https://engineer-blog.tomoki-ttttt.workers.dev/en/ A lightweight personal engineering blog about indie development, web engineering, AI-assisted work, product design, and operational improvements. en https://engineer-blog.tomoki-ttttt.workers.dev/en/articles/tech-blog-performance-notes/ https://engineer-blog.tomoki-ttttt.workers.dev/en/articles/tech-blog-performance-notes/ Sat, 16 May 2026 15:00:00 GMT A practical note on HTML, JavaScript, CSS, images, fonts, dependencies, Lighthouse metrics, and a checklist for keeping an engineering blog fast. https://engineer-blog.tomoki-ttttt.workers.dev/en/articles/tabidea-travel-tips-loading-ux/ https://engineer-blog.tomoki-ttttt.workers.dev/en/articles/tabidea-travel-tips-loading-ux/ Mon, 11 May 2026 19:00:00 GMT How I designed the generation waiting experience in Tabidea, an AI travel planner, by turning loading time into a moment of anticipation with a progress bar and travel tips. https://engineer-blog.tomoki-ttttt.workers.dev/en/articles/about-this-blog/ https://engineer-blog.tomoki-ttttt.workers.dev/en/articles/about-this-blog/ Mon, 11 May 2026 15:30:00 GMT From Next.js to Astro. A deep dive into the technical selection, the development process with AI agents, and my vision for this blog.