[suhith]

This is gold.

I've seen so many of these, even on websites with lots of traffic. Websites have to be written taking into consideration the way it loads too, especially on mobile data. I've found the Chrome DevTools feature where you can throttle bandwidth comes in super handy for this.

[Laforet]

For resilience testing I highly recommend Clumsy even if it only runs on Windows:

https://jagt.github.io/clumsy/