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5 posts tagged with "frontend"

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The AI Cost of JavaScript Frameworks: What Nolan Lawson's Benchmark Tells Us

· 7 min read
Gergely Sipos
Frontend Architect

"Rewrite it in X, agents are better at X" has become a common argument in frontend teams, and it almost never comes with numbers. Nolan Lawson's The AI cost of JavaScript frameworks (October 28, 2026) is one of the first attempts to measure it. He had the same coding agent build the same app in 12 frameworks, five times each, and tracked what it cost, how long it took, how much code it produced, and how fast the result loaded. This post summarizes the findings, the caveats that matter, and what they mean for the Aliz tech stack.

What Is a Frontend Developer Worth When AI Builds the Frontend?

· 9 min read
Gergely Sipos
Frontend Architect

This site was built with heavy AI assistance. That raises an uncomfortable question for the person who built it: if an AI can produce a frontend, what exactly is a frontend developer for? The internet has two loud answers, and both come with evidence. This post lays out the strongest version of each side, what they actually agree on, and what a frontend developer should be bringing to a team in 2026. It is written for engineers and for the people who decide whether to hire them.

React 19.3: View Transitions and Fragment Refs Go Stable

· 10 min read
Gergely Sipos
Frontend Architect

React 19.3 shipped on September 9, 2026. Two APIs that have been sitting in the experimental drawer since the April 2025 React Labs post — <ViewTransition> and Fragment Refs — are now stable, joined by a browser() escape hatch for SSR, Trusted Types passthrough, and Context rendering in Server Components. There are no breaking changes, no deprecations, no codemods, and no upgrade guide, because none are needed. The interesting question isn't whether to bump the version. It's which of these APIs earn a place in your codebase.

AG-UI: The Missing Protocol Between AI Agents and Your Frontend

· 4 min read
Gergely Sipos
Frontend Architect

AG-UI (Agent User Interaction Protocol) is an open, event-based protocol that standardizes how AI agents communicate with user-facing applications. Created by CopilotKit and adopted by Microsoft, Google, AWS, LangChain, and CrewAI, it fills the gap between MCP (agent↔tools) and A2A (agent↔agent) by defining the agent↔UI layer. It's MIT licensed with 14.4k GitHub stars and 50+ framework integrations.