When the AIs Went Dark: The Real Reason ChatGPT, Claude, and Canva Went Down — And What It Teaches Us About Internet Resilience

A detailed, human-friendly breakdown of the November 2025 Cloudflare outage that brought the modern internet to a standstill, why it happened, and what every developer and everyday user should learn from it.

Description:

A massive Cloudflare outage took down ChatGPT, Claude, Canva, Twitter, and several major sites in November 2025. This deep, example-driven guide explains what went wrong, why it happened, the exact timeline of restoration, and what users and developers must understand about internet reliability and dependency on infrastructure providers.

Introduction:

If you were online on November 18, 2025, you probably experienced the strangest moment the web has seen in years.

ChatGPT refused to load.
Claude went silent.
Canva froze.
Twitter, Spotify, and multiple major platforms showed “internal server errors.”
Even sites unrelated to these services crashed simultaneously.

For a few hours, it felt as if the internet had hit a reset button.

But what actually happened?
And how did so many unrelated platforms go down at the same time?

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