From the OpenReplay Blog
How to Build an Angular App via Google AI Studio
Build Angular apps fast using Google AI Studio Build mode, export to GitHub, and handle API key security with a proper backend proxy architecture.
What's New in Preact for 2026?
Evaluate Preact security patches, the Preact 11 beta changes, and updated tooling including Vite and preact-iso to make informed production decisions.
Building Scroll-Aware Components in React
Avoid scroll jank by using Intersection Observer, refs, and useSyncExternalStore for React scroll position tracking without unnecessary re-renders.
Useful Color Tools for Frontend Developers
Compare OKLCH color tools, browser DevTools, and accessibility checkers to build perceptually uniform palettes that meet WCAG contrast ratios in CSS.
Building Documentation Sites with Docusaurus
Build a static documentation site with Docusaurus v3 using MDX, versioning, Algolia search, and React-based theming for fast, maintainable developer docs.
TSX and the Rise of Typed Frontend Components
Type React TSX components with confidence by mastering props typing, event handling, children patterns, and the server and client component split in React 19.
REST vs RPC: Two Ways to Think About API Design
Compare REST and RPC API design across caching, type safety, and streaming to decide when to use gRPC, Connect, or HTTP resource-oriented endpoints.
An Introduction to Ember.js
Ember.js offers conventions, Glimmer components, and Embroider with Vite for large-scale apps. See how routing, services, and tracked state work together.
How to Build a Simple CRUD App in Appsmith
Build a simple CRUD app in Appsmith by connecting a database, displaying records in a Table widget, and wiring forms for create, update, and delete operations.
How to Quickly Spin Up a Local Web Server
Fix CORS errors and broken paths by running a local web server using VS Code Live Server, npx serve, Python, or Vite for frontend development.
Five Simple Image Hosting Services for Web Projects
Five image hosting services built for web projects, including Cloudinary, ImageKit, and Vercel Blob, compared by free tier, CDN delivery, and trade-offs.
Native HTML Validation Attributes Developers Often Miss
Build better forms using native HTML attributes like formnovalidate, pattern, and autocomplete tokens to cut custom JavaScript and improve accessibility.
Common Mistakes With React Server Components
Avoid common React Server Components mistakes like overusing use client, leaking server-only code, and mishandling caching to build faster Next.js applications.
Server-Side Data Fetching in Nuxt
Nuxt server-side data fetching rules for payload hydration, key management, and dedupe behavior help you eliminate double-fetching and hydration bugs.
Chrome Extensions for Web Performance Testing
Compare Chrome DevTools, React DevTools, and performance extensions like React Scan and Checkbot to know which tool fits each web performance testing scenario.
Playing Sounds With the Web Audio API
Build precise browser audio using Web Audio API tools like AudioContext, AudioBuffer, OscillatorNode, and AudioWorklet for scheduling, effects, and synthesis.
Creating Holographic Effects in CSS
Build iridescent holographic CSS effects using layered gradients, OKLCH color, blend modes, and animation while keeping interfaces accessible and performant.
Five Handy Gradient Resources for Frontend Developers
Five CSS gradient tools and references help frontend developers build perceptually uniform gradients using OKLCH, OKLab, and modern color interpolation syntax.
Do AI PCs Make Sense for Developers?
Weigh the real benefits of NPU hardware, Copilot+ requirements, and Windows ML against the limits developers face in daily coding workflows.
Pagination Patterns in MongoDB
Compare MongoDB skip limit and keyset pagination patterns to understand performance tradeoffs and choose the right approach for your dataset.
Meet Genkit: Google's Framework for AI-Powered Apps
Google Genkit helps developers build observable AI workflows in Node.js backends with typed outputs, structured prompts, and clear production debugging tools.
A Practical CI Setup for Node.js Projects
Build a GitHub Actions CI pipeline for Node.js with npm ci, version matrices, and lint-before-test ordering to catch failures automatically.
How to Code Your Presentations in Markdown with Slidev
Build Markdown-based presentations with Slidev using Vue components, version control, and Vite tooling, then export to PDF, SPA, or PPTX formats.
What Makes Go Appealing to Modern Developers
Evaluate Go for backend services by examining its fast compilation, goroutines, channels, standard library, and built-in toolchain for production development.