https://www.codeslog.com/en/series/developers-log/ Recent content in Developer's Log on Codeslog https://www.codeslog.com/images/default-cover.png?v=20260114T1436 https://www.codeslog.com/images/default-cover.png?v=20260114T1436 Hugo -- 0.168.0 en-US Tue, 28 Jul 2026 00:47:04 +0900 https://www.codeslog.com/en/posts/page-sampling-algorithm/ Tue, 28 Jul 2026 00:47:04 +0900 https://www.codeslog.com/en/posts/page-sampling-algorithm/ How do you pick which pages to audit out of thousands? A deterministic algorithm on WCAG-EM 2.0 stratified sampling — URL clustering finds representative pages without fetching a page body. https://www.codeslog.com/en/posts/vercel-deployment-protection-zombie-task/ Fri, 24 Jul 2026 01:45:00 +0900 https://www.codeslog.com/en/posts/vercel-deployment-protection-zombie-task/ Right after launch, two audits sat stuck 'scanning' for hours. Two fixes I was sure of missed, and only the third found the real culprit — Vercel Deployment Protection was blocking an internal call with a 401. A serverless queue debugging story. https://www.codeslog.com/en/posts/a11ychk-accessibility-audit/ Thu, 23 Jul 2026 13:28:00 +0900 https://www.codeslog.com/en/posts/a11ychk-accessibility-audit/ Meet A11y Check, an open-source web accessibility checker. It audits against WCAG 2.2 and KWCAG together, finds violations, and hands you an AI-ready fix guide — plus a compliance badge, and why the engine is open source. https://www.codeslog.com/en/posts/moduweb-accessibility-seminar/ Thu, 23 Apr 2026 22:30:00 +0900 https://www.codeslog.com/en/posts/moduweb-accessibility-seminar/ A recap of presenting ModuWeb, an open-source overlay accessibility tool, at an AI Accessibility seminar in Seoul — plus an honest take on overlay-tool criticism and other speakers' talks. https://www.codeslog.com/en/posts/ai-evaluation-review/ Wed, 31 Dec 2025 01:51:00 +0900 https://www.codeslog.com/en/posts/ai-evaluation-review/ My experience as a citizen evaluator for an AI agent competition. Recording the questions I asked about accessibility, failure response, and communication design. https://www.codeslog.com/en/posts/evaluation-panel-seoul/ Tue, 30 Dec 2025 01:07:37 +0900 https://www.codeslog.com/en/posts/evaluation-panel-seoul/ A full day of my time, travel paid out of pocket, and just 50,000 won in return — yet I'm heading to Seoul as a citizen evaluator for an AI agent competition. A reflection on why a seemingly losing choice can plant seeds for the future.