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Cloudflare is one of the biggest traffic-handling networks in the world.
If you felt like the internet broke for a few hours on 18 November 2025, you were not alone.
Thousands of websites suddenly stopped loading, some apps refused to open, and social platforms slowed down like it was the early 2000s again.
The issue came from Cloudflare, a company that quietly keeps a huge portion of the internet running every single day.
Many users saw errors like this when Cloudflare went down.
Around noon (UTC), Cloudflare’s network started throwing 500 internal server errors.
Within a few minutes:
If Cloudflare is the “bridge” between your device and a website, this bridge suddenly had too many cracks.
Cloudflare hasn’t officially explained the full cause yet, but here are the most believable reasons — explained in a way anyone can understand:
One small change in a global network can break everything instantly.
Cloudflare updates its systems constantly.
If even one wrong line of configuration gets deployed across their worldwide servers, it can:
Spread the issue within seconds This has happened before — not just with Cloudflare, but with Google, Amazon, and Facebook too.
Think of BGP as the internet’s navigation system.
BGP is like GPS for data. It tells your device how to reach a website.
If wrong routes are announced:
This is a classic cause of global outages.
Cloudflare confirmed that there was scheduled maintenance in their Santiago (SCL) data center around the same time.
Usually, maintenance is safe. But:
…it can snowball into a global outage.
The timing makes it a strong possibility.
Platforms like X (Twitter) and several news sites were affected.
Most people don’t realise this, but:
👉 A huge part of the internet runs behind Cloudflare.
Cloudflare handles:
So when Cloudflare has a problem, websites that depend on it also fall like dominoes.
Think of it like electricity: if one big power station goes down, an entire city feels it.
Cloudflare shared that:
This is completely normal — big companies usually release a detailed technical report later.
Businesses need backup systems to avoid total shutdowns.
If one company’s glitch can shake the whole internet, it means:
Huge parts of the world depend on a handful of companies.
If you rely on one DNS, one CDN, one provider… you’re at risk.
Cloudflare has world-class infrastructure. But no system is perfect.
Not really.
Outages happen. Amazon had one. Google had one. Even Facebook had one so big that their employees couldn’t enter their own building.
Cloudflare will fix it — and likely strengthen their network even more.
But if you run a business or website, this is your reminder to:
One glitch shouldn’t take your business offline for hours.
The Cloudflare outage on 18 November 2025 was a strong reminder of how fragile the internet can be behind the scenes. One mistake or one broken configuration can slow down or break millions of websites at the same time.
Cloudflare will surely release a full root-cause analysis soon.
But one thing is clear:
When Cloudflare goes down, the internet goes with it.
Let’s hope the explanation helps the tech world build even better, safer systems.
