https://www.linacre.site/blog Practical engineering notes on interface systems, frontend theming, delivery quality, and cloud caching. en-gb Tue, 28 Jul 2026 16:59:31 GMT https://www.linacre.site/blog/dynamic-hsl-theme-variables https://www.linacre.site/blog/dynamic-hsl-theme-variables How to build a theme customization panel using CSS custom properties, HSL color calculations, and local storage preservation. Thu, 02 Jul 2026 00:00:00 GMT david@linacre.site (David Linacre) styling https://www.linacre.site/blog/optimizing-edge-cdn-caching https://www.linacre.site/blog/optimizing-edge-cdn-caching Enforcing cache invalidation rules, immutable assets, and s-maxage controls to build a blazing fast, globally cached SPA. Wed, 08 Jul 2026 00:00:00 GMT david@linacre.site (David Linacre) caching