28 articles
CEO of Acecore. Leads web, databases and infrastructure, quality assurance, and AI adoption from business problem framing through design, rollout, and post-launch improvement. Builds on hands-on C#/.NET capability while also covering PHP/JavaScript, SQL Server/PostgreSQL/MySQL, and Linux/Windows Server, designing requirements, technology choices, quality standards, and GitHub-based development operations as one coherent workflow. Uses generative AI across development, verification, and information organization, treating it as practical infrastructure that helps small teams deliver faster and more reliably.
How we combined Astro and Cloudflare Pages with an AI contact chat, Sveltia CMS, multilingual blog publishing, service CTA handoff, safe Markdown rendering, and Cloudflare-only comments as one extensible website architecture.
How we added comments to an Astro blog without an external comment service, using only Cloudflare Pages Functions, D1, Turnstile, and Wrangler configuration.
A practical workflow for editing Japanese source articles in Sveltia CMS, generating translation PRs with GitHub Actions and GitHub Copilot, and publishing localized static pages that work better for search engines than UI-only translation.
A practical guide to adding Sveltia CMS to an Astro or static site, covering the GitHub backend, OAuth Worker, media uploads, multilingual operations, CMS pull requests, and lessons from real fixes.
An implementation note on converting Markdown links in AI chat answers into safe HTML. By separating whitespace-tolerant parsing, href trimming, allowlist validation, DOM rendering, fallbacks, and test cases, the same pattern can be reused on other sites.
A practical design guide for adding an AI contact chat to a static Astro + Cloudflare Pages site with the OpenAI Responses API. It covers API boundaries, site context, prompt controls, locale-aware URLs, Origin checks, rate limiting, and safe Markdown link rendering.
We launched the official portal for Aceserver, a free public Minecraft server anyone can join. Built with Astro, UnoCSS, and Sveltia CMS, it organizes server introduction, videos, world maps, Wiki, and Discord entry paths in one place.
We launched Hatt’s Homepage, a personal site that brings together artwork, novels, and VRChat avatar and gimmick creation. Built with Astro, Sveltia CMS, and Pagefind, it is designed as a place Hatt can keep publishing creative work over time.
ホームページ制作の費用相場を目的別に整理し、見積もりで確認すべき項目、予算内で成果につなげる考え方を解説します。
Cloudflare’s former paid option "Dedicated SSL Certificates" was renamed and expanded in 2021 as "Advanced Certificate Manager (ACM)." This article explains the differences from free Universal SSL and when ACM is needed.
A follow-up to the previous article covering the final refinements: disabling Cloudflare Web Analytics, deferring GA4 and search UI loading, reaching perfect 100s across all PageSpeed Insights categories on both mobile and desktop, cleaning up Search Console breadcrumbs and indexing, migrating to shared SVG icons, and documenting the optimizations that were tried but not adopted.
A complete record of improving an Astro + UnoCSS + Cloudflare Pages site across four axes — performance, SEO, accessibility, and UX — achieving a PageSpeed Insights mobile score of 99 and perfect 100 on all desktop metrics.
A hands-on guide to systematically monkey testing a static site using VS Code Agent Mode (GitHub Copilot) combined with Playwright browser tools. Covers test design methodology, discovered bugs and their fixes, and improvement recommendations.
A practical guide covering solutions for scripts breaking with Astro View Transitions, introducing Pagefind full-text search, improving TypeScript type safety, centralizing constants, and more to improve UX and code quality.
A comprehensive guide to accessibility improvements implemented on an Astro + UnoCSS site. Covers aria attributes, contrast, focus management, form validation, screen reader support, and everything needed for WCAG AA compliance.
A step-by-step guide to properly implementing JSON-LD structured data, OGP, sitemaps, and RSS on an Astro + Cloudflare Pages site. Covers everything from Google rich result support to RSS feed optimization with practical SEO improvements.
A record of making an Astro 6 + UnoCSS + Cloudflare Pages site support 9 languages. Covers the entire process from UI internationalization to translating 168 blog posts and configuring Pages CMS for multilingual content.
From classifying and verifying 837 journal entries accumulated through cloud accounting data sync, to reconciling social insurance premiums, entering deductions, and filing the return. A complete record of a tax return where GitHub Copilot Agent Mode × Simple Browser handled virtually all the real work.
A practical guide covering the full migration from Zoho Workplace to KAGOYA MAIL, including step-by-step procedures, DNS configuration, SPF/DKIM authentication, and a comprehensive data audit of all Zoho Workplace services.
Optimization techniques used to achieve PageSpeed Insights Mobile 99 on an Astro + UnoCSS + Cloudflare Pages site. Covers CSS delivery strategy, font configuration pitfalls, responsive images, AdSense lazy loading, and cache settings.
A practical guide to static site deployment on Cloudflare Pages and security header/CSP configuration using _headers. Also covers why we switched back from Workers to Pages.
A record of migrating a business plan document built with VitePress + UnoCSS to Astro + Starlight, unifying the framework across two projects. Also covers migrating Mermaid diagrams to CDN.
Acecore's official website has been completely renewed. Here's an overview of the new site's features and future plans.
An overview of Acecore services across server operations, web production, design, and IT education.
Acecore's community activities, educational support, and open source contributions. Introducing our initiatives through Aceserver, Schools, and study groups.
AceCore Schools hosted a hands-on robot building workshop during summer break, giving children the chance to experience the joy of building robots. Through crafting, we nurture technical knowledge and creativity.
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