Using the TYPO3 caching framework in your own extension
A plugin that calls a slow external API on every request. How to register your own cache, inject it, tag entries, flush them at the right moment and pick a backend for production.
Core Web Vitals on a TYPO3 site: images, fonts and CSS
Most LCP and layout shift problems on TYPO3 pages come from oversized images, late fonts and blocking CSS. Fixes with f:image, srcset, preload and font-display, and how to measure.