From the OpenReplay Blog
5 Modern CSS Features Every Developer Should Know
Container queries, cascade layers, CSS custom properties, and the has selector help developers write responsive, maintainable CSS without relying on frameworks.
Detecting When Elements Enter the Viewport with Intersection Observer
Replace scroll event listeners with Intersection Observer API to detect element visibility and enable lazy loading, animations, and video autoplay efficiently.
Comparing 11ty and WordPress for Modern Web Projects
Compare Eleventy and WordPress across performance, security, and cost to choose the right static or dynamic architecture for your next web project.
Modern SVG Animation Techniques
Compare CSS animations, GSAP, and the Web Animations API to build performant, accessible SVG animations with optimized paths and smart element reuse.
Form Validation Made Simple with htmx
Build cleaner forms with htmx by combining HTML5 validation attributes and server-side inline feedback without writing mountains of JavaScript.
Creating Accessible Popovers with Modern CSS & JS
Build accessible popovers with the native Popover API, CSS positioning, and ARIA attributes to support keyboard navigation and focus management.
AI Browsers and the Future of Web Development
Build AI-ready sites using semantic HTML and Schema.org markup so AI browsers like Comet and Edge Copilot can parse your content effectively.
Storybook: Building Better UI Documentation
Build living UI documentation with Storybook using Autodocs, MDX, and Controls to keep component docs synchronized with your actual codebase automatically.
Controlling Line Length in CSS for Better Readability
Control line length in CSS using ch units, clamp(), and container queries to improve readability and meet accessibility guidelines for diverse audiences.
Adding Dark Mode to Your Site with Tailwind
Add dark mode to your site using Tailwind CSS dark variant, covering system preferences, manual toggles, and localStorage persistence for user preference.
Reverse Proxy Servers Explained for Web Developers
Reverse proxies like Nginx, Caddy, and Traefik route traffic, enable HTTPS termination, and serve React and Node.js apps cleanly under one domain.
Core Web Vitals: How to Optimize LCP
Fix slow LCP scores by addressing TTFB, resource discovery, load duration, and render blocking using CDN caching and image preload strategies.
Git Rebase for Beginners: A Simple Introduction
Git rebase replays commits onto target branches for a clean linear history. Apply interactive squash and force push techniques to your own feature branches.
Automating Code Checks with Git Pre-Commit Hooks
Set up Git pre-commit hooks using the pre-commit framework, ESLint, Prettier, and Black to catch formatting and linting errors before every commit.
Ghostty: A Modern Terminal for Developers
Compare Ghostty terminal features like GPU acceleration, GTK4 support, built-in multiplexing, and session persistence to improve your developer workflow.
Getting Started with Google's Gemini CLI
Install Gemini CLI, authenticate via Google account, and use terminal commands to explore codebases, generate tests, and refactor code with Gemini.
JavaScript Pipeline Operator and What It Means
The JavaScript pipeline operator transforms nested function calls into linear readable code flows, and you will see how Babel enables it today.
CSS Anchor Positioning Explained
CSS Anchor Positioning lets you attach tooltips, dropdowns, and popovers to elements using pure CSS, eliminating JavaScript positioning calculations entirely.
Advanced GitHub Copilot Features You Should Try
Advanced GitHub Copilot features like multi-file edits, contextual agents, slash commands, and voice input can transform how developers write and maintain code.
Using Priority Hints with fetchpriority for Performance
Control resource loading order with fetchpriority and Priority Hints to boost LCP scores and improve Core Web Vitals across modern browsers.
Understanding the Device Orientation API
Build motion-controlled web apps using the Device Orientation API, alpha beta gamma axes, gyroscope data, and iOS permission handling for mobile browsers.
Using Top-Level Await in Modern JavaScript
Top-level await in ES modules removes async IIFE workarounds and shapes module execution, dynamic imports, and circular dependency handling in JavaScript.
Obsidian vs Logseq: Choosing a Note-Taking App
Compare Obsidian and Logseq across note organization, plugin ecosystems, and local storage to choose the right knowledge management tool for your workflow.
State Management: Built-In vs External Libraries
Compare React hooks, Redux, Zustand, and Pinia to choose the right state management approach for frontend projects that need to scale effectively.