A development hub for Next.js, TypeScript, tooling, and implementation troubleshooting posts.

#Development

Tag: Development

Blog operations2026-02-11

Summary of Common Pitfalls with the App Router | Common Pitfalls and Solutions for Next.js Deployment

A systematic overview of common implementation pitfalls in the App Router. Explains key considerations and specific solutions for server-side rendering (SSR), caching, and layout design.

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Blog operationsUpdated 2026-09-28

Three Checks When an ads.txt Recheck Appears Stuck

Separate the live HTTP response, AdSense last-crawl time, and Authorized, Unauthorized, or Not found status.

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Blog operationsUpdated 2026-07-26

Three GA4 Metrics to Check First—Without Mixing Their Definitions

Use active users, sessions, and engagement rate as a weekly starting point, then isolate measurement, acquisition, and landing-page changes.

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Blog operationsUpdated 2026-09-28

Vercel changes not showing: check the URL, commit, and cache

Find why a Vercel change is missing by comparing production and deployment URLs, commits, and response content before changing caches or rolling back.

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AI Development and Automation2025-09-18

What Can You Do with Codex and VS Code Integration? A Comprehensive Guide for Developers

We’re in an era where AI writes code. In particular, the combination of “Codex” and “VSCode (Visual Studio Code)” has become a powerful tool for many developers

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AI Development and Automation2026-04-21

What Changes When Blog Owners Use Codex? | The Era of Automated Content Creation and Site Optimization

Here’s a breakdown of what changes when you use Codex for blog management. I’ll provide a practical, step-by-step guide covering everything from content creation and SEO optimization to code fixes and automation.

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AI Tools and Comparisons2026-02-09

What Is Codex 5.3 (GPT-5.3-Codex)? A Comprehensive Comparison with Existing Models Based on the Latest Information

This article compares the changes in Codex 5.3 (GPT-5.3-Codex) with those in GPT-5.2-Codex and GPT-5.1-Codex-Max, and organizes key factors—such as speed, evaluation results, appropriate use cases, and deployment decisions—based on primary sources.

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AI Tools and Comparisons2026-10-07

What Is GPT-6.1 Sol? Features, Pricing, and When to Choose It

Explore GPT-6.1 Sol pricing, specifications, migration limits, and a practical way to compare it with Astra.

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AI Development and Automation2026-07-25

What Is Loop Engineering? Designing Safe, Verifiable AI Agent Loops

Learn what loop engineering means and how goals, verification, permissions, and stop conditions make AI agents safer.

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AI Development and Automation2026-03-08

What Is Vibe Coding? A New Programming Style Gaining Attention in the Age of AI

What is Vibe Coding? We’ll explain it in an easy-to-understand way—from why it’s gaining attention as a new programming method in the AI era to its pros and cons, and how it’s actually used.

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AI Development and AutomationUpdated 2026-09-06

What to Do After Pushing an API Key to GitHub: Revoke, Clean Up, and Prevent Repeat Leaks

How to revoke an exposed API key, assess misuse, clean Git history when needed, and prevent another leak.

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AI Development and Automation2026-04-06

What's Next After Vibe Coding? | How Will Development Styles Change in the AI Era?

What will be the next development style after Vibe Coding? Based on official documentation, we’ll carefully outline the shift in development during the AI era—from being “idea-driven” to being “specification-, verification-, and review-centered.”

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