Tech Blog
Frontend deep dives, architecture design, performance optimization, and development insights
WebAuthn Passkey Deployment: Dev to Production Guide 2026
Complete guide to WebAuthn Passkey authentication from protocol principles to registration/verification flows, server implementation, and multi-device sync
WebAssembly Performance Optimization: From Rust to Browser
This guide covers the WASM compilation pipeline, Rust-to-WASM toolchain, wasm-bindgen JS interop, WASM vs JS benchmarks, and SIMD optimization techniques.
Web Security Defense: XSS, CSRF, SSRF, Clickjacking Guide
From attack principles to defense code, this guide covers the four major web security threats — XSS, CSRF, SSRF, and Clickjacking.
WebTransport Guide: Streams, Datagrams, HTTP/3
A practical guide to WebTransport for real-time browser apps: how it differs from WebSocket and WebRTC, and when datagrams or streams make sense.
Frontend Performance Metrics: LCP, FID, CLS, Core Web Vitals
How LCP, FID, INP, and CLS are measured and optimized, with real-world lessons from the ToolsKu site for building fast web apps.
Web Security Headers: 5 Best Practices from CSP to HSTS
Complete guide to web security headers, covering Content-Security-Policy, HSTS, CORS configuration, and Permissions-Policy
WebCodecs Video Processing: 5 Patterns for Browser Encoding
From VideoDecoder to VideoEncoder, covering complete WebCodecs browser-native video processing and real-time encoding
Web Components: Shadow DOM, Custom Elements, Native Components
Deep analysis of the three core Web Components APIs—Custom Elements, Shadow DOM, and HTML Templates—compared with React/Vue, with practical examples.
WebCodecs API: Low-Latency Audio/Video Encoding
A deep dive into the WebCodecs API covering VideoEncoder/Decoder, AudioEncoder/Decoder, zero-copy frame processing, and low-latency transcoding pipelines.
Web Animations API: High-Performance GPU Acceleration Guide
Deep comparison of Web Animations API vs CSS animations, covering GPU acceleration, will-change best practices, and composite layer optimization.
Web Audio API: Browser-Side Audio Processing Architecture
A deep dive into AudioContext audio graphs, AudioBuffer processing, and real-time analysis—and how ToolsKu's audio trimmer works under the hood.
Hermes Agent v0.16.0 Review: From Geek Toy to Mass Tool
A review of Hermes Agent v0.16.0 'Surface Release': native desktop app, remote gateway, MCP integration, and enterprise production deployment.
WasmEdge AI Inference: Edge LLM Deployment in Practice
Deep dive into the WasmEdge edge AI inference workflow, from runtime configuration to the WASI-NN interface, edge model deployment, and inference gateways.
WasmEdge Serverless Edge: 5 Patterns for Edge Functions
From Wasm runtime to edge functions, cloud-edge collaboration to Serverless deployment — a complete guide to WasmEdge edge computing
WASI Preview2 Networking: 5 Patterns for Wasm HTTP Services
Complete guide to WASI Preview2 networking, covering HTTP Handler components, outbound HTTP requests, WIT communication, and Spin deployment
WebAssembly Runtimes: WasmEdge vs Wasmtime vs Wasmer 2026
From benchmarks to WASI preview2, component model to edge deployment, deep comparison and production selection guide
WebAssembly OCI Registry: Distributing Wasm Like Containers
From Wasm component OCI image packaging to Registry push, Cosign signing, and version management — a complete OCI distribution guide
Wasm Runtime Embedding: 5 Patterns to Integrate WebAssembly
Complete guide to Wasm runtime embedding, covering wasmtime initialization, Host Function registration, memory sharing, and instance pooling
Wasm Cloud-Edge Collaboration: 5 Distributed Wasm Patterns
From WasmCloud Actor development to capability providers, NATS cloud-edge messaging, and edge task scheduling — a complete distributed Wasm production guide
WebAssembly GC: Kotlin & Dart Near-Native Browser Execution
From the Wasm GC proposal to Kotlin/Wasm and Dart/Wasm project setup and GC object interop with JS — a complete GC language support guide