What If Your Website Suddenly Got 10,000 Visitors in 1 Hour?

[youcinez]

I’ve been thinking about something interesting recently and wanted to hear different opinions from people here.
Most of us focus on building websites, forums, apps, or projects… but we rarely test the real limit of our hosting until something unexpected happens.
Imagine this situation:
⚡ Your website suddenly goes viral
⚡ 10,000+ visitors arrive in less than an hour
⚡ Traffic keeps increasing for several hours
Now the real questions are:

• Would your hosting survive the load?
  
• Would your site stay fast or start crashing?
  
• Do most people actually choose hosting based on performance… or just price?
  
• And how do you personally test your server stability?
  

I think this is something many webmasters only realize after their first crash.
I’m curious how others here handle this situation or prepare for it in advance.
Also sharing my digital project space where I test different ideas and tools:
Would love to hear real experiences from people running websites or forums ?