Robert Kirsammer https://robert-kirsammer.com The personal hub of Robert Kirsammer — performance-minded engineer. Writing, projects, and links. en-us Why I keep Bun in the toolchain https://robert-kirsammer.com/blog/why-i-run-bun-in-production https://robert-kirsammer.com/blog/why-i-run-bun-in-production Sat, 09 May 2026 00:00:00 GMT A pragmatic case for using Bun across install, workspace scripts, and local builds while deploying the public SvelteKit site on Vercel. Shaving 400ms off first paint https://robert-kirsammer.com/blog/shaving-400ms-off-first-paint https://robert-kirsammer.com/blog/shaving-400ms-off-first-paint Sat, 18 Apr 2026 00:00:00 GMT How I cut Largest Contentful Paint from 2.4s to 2.0s on this site by treating the hero as a CSS problem, not a JavaScript one.