Azeem Mirza’s Post

Technical Deep Dive Most Frontend Developers don't fully understand how the browser renders a webpage. Here's what actually happens when you type a URL (and why it matters for your code): 1. DNS Lookup The browser converts the domain name into an IP address. 2. TCP Connection A connection is established between your browser and the server. 3. HTTP Request The browser requests the HTML file from the server. 4. DOM Construction The browser parses HTML and builds the Document Object Model (DOM). 5. CSSOM Construction CSS is parsed and the CSS Object Model is built. 6. Render Tree DOM + CSSOM combine to create the Render Tree. 7. Layout & Paint The browser calculates positions and paints pixels on screen. Understanding this helped me write FASTER and CLEANER code. Because now I know WHY certain optimizations matter. 🚀 Save this for your next interview. 🔖 #Frontend #WebDevelopment #JavaScript #Performance #BrowserRendering"

Frontend Reality 😄 HTML builds the structure. CSS handles the design and layout. JavaScript adds functionality. But sometimes the biggest challenge in frontend is not logic… it's just centering a button. After trying margins, padding, and many CSS tricks… Somehow the button finally sits in the center. And the best part? You’re afraid to touch the code again. Every frontend developer knows this moment. #FrontendDevelopment #WebDevelopment #CSS #HTML #JavaScript #DeveloperLife #CodingHumor #WebDesign #ProgrammerLife #TechLife

💻 Frontend development in one picture 😄 Started with HTML – everything looks simple and structured. Then came CSS – making things beautiful and visually appealing. And finally… JavaScript enters the chat 🧠🔥 From static pages ➡️ to interactive experiences ➡️ to complex logic. Every developer goes through this evolution. And yes… things get a little “intense” along the way 😅 But that’s where the real growth happens 🚀 #WebDevelopment #Frontend #HTML #CSS #JavaScript #CodingLife #DeveloperJourney #TechHumor

Here is the ultimate Next.js Core Web Vitals waterfall. Save it. Screenshot it. Bookmark it. You can use this as your reference for your Next.js project. If it does not look something like this you should question what you are doing :-) 32ms TTFB. That is ISR doing its job. Then, in order: ▪️ 2 font preloads. Not Next.js defaults. I replaced Geist with Lato + Cormorant Garamond, set display: 'swap' explicitly and removed most of the weights to only load what the page actually uses. next/font left to its own devices generates too many preloads I don't want. Manual control fixes that. ▪️ 1 image preload, optimized by the Next.js image component with high fetchpriority. ▪️ 2 stylesheets. Both under 15kB. Both preloaded with high fetchpriority. Most sites I audit have 10+. That happens when every npm package ships its own CSS, import order is inconsistent, and nobody checks what the build actually produces. I would have liked the stylesheets to land before the fonts but in the end it does not matter. ▪️ Then JS. The prerender is already complete. JS here is genuinely non-blocking, not just labelled that way. The browser paints before a single script byte executes. That is the way. 👇 #nextjs #webperf #corewebvitals #frontend #engineering

There's something incredibly satisfying about building something with HTML, CSS, and JavaScript. You start with an idea. You code it. And then... it actually works. It's interactive. It's alive. I'm currently working on card components creating responsive layouts with smooth transitions and interactive elements. It's a reminder that you don't need complex frameworks to build beautiful, functional web experiences. Sometimes the fundamentals are all you need. Mastering HTML structure, CSS styling, and JavaScript interactivity is what makes you a better developer overall. #WebDevelopment #FrontEnd #Developer #BuildersOfTheWeb #HTML #CSS #JavaScript

One line of JavaScript can change an entire user experience. Example: Updating text dynamically instead of reloading a page. Small concept — big impact. This is why frontend development is so powerful. #webdevelopment #frontenddeveloper

🚀 I just built my own Rock Paper Scissors Game using HTML, CSS & JavaScript! This project may look simple, but it helped me understand core web development concepts like: • DOM Manipulation • Event Handling • Game Logic Implementation • Responsive Design While building this, I faced challenges in handling user clicks and updating scores dynamically, but solving them improved my problem-solving skills. 🔧 Tech Stack: HTML CSS JavaScript You can check the live version here: https://lnkd.in/gUu_JCNK I’m currently learning frontend development and building small projects to strengthen my fundamentals. Feedback is always welcome 🙌 #WebDevelopment #JavaScript #FrontendDeveloper #LearningInPublic

🚀 Day 945 of #1000DaysOfCode ✨ Rendering Patterns in Frontend (Handwritten Notes) Frontend development has evolved a lot — from simple static pages to highly dynamic and optimized rendering strategies. In today’s post, I’ve shared my handwritten notes covering rendering patterns in depth, starting from static websites and moving towards modern approaches like CSR, SSR, ISR, and RSC. I’ve also broken down concepts like hydration and de-hydration in a simple way, so you can understand what actually happens behind the scenes when your UI loads and becomes interactive. This is not just theory — it’s a complete mental model to help you choose the right rendering strategy based on performance, SEO, and user experience. If you’re working with React or modern frameworks like Next.js, understanding these patterns will give you a huge edge in building scalable and optimized applications. 👇 Which rendering pattern do you find most confusing right now? Let’s discuss in the comments! #Day945 #learningoftheday #1000daysofcodingchallenge #FrontendDevelopment #WebDevelopment #JavaScript #React #Next #CodingCommunity #WebPerformance

Hey everyone! I’ve challenged myself to build 5 web projects to strengthen my frontend skills, and I'm excited to share : Project 1/5: A Password Generator! 🚀🔐 I built this entirely from scratch using just HTML, CSS, and Vanilla JavaScript. My main goal was to focus on UI/UX and making it feel like a modern application. Here are the main features I implemented:  ✅ A modern glassmorphism design ✅ Real-time password strength tracking ✅ Customizable length and character options (uppercase, lowercase, numbers, symbols) ✅ Instant copy-to-clipboard functionality Building this was great practice and really helped me improve in a few key areas: 💡 DOM Manipulation: Managing state and dynamic UI updates without any frameworks. 💡 CSS Styling: Working with gradients, hover effects, and responsive design. 💡 APIs: Using the browser's Clipboard API to securely copy text. You can see exactly how it works in the short video attached below! 🎥 Next up is Project 2... Code & Documentation on GitHub: 🔗 https://lnkd.in/demvBdfZ #WebDev #Frontend #JavaScript #HTML #CSS #CodingChallenge #DeveloperCommunity

CSS has evolved from “styling language” to a powerful layout system. Grid, Flexbox, variables, and container queries are changing how we think about design implementation. Less dependency on frameworks. More control with native CSS. Modern CSS feels like engineering, not workaround. #CSS #WebDevelopment #Frontend #ModernCSS #Developers