Marco Biedermann

https://www.youtube.com/watch?v=Q-nxiBNxCA4

http://www.slideshare.net/firt/extreme-web-performance-for-mobile-devices-54478615

add uncss to gulpfile

4

Can you please add uncss to only render the necassary styling https://github.com/ben-eb/gulp-uncss

https://www.youtube.com/watch?v=sc3wuXko-k0

video webp

1

@stefanjudis Is there a docu for all parameters of the YouTube Api? https://github.com/stefanjudis/perf-tooling/blob/master/lib%2Fhelper%2Fyoutube.js#L35 YouTube also serves the images in WebP at https://i.ytimg.com/vi_webp/VIDEO_ID/mqdefault.webp Do you know how to fetch the data,...

Please do not animate the layout with position `left` and `top`. Can you change it to `translate3d()`?! Animating other properties besides `opacity` and `transform` causes a lot of paint

feature: cache sounds

4

I would suggest caching the sound effect after the first request. This will prevent the browser from loading the file more than one time.  As you can see, I...

Change input type of gender to radio buttons

15

I recommend to change the input type of the gender field from select-box to radio buttons for better UX. Only use select-box for eight or more options. When it comes...

It would be great, if you could add responsive support. Currently the height of each slot gets calculated by adding up the hight of the elements. This does not work...

Export does not work in V70+

2

Unfortunately, when using Sketch V70+ no files get exported. After selecting a file location in the prompt, no file is being created.