Insights / Technical notes
Turn implementation and operations decisions into reusable knowledge.
We document the design decisions behind our services and work across Astro, Cloudflare, CMS, SEO, accessibility, and related topics.
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For help framing an implementation, start with the implementation guide.View the implementation guide
Cloudflare Vectorize and RAG: Understand Search and AI Answers
Learn how Cloudflare Vectorize makes existing public information easier to find from natural-language questions, with practical benefits, its role alongside ordinary search, RAG, and a safe staged adoption path.
- Technology
- Cloudflare
- Vectorize
- RAG
- Semantic search
- Site search
Cloudflare Vectorize Implementation Guide: Safely Sync Public HTML
A detailed guide to building a corpus from public HTML, keeping Pagefind available, and operating Vectorize synchronization safely.
- Technology
- Cloudflare
- Vectorize
- OpenAI
- Site Search
Making "Quiet Infrastructure" Tangible: We Renewed the Acecore Systems Website
We renewed the Acecore Systems website around the theme of "Quiet Infrastructure." This article explains why we redesigned the site and highlights the main changes, including a three-layer view of work—workplace, systems, and operations—and a clearer path through our approach, services, work, pricing, implementation guide, and contact options.
- News
- Services
- Website
- Web Development
Designing an Astro + Cloudflare Website That Can Grow Feature by Feature
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.
- Technology
- Astro
- Cloudflare
- Website
- AI
- CMS
Build Astro Blog Comments with Cloudflare Only
How we added comments to an Astro blog without an external comment service, using only Cloudflare Pages Functions, D1, Turnstile, and Wrangler configuration.
- Technology
- Cloudflare
- Astro
- Security
- Website
How to Run a Multilingual Blog with Sveltia CMS
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.
- Technology
- GitHub Copilot
- i18n
- CMS
- SEO
Sveltia CMS Setup Guide
A practical guide to adding Sveltia CMS to an Astro or static site, covering GitHub OAuth, a repository-specific GitHub App, validated direct publishing, media uploads, and multilingual operations.
- Technology
- CMS
- Astro
- Cloudflare
- Security
Safely Rendering Markdown Links in AI Chat Answers
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.
- Technology
- Website
- AI
- Security
- Astro
Technical design for carrying service CTA context into a contact form
An implementation design for carrying the context a visitor was reading on a service page into the contact form. It covers mini CTAs in an Astro site, the URL parameter contract, initial form-category selection, subject prefill, multilingual URLs, GA measurement, and generated-HTML checks in a reusable form.
- Technology
- Website
- Services
- Astro
- CMS
Technical Design for Adding an AI Contact Chat to an Astro Site
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.
- Technology
- Cloudflare
- Website
- AI
- Services
We Launched Hatt’s Homepage
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.
- News
- Web Development
- Website
- CMS
- Astro
Key Points for Website Production Costs and Quotes
An overview of website production costs by purpose, key items to check in quotes, and how to achieve results within your budget.
- Web Development
- Website
- SEO
- Services
Cloudflare Advanced Certificate Manager (ACM)
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.
- Technology
- Cloudflare
- Security
- Infrastructure
Astro Site Quality Improvement Guide, Part 2 - Final Adjustments That Achieved Perfect 100s Across All PageSpeed Insights Categories
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.
- Technology
- Astro
- Performance
- Accessibility
- SEO
- Website
Astro Site Quality Improvement Guide — Achieving PageSpeed Mobile Score of 99
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.
- Technology
- Astro
- Performance
- Accessibility
- SEO
- Website
Monkey Testing Your Website with GitHub Copilot × Playwright: A Practical Guide
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.
- Technology
- GitHub Copilot
- VS Code
- Astro
- Website
Pitfalls and Solutions for Astro View Transitions — A UX and Code Quality Improvement Guide
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.
- Technology
- Astro
- Website
A Practical Guide to Making Your Astro Site WCAG AA Compliant
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.
- Technology
- Astro
- Accessibility
SEO Improvement Guide: Implementing Structured Data and OGP on Your Astro Site
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.
- Technology
- Astro
- SEO
Making an Astro 7 Site Support 9 Languages — Blog Translation and Multilingual Architecture
A record of making an Astro 7.1.3 + UnoCSS + Cloudflare Pages site support 9 languages. Covers the entire process from UI internationalization to translating blog posts and configuring Pages CMS for multilingual content.
- Technology
- Astro
- i18n
- Website
I Let GitHub Copilot Handle My Entire Tax Return — From 837 Journal Entries to Filing
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.
- Technology
- GitHub Copilot
- VS Code
Zoho Mail to KAGOYA MAIL Migration Guide — DNS, Authentication & Data Audit in Practice
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.
- Technology
- DNS
- Infrastructure
Practical Techniques for Improving PageSpeed on an Astro Site
Practical optimization techniques for an Astro + UnoCSS + Cloudflare Pages site. Covers CSS delivery, font configuration, responsive images, AdSense load control, deferred GA4 loading, and cache settings.
- Technology
- Astro
- Performance
Achieving Secure Static Site Delivery with Cloudflare Pages
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.
- Technology
- Cloudflare
- Security
From VitePress to Starlight — Unifying Documentation Site Frameworks
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.
- Technology
- Astro
- Starlight
