async code, you are already using closures—whether you realize it or not. This article explains closures from the ground up, with real-world examples, performance notes, and common pitfalls. Closure Definition (In Simple … Read more
CSS Entities: A Complete, Practical Guide for Developers
CSS entities are not a standalone CSS feature, but they play a critical role in how CSS handles special characters, symbols, and reserved characters when styles interact with HTML and text content. Misunderstanding entities often leads to broken layouts, invalid CSS, or rendering issues—especially in pseudo-elements, content properties, and embedded styles. This guide explains CSS … Read more
What Is Event Bubbling?
Event bubbling is a core concept in JavaScript’s event model. It describes how events propagate through the DOM hierarchy after they are triggered on an element. In simple terms: when an event happens on a child element, it automatically travels upward to its parent elements, one by one, until it reaches the document root. This … Read more
Automation in Web Development: Making Life Easier for Publishers
Automation is no longer limited to developers. For digital publishers, automation in web development reduces manual work, minimizes publishing errors, and speeds up content delivery. From deployment to performance optimization, automation now runs quietly behind most modern publishing platforms. What Automation Means for Publishers In practical terms, automation means systems handling repetitive tasks without human … Read more
How to Override CSS Styles (Complete, Practical Guide)
Overriding CSS styles is a core front-end skill. It becomes critical when working with third-party libraries, legacy code, CMS themes, or auto-generated styles. This guide explains every reliable way to override CSS, why some methods fail, and which approach is technically correct in real production environments. 1. How CSS Decides Which Style Wins CSS works … Read more
Show More / Show Less Using CSS (No JavaScript)
The show more / show less pattern is widely used to control long content blocks without overwhelming users. While this is often implemented using JavaScript, modern CSS alone can handle most real‑world cases efficiently, with better performance and fewer moving parts. This article covers pure CSS techniques, accessibility notes, limitations, and production‑ready patterns. Why Prefer … Read more
The Silent Revolution: Why the React Compiler is the MVP of 2026
Get ready, developers. A seismic shift has hit the React world. It’s not a new hook or a fancy framework—it’s the React Compiler. This tool isn’t just an update; it’s a total redefinition of how we build performant apps. For years, we’ve been stuck in a manual labor loop. We spent half our time asking: … Read more
What Is Padding in CSS? (Simple Explanation with Examples)
If you’ve ever wondered why content inside a box doesn’t stick to its border, the answer is CSS padding. Padding is one of the most basic yet most important concepts in CSS, and it plays a huge role in layout, readability, and overall UI design. In this article, I’ll explain what padding in CSS is, … Read more
What Is the Best Way to Learn Web Development in 2026?
Your ultimate roadmap to becoming a modern web developer Web development in 2026 is bigger, better, and faster than ever. With new tools, frameworks, and trends emerging every year, many beginners often ask: “Where do I start?” or “What’s the best way to learn web development in 2026?” In this article, I’ll break down a … Read more