- https://github.com/plan2net/webp - WebP Images for TYPO3: easy to use and configure, but images are created on the fly. Thus it blocks the rendering quite a bit for newly created images. Requires access to vHost / .htaccess configuration
- https://github.com/sourcebroker/imageopt - Scheduler tasks for image optimization
- https://extensions.typo3.org/extension/min/ - Compression for CSS and JS, also for HTML but might break inline JS
- https://www.richardhaeser.com/typo3-blog/using-pagetitle-api-of-typo3 - Usage of title tag api in TYPO3 9.5 LTS
- https://extensions.typo3.org/extension/schema_org/
- https://typo3worx.eu/2019/01/symfony-console-in-typo3/ - Using the Symfony console in TYPO3
- https://www.t3versions.com/ Online checker and database for TYPO3 versions
- inline forEach, kudos to https://stackoverflow.com/questions/27335295/inline-notation-of-typo3-fluid-view-helper-ffor
{f:if(condition: i.isLast, then: '{x}', else: '{x} ') -> f:for(each: '{item.thing}', as: 'x', iteration: 'i')}