Website, app, or Progressive Web App?
Website oder App? – Warum nicht beides (Artikel in Englisch)!
Mobiles
Test your mobile speed.
Most sites lose half their visitors while loading.
Viewport Emulator
The Viewport Emulator is a free online tool to test your responsive web design on a variety of viewports
Google-AMP-Updates: Das sind die Neuerungen
Position Observer für Scrolling Animations, besseres Handling für Videos, Fluid Ads
amp-iframe
Use amp-iframe for embedding content into AMP files via iframe
piwik / device-detector
The Universal Device Detection library will parse any User Agent and detect the browser, operating system, device used (desktop, tablet, mobile, tv, cars, console, etc.), brand and model
Making Responsive HTML Emails
Keep Things Simple
Responsive Email Patterns
A collection of patterns & modules for responsive emails
Drupal Cache + Mobile Detect Conflict
There seems to be an issue when using Drupal’s page caching.
