CTRL + F5 will not delete all cookies and/or local storage. Depending on the implementation, deleting some secret locally isn't enough because a third person could still use it.

I'm sorry, I don't believe a word. There are tons of ways to proof this story without sharing the details. Go ahead ;)

#1 Experience: Representing timespan as string is bad.
#2 framework has to handle list of string and list of list of string ;)

But I like it a lot. If it won't go through HR, there are probably more interesting companies around :)

Price of hardware + price of work/time. Not too bad, if you are lazy and money is not your main concern.

This makes total sense in JS. It will return both null and undefined as null, but pass valid values trough (especially relevant for falsy ones like "" and 0).

Lots of ways to trigger GET requests via css. Question is not stupid at all.

Use a VM

Add source, please.

Best way is to buy recommended hardware. Had Dell and Thinkpad Notebooks and most things are working out of the box. How about using a VM with hardware virtualization activated for now?

@Sauruz Some days ago, there was a major outage of Google in central Europe ^^ And +1 for the people who already had trouble because a CDN was down in the past :)