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A full timeline of every post on Codeslog, organized by year. Look back through the complete archive of writing on web accessibility and frontend development.

2026  85 posts

September  6 posts

When Google Forms Prints Only One Page: PrintImg Splits a Tall Screenshot into A4 Pages

Published date: 2026-09-11 · Reading time: 14 min · Word count: 2815 words · Author: Isaac

What Changed in the WCAG 3 September 2026 Draft: Levels Move from Conformance to Reporting

Published date: 2026-09-10 · Reading time: 20 min · Word count: 4132 words · Author: Isaac

Safari 27 Fixed top-level await — Retested, and Loading Doubled

Published date: 2026-09-03 · Reading time: 12 min · Word count: 2555 words · Author: Isaac

Claude 4-Model Accessibility Test: Fable 5.1, Opus, Sonnet 5

Published date: 2026-09-03 · Reading time: 16 min · Word count: 3289 words · Author: Isaac

How Screen Readers Read aria-live Status Messages — WCAG 4.1.3

Published date: 2026-09-02 · Reading time: 22 min · Word count: 4474 words · Author: Isaac

When aria-live Stays Silent — Getting ARIA Live Regions Right

Published date: 2026-09-02 · Reading time: 17 min · Word count: 3505 words · Author: Isaac

August  19 posts

WCAG 3 Accessibility-Support Sets: Korea’s Blank

Published date: 2026-08-19 · Reading time: 5 min · Word count: 2496 words · Author: Isaac

KWCAG 2.2 vs. WCAG 3: What’s Actually Different

Published date: 2026-08-19 · Reading time: 7 min · Word count: 1459 words · Author: Isaac

WCAG 2.2’s 6 New Criteria: Target Size Hits 24px

Published date: 2026-08-19 · Reading time: 24 min · Word count: 5105 words · Author: Isaac

WA Certification: Cost, Process, How to Get It

Published date: 2026-08-19 · Reading time: 8 min · Word count: 3928 words · Author: Isaac

KWCAG 2.2 Explained: 4 Principles, 33 Checkpoints

Published date: 2026-08-19 · Reading time: 5 min · Word count: 2012 words · Author: Isaac

Slack, Discord, Telegram Alerts for Claude Code

Published date: 2026-08-18 · Reading time: 49 min · Word count: 10363 words · Author: Isaac

Claude Code: Email Results When Tasks Finish

Published date: 2026-08-16 · Reading time: 39 min · Word count: 8258 words · Author: Isaac

CLAUDE.md, AGENTS.md, DESIGN.md — Markdown in the AI Era

Published date: 2026-08-15 · Reading time: 23 min · Word count: 4852 words · Author: Isaac

Markdown Syntax: Common Pitfalls and Accessibility

Published date: 2026-08-15 · Reading time: 8 min · Word count: 3630 words · Author: Isaac

Scroll-Driven Animation: When Scroll Becomes the Timeline

Published date: 2026-08-12 · Reading time: 21 min · Word count: 4471 words · Author: Isaac

Test Culture, Interviews, and What Comes Next — Wrapping Up the Frontend Testing Series

Published date: 2026-08-08 · Reading time: 11 min · Word count: 2297 words · Author: Isaac

The Traps in AI-Made Code — Missing Accessibility and Edge Cases

Published date: 2026-08-07 · Reading time: 6 min · Word count: 2831 words · Author: Isaac

Playwright × AI — codegen, MCP, Self-Healing Selectors

Published date: 2026-08-06 · Reading time: 7 min · Word count: 3464 words · Author: Isaac

Generating Tests with AI — Verification Stays Human

Published date: 2026-08-06 · Reading time: 12 min · Word count: 2489 words · Author: Isaac

Popover, Anchor Positioning, Dialog: Are They Accessible Enough to Use Yet?

Published date: 2026-08-05 · Reading time: 23 min · Word count: 4820 words · Author: Isaac

How to Read Coverage — and the Metrics Beyond It

Published date: 2026-08-04 · Reading time: 7 min · Word count: 1354 words · Author: Isaac

WCAG 3 Status Check: A Complete Rundown of the March 2026 Draft

Published date: 2026-08-04 · Updated 2026-09-10 · Reading time: 13 min · Word count: 2688 words · Author: Isaac

Building Test and Accessibility Gates with GitHub Actions

Published date: 2026-08-03 · Reading time: 6 min · Word count: 1250 words · Author: Isaac

WCAG 3 Migration: Do You Need It Yet? Moving On from WCAG 2.2

Published date: 2026-08-03 · Reading time: 9 min · Word count: 1785 words · Author: Isaac

July  30 posts

The EU AI Act Is Now in Force — Where Accessibility Hooks In

Published date: 2026-07-30 · Reading time: 4 min · Word count: 1964 words · Author: Isaac

Visual Regression Testing — Screenshot Comparison

Published date: 2026-07-29 · Reading time: 11 min · Word count: 2151 words · Author: Isaac

The World Works Better With Us — July Is Disability Pride Month

Published date: 2026-07-28 · Reading time: 6 min · Word count: 1116 words · Author: Isaac

The Web Is Less Accessible Than a Year Ago — The WebAIM Million 2026 Report

Published date: 2026-07-28 · Reading time: 8 min · Word count: 1548 words · Author: Isaac

Which Pages Do You Audit Out of Thousands?

Published date: 2026-07-28 · Reading time: 8 min · Word count: 3676 words · Author: Isaac

Accessibility E2E — Scanning with @axe-core/playwright

Published date: 2026-07-27 · Reading time: 11 min · Word count: 2248 words · Author: Isaac

Accessibility Evaluation Has a Standard Too — WCAG-EM 2.0, Twelve Years Later

Published date: 2026-07-24 · Updated 2026-08-12 · Reading time: 15 min · Word count: 2986 words · Author: Isaac

The Zombie Task Stuck in ‘Scanning’ — Vercel Deployment Protection Was the Culprit

Published date: 2026-07-24 · Reading time: 9 min · Word count: 1844 words · Author: Isaac

An Open-Source Web Accessibility Checker — The A11y Check Story

Published date: 2026-07-23 · Reading time: 13 min · Word count: 2610 words · Author: Isaac

Traces, Debugging, and Retries — Tracking Down the Cause

Published date: 2026-07-22 · Reading time: 7 min · Word count: 1294 words · Author: Isaac

Fixtures, Auth Reuse, and Parallel Runs

Published date: 2026-07-21 · Reading time: 3 min · Word count: 1355 words · Author: Isaac

The Color Is Right but the Contrast Is Wrong: The Accessibility Trap CSS opacity Sets

Published date: 2026-07-21 · Reading time: 5 min · Word count: 2074 words · Author: Isaac

Locators and auto-wait — Taming Flaky Tests

Published date: 2026-07-18 · Reading time: 4 min · Word count: 1692 words · Author: Isaac

Supporting High Contrast Mode Properly: forced-colors and System Colors

Published date: 2026-07-18 · Reading time: 12 min · Word count: 2418 words · Author: Isaac

Dark Mode Done Right: CSS Variable Design to Contrast Verification

Published date: 2026-07-18 · Reading time: 15 min · Word count: 3103 words · Author: Isaac

Getting Started with Playwright E2E — Your First Scenario

Published date: 2026-07-18 · Reading time: 4 min · Word count: 1781 words · Author: Isaac

Folding Accessibility into Tests — Role-Based Queries

Published date: 2026-07-17 · Reading time: 6 min · Word count: 2994 words · Author: Isaac

?? vs ||: Why Your Zero Keeps Disappearing

Published date: 2026-07-14 · Updated 2026-07-17 · Reading time: 9 min · Word count: 1835 words · Author: Isaac

Mocking the Network with MSW — Isolating the API

Published date: 2026-07-14 · Reading time: 4 min · Word count: 1854 words · Author: Isaac

71% Accessible Is Not Accessible — The Carrefour Ruling and One Year of the EAA

Published date: 2026-07-14 · Reading time: 9 min · Word count: 1845 words · Author: Isaac

Testing Forms, Interaction, and State — with user-event

Published date: 2026-07-13 · Reading time: 5 min · Word count: 2181 words · Author: Isaac

The Testing Library Philosophy — Querying Like a User

Published date: 2026-07-10 · Reading time: 6 min · Word count: 2590 words · Author: Isaac

mock, stub, spy — Understanding Test Doubles Properly

Published date: 2026-07-10 · Reading time: 12 min · Word count: 2548 words · Author: Isaac

TypeScript 7 Is Here — The 10x Native Compiler, and Whether You Should Switch Now

Published date: 2026-07-09 · Reading time: 12 min · Word count: 2545 words · Author: Isaac

Testing Async Code, Timers, and Errors

Published date: 2026-07-08 · Reading time: 9 min · Word count: 1745 words · Author: Isaac

Unit Testing Basics — Pure Functions, Edge Cases, and the AAA Pattern

Published date: 2026-07-06 · Reading time: 11 min · Word count: 2318 words · Author: Isaac

Wiring Vitest into the Demo App — All the Way to the First Green Light

Published date: 2026-07-05 · Updated 2026-07-06 · Reading time: 5 min · Word count: 2094 words · Author: Isaac

What to Test, and How Much — The Trap of 100% Coverage

Published date: 2026-07-04 · Updated 2026-07-05 · Reading time: 5 min · Word count: 988 words · Author: Isaac

Testing Terms, All in One Place — A Frontend Testing Glossary (Appendix)

Published date: 2026-07-04 · Updated 2026-07-27 · Reading time: 19 min · Word count: 3880 words · Author: Isaac

Why Frontend Testing, Why Now — A Seatbelt for the AI Era

Published date: 2026-07-03 · Updated 2026-07-05 · Reading time: 6 min · Word count: 1133 words · Author: Isaac

June  1 posts

Bought With My Own Money: Dr. Lee Pomodoro Timer Review — The Simplest Tool for a 90-Minute Routine

Published date: 2026-06-22 · Reading time: 8 min · Word count: 1696 words · Author: Isaac

May  2 posts

You Are Already an Accessibility User

Published date: 2026-05-20 · Reading time: 8 min · Word count: 1597 words · Author: Isaac

May Greetings for Everyone — The Story of Daon Card

Published date: 2026-05-08 · Reading time: 4 min · Word count: 1611 words · Author: Isaac

April  7 posts

Presenting at an Accessibility Seminar — A Journey Toward a Happier Web: The ModuWeb Story

Published date: 2026-04-23 · Reading time: 4 min · Word count: 1713 words · Author: Isaac

The Redesigned Cheong Wa Dae Website — But What About Accessibility?

Published date: 2026-04-21 · Reading time: 36 min · Word count: 7549 words · Author: Isaac

Quiet Work — On Receiving Korea’s Minister of Education Commendation at the 46th Disability Day

Published date: 2026-04-20 · Reading time: 5 min · Word count: 1064 words · Author: Isaac

Why Does Copy-Pasting from HWP Cause ‘?’ in MSSQL — VARCHAR vs NVARCHAR Explained

Published date: 2026-04-20 · Reading time: 6 min · Word count: 2974 words · Author: Isaac

Form Accessibility Mastery: Designing Accessible Input Forms for Everyone

Published date: 2026-04-11 · Reading time: 7 min · Word count: 3013 words · Author: Isaac

Promise.all vs Promise.allSettled: The Difference That Matters

Published date: 2026-04-08 · Updated 2026-07-17 · Reading time: 7 min · Word count: 1487 words · Author: Isaac

Function Declarations vs Expressions: Hoisting Explained

Published date: 2026-04-04 · Reading time: 11 min · Word count: 2197 words · Author: Isaac

March  3 posts

17.1% Alt Text Compliance: What South Korea’s 2025 Web Accessibility Survey Reveals

Published date: 2026-03-30 · Reading time: 5 min · Word count: 2151 words · Author: Isaac

How Accessible Is Google’s New IDE Homepage? — Analyzing Google Antigravity

Published date: 2026-03-17 · Reading time: 5 min · Word count: 2470 words · Author: Isaac

Color Accessibility: Designing Colors That Everyone Can Perceive

Published date: 2026-03-06 · Reading time: 24 min · Word count: 5080 words · Author: Isaac

February  5 posts

WCAG 3.0 Expanded Scope: Beyond the Web

Published date: 2026-02-23 · Updated 2026-07-30 · Reading time: 5 min · Word count: 2370 words · Author: Isaac

Seollal Holiday Information Isn’t Visible to Everyone

Published date: 2026-02-15 · Reading time: 4 min · Word count: 1708 words · Author: Isaac

Thoughts on Writing Blog Posts

Published date: 2026-02-05 · Reading time: 3 min · Word count: 579 words · Author: Isaac

Keyboard Accessibility A to Z: Building Websites Everyone Can Use Without a Mouse

Published date: 2026-02-03 · Reading time: 23 min · Word count: 4691 words · Author: Isaac

Assertions: A New Unit for Accessibility Evaluation

Published date: 2026-02-01 · Updated 2026-07-30 · Reading time: 3 min · Word count: 1100 words · Author: Isaac

January  12 posts

Scheduled Publishing with GitHub Actions Every 3 Hours

Published date: 2026-01-30 · Reading time: 11 min · Word count: 2254 words · Author: Isaac

Atomic Tests vs. Holistic Tests: A New Testing Approach

Published date: 2026-01-26 · Updated 2026-07-30 · Reading time: 5 min · Word count: 1034 words · Author: Isaac

WCAG 3.0 Conformance Model: Moving Beyond A/AA/AAA

Published date: 2026-01-25 · Updated 2026-09-10 · Reading time: 10 min · Word count: 2016 words · Author: Isaac

Improving Multilingual Blog UX: Building a Smart Language Suggestion Banner

Published date: 2026-01-23 · Reading time: 9 min · Word count: 4166 words · Author: Isaac

ARIA Practical Guide: Implementing Accessible Web Interfaces

Published date: 2026-01-22 · Reading time: 19 min · Word count: 3918 words · Author: Isaac

WCAG 3.0 Structure Anatomy: From Success Criteria to Outcomes

Published date: 2026-01-19 · Updated 2026-07-30 · Reading time: 20 min · Word count: 4093 words · Author: Isaac

Building a Dynamic Comment System on a Static Site: Giscus + GraphQL API

Published date: 2026-01-16 · Reading time: 10 min · Word count: 4900 words · Author: Isaac

The Dawn of WCAG 3.0: Why We Need New Guidelines

Published date: 2026-01-12 · Updated 2026-07-30 · Reading time: 16 min · Word count: 3333 words · Author: Isaac

Code Block Accessibility Improvement: Line Numbers That Screen Reader Users Can Choose

Published date: 2026-01-09 · Reading time: 17 min · Word count: 3519 words · Author: Isaac

Beyond Regulation, Toward Trust - The AI Basic Act and Accessibility

Published date: 2026-01-07 · Reading time: 18 min · Word count: 3632 words · Author: Isaac

Beyond Technology, Toward People – Understanding the Digital Inclusion Act

Published date: 2026-01-06 · Updated 2026-08-12 · Reading time: 9 min · Word count: 1845 words · Author: Isaac

Beyond Accessibility to Digital Inclusion - The Beginning of a New Era

Published date: 2026-01-05 · Reading time: 6 min · Word count: 1258 words · Author: Isaac

2025  5 posts

December  4 posts

Questions I Asked at the AI Public Service Evaluation

Published date: 2025-12-31 · Reading time: 7 min · Word count: 1370 words · Author: Isaac

A $35 Evaluation Panel — Why I’m Still Going to Seoul

Published date: 2025-12-30 · Reading time: 5 min · Word count: 1031 words · Author: Isaac

The Complete Guide to Semantic HTML: Escaping Div Hell

Published date: 2025-12-23 · Reading time: 17 min · Word count: 3536 words · Author: Isaac

Web Accessibility in the AI Era: Universal Values That Must Evolve With Technology

Published date: 2025-12-23 · Reading time: 17 min · Word count: 3553 words · Author: Isaac

September  1 posts

Blog, Beginning

Published date: 2025-09-22 · Reading time: 3 min · Word count: 448 words · Author: Isaac
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