Check if elements are working
Check images
If you can see an image then picture is working...
Check Self-hosted font (Roboto)
If this is printed in Roboto then self-hosted fonts are working...
Check JavaScript import
Check SVG Sprite
If you can see the icons, then the SVG sprite is working...
Check Dart SASS
If this text is in red then sass/components/component-test.scss is working...
Check .no-js
If you disable Javascript (open Chrome inspector, Ctrl+Shift+P, then type "Disable JavaScript" and reload the page) and the following box will be empty, .no-js is working...
Test .no-js.
(To re-enable JavaScript: Ctrl+Shift+P, then type "Enable JavaScript" and reload the page.)