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Trace slow database queries using query plans, slow query logs, and OpenTelemetry spans to identify N+1 problems, lock contention, and missing indexes.

Jan 22, 2026, 4 min read

How to Spot Database Queries That Hurt Your App's Performance

Build a custom React file upload component with drag and drop, validation, previews, and XHR progress tracking while keeping file inputs uncontrolled.

Jan 22, 2026, 5 min read

Building a Custom File Upload Component for React

Build real data tables using the HTML table DOM API with native methods that avoid XSS risks and produce semantic, accessible markup by default.

Jan 21, 2026, 4 min read

Tables Not Divs: A Simple API for Real Tabular Data

Add client-side search to static and JAMstack sites using Pagefind, Lunr, Fuse.js, or Algolia without maintaining a backend server or database.

Jan 21, 2026, 4 min read

How to Add Search to Your Website Without a Backend

Memoize JavaScript functions safely by handling object references, async edge cases, cache eviction, and React useMemo without causing memory leaks or bugs.

Jan 20, 2026, 5 min read

Practical Memoization Patterns in JavaScript

YouTube iframes damage LCP and INP scores. The facade pattern loads click-to-play placeholders instead, cutting main thread work before user interaction occurs.

Jan 20, 2026, 5 min read

Embedding YouTube Videos Without Slowing Down Your Site

The HTML output element displays live form results by linking inputs via the for attribute, the name attribute, and the HTMLOutputElement value property.

Jan 19, 2026, 4 min read

When Your Form Needs to Talk Back, Use the Output Element

Evaluate form builders by integration model, WCAG support, GDPR data residency, webhook security, and validation rules to avoid costly migrations.

Jan 19, 2026, 5 min read

Checklist for Choosing a Web Form Builder

npm-check-updates helps you update package.json ranges, respect semver boundaries, and keep lockfiles in sync without breaking CI pipelines.

Jan 18, 2026, 4 min read

Smarter Package Updates With npm-check-updates

Strix uses autonomous AI agents to probe your application for broken access control, injection flaws, and business logic bugs before they reach production.

Jan 18, 2026, 4 min read

How to Find Security Gaps in Your App Using Strix

Array findLast and findLastIndex methods let you retrieve the last matching element or its index without mutating your data or writing manual loops.

Jan 17, 2026, 4 min read

How to Get the Last Matching Array Value in JavaScript

Build Angular apps fast using Google AI Studio Build mode, export to GitHub, and handle API key security with a proper backend proxy architecture.

Jan 17, 2026, 4 min read

How to Build an Angular App via Google AI Studio

Evaluate Preact security patches, the Preact 11 beta changes, and updated tooling including Vite and preact-iso to make informed production decisions.

Jan 16, 2026, 4 min read

What's New in Preact for 2026?

Avoid scroll jank by using Intersection Observer, refs, and useSyncExternalStore for React scroll position tracking without unnecessary re-renders.

Jan 16, 2026, 5 min read

Building Scroll-Aware Components in React

Compare OKLCH color tools, browser DevTools, and accessibility checkers to build perceptually uniform palettes that meet WCAG contrast ratios in CSS.

Jan 15, 2026, 4 min read

Useful Color Tools for Frontend Developers

Build a static documentation site with Docusaurus v3 using MDX, versioning, Algolia search, and React-based theming for fast, maintainable developer docs.

Jan 15, 2026, 4 min read

Building Documentation Sites with Docusaurus

Type React TSX components with confidence by mastering props typing, event handling, children patterns, and the server and client component split in React 19.

Jan 14, 2026, 5 min read

TSX and the Rise of Typed Frontend Components

Compare REST and RPC API design across caching, type safety, and streaming to decide when to use gRPC, Connect, or HTTP resource-oriented endpoints.

Jan 14, 2026, 4 min read

REST vs RPC: Two Ways to Think About API Design

Ember.js offers conventions, Glimmer components, and Embroider with Vite for large-scale apps. See how routing, services, and tracked state work together.

Jan 13, 2026, 4 min read

An Introduction to Ember.js

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.

Jan 13, 2026, 5 min read

How to Build a Simple CRUD App in Appsmith

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.

Jan 12, 2026, 4 min read

How to Quickly Spin Up a Local Web Server

Five image hosting services built for web projects, including Cloudinary, ImageKit, and Vercel Blob, compared by free tier, CDN delivery, and trade-offs.

Jan 12, 2026, 4 min read

Five Simple Image Hosting Services for Web Projects

Build better forms using native HTML attributes like formnovalidate, pattern, and autocomplete tokens to cut custom JavaScript and improve accessibility.

Jan 11, 2026, 5 min read

Native HTML Validation Attributes Developers Often Miss

Avoid common React Server Components mistakes like overusing use client, leaking server-only code, and mishandling caching to build faster Next.js applications.

Jan 11, 2026, 5 min read

Common Mistakes With React Server Components