From the OpenReplay Blog
Preventing FOUC in Modern Frontend Apps
Stop FOUC in React and Next.js apps by applying critical CSS inlining, SSR style extraction, font-display control, and proper hydration ordering.
Express vs Hono: Which Should You Use?
Compare Express and Hono across deployment targets, TypeScript support, and ecosystem depth to choose the right Node.js web framework for your project.
What People Really Mean by '10x Developer'
The real 10x developer meaning goes beyond coding speed. See how leverage, mentorship, AI judgment, and maintainable code define true developer impact.
Generating Unique IDs with the Web Crypto API
The Web Crypto API crypto.randomUUID method generates secure, RFC-compliant UUIDs in modern browsers with zero dependencies and no collision risk.
Understanding CSS Display Modes
Grasp how the CSS display property controls outer and inner layout types, and choose confidently between block, inline, flex, and grid modes.
The Anatomy of an HTTP Request
Break down HTTP request structure across HTTP/1.1, HTTP/2, and HTTP/3, including headers, binary framing, multiplexing, and modern fetch metadata concepts.
How to Add Custom JavaScript to WordPress Themes
Add custom JavaScript to WordPress themes correctly using wp enqueue script, manage dependencies, and apply defer and async loading strategies reliably.
Using Dev Containers for Local Development
Dev Containers bundle Node, extensions, and Docker Compose services into one config file, eliminating environment conflicts for every developer on your team.
Baseline: A New Way to Think About Browser Support
Web Platform Baseline replaces version tracking with feature availability tiers, so teams can confidently adopt CSS and JavaScript across all core browsers.
Should You Replace Date() with Temporal Yet?
Compare JavaScript Temporal API and Date object across browser support, timezone handling, and adoption strategy to decide which suits your production needs.
A First Look at TanStack AI
TanStack AI introduces a vendor-neutral, type-safe SDK for connecting React and other frameworks to OpenAI, Anthropic, and Gemini with modular adapters.
A Quick Guide to JavaScript Global Scope
JavaScript global scope behaves differently in classic scripts versus ES modules. See how var, let, const, and globalThis interact with the global object.
The Debugging Mindset Every Developer Needs
Adopt a hypothesis-driven debugging mindset and apply it using Chrome DevTools, Bun, Vite, and TypeScript to isolate bugs faster and with greater precision.
Five GitHub Alternatives for 2026
Compare GitHub alternatives including GitLab, Forgejo, Radicle, SourceHut, and Azure Repos to choose the right Git hosting platform for your team.
10 jQuery Features You Can Replace with Native APIs
Replace jQuery with native browser APIs using querySelector, classList, fetch, and the Web Animations API for faster, dependency-free JavaScript code.
Using jQuery Migrate for Safer Upgrades
jQuery Migrate lets teams upgrade to jQuery 4 while catching deprecated APIs and restoring compatibility before removing the plugin entirely.
jQuery 4.0 and the Modern Web
Decide whether to upgrade to jQuery 4.0, stay on version 3.x, or migrate to native JavaScript based on real trade-offs and breaking changes.
Do We Still Need Breakpoints in Responsive Design?
Breakpoints remain relevant but work alongside container queries and fluid CSS techniques to build layouts that adapt without device-specific overrides.
Building Infinite Scroll with HTMX
Build HTMX infinite scroll with intersect and revealed triggers, server-driven loaders, and pagination fallbacks that work without JavaScript.
Understanding the Factory Pattern in JavaScript
The Factory Pattern centralizes JavaScript object creation, simplifies dependency injection, and lets you swap implementations without changing calling code.
How JavaScript Closures Work
Closures capture bindings, not values in JavaScript. See how lexical scope, loop behavior, and memory management work so you can write reliable code.
Scanning Your Repo for Secrets With TruffleHog
Scan git repositories for secrets using TruffleHog, interpret verified findings, and automate credential detection with the TruffleHog GitHub Action.
Node.js API Best Practices in 2026
Apply Node.js API patterns covering Zod validation, Helmet headers, Pino logging, and graceful shutdown to build resilient production services.
How to Fix ERR_BLOCKED_BY_CLIENT in Chrome
Diagnose and fix ERR_BLOCKED_BY_CLIENT in Chrome by identifying blocking extensions, enterprise policies, and filter rules intercepting your network requests.