A sweeping Cloudflare outage is causing widespread failures across the internet, taking down platforms including X (Twitter), ChatGPT, YouTube, and Zoom.
Various multiplayer games were also affected in one of the most disruptive infrastructure incidents of the year.
The Cloudflare Meltdown: Why Half the Internet Just Went Dark
Cloudflare confirmed Tuesday that it is “aware of, and investigating an issue which potentially impacts multiple customers.”
“Cloudflare is aware of, and investigating an issue which potentially impacts multiple customers. Further detail will be provided as more information becomes available.”
The company initially reported progress toward recovery, but soon reverted to stating that it is still investigating the root cause.
What Users Are Seeing
Across affected sites, visitors encountered Cloudflare-generated errors such as:
- 500 internal server errors
- “Please unblock challenges.cloudflare.com to proceed.”
- “Sorry, you have been blocked.”
- API and dashboard failures
In many cases, the warnings implied security threats or access blocks, but they are simply the result of Cloudflare’s systems failing.
Outage tracker Downdetector, which normally provides real-time visibility into disruptions, was itself taken down, leaving users unable to check what was failing or where.
When the site briefly loaded, it showed a massive surge in outage reports across multiple major platforms.
A Global Internet Bottleneck
Cloudflare powers core infrastructure for thousands of companies, from cybersecurity layers to traffic routing. This makes it one of the most critical backbone providers on the modern web.
The outage follows last month’s AWS incident, highlighting the fragility of centralized internet infrastructure.
Cloudflare had scheduled maintenance today for its Santiago (SCL) data center, although it is not yet confirmed whether this played a role.
Platforms Impacted So Far Include:
- X / Twitter
- ChatGPT
- YouTube
- Zoom
- Letterboxd
- bet365
- Gaming services reliant on Cloudflare APIs
- Numerous smaller sites with Cloudflare protection enabled
Some users also reported other Google services loading intermittently.
Industry Voices Point to a Bigger Trend: DePIN
In early reactions, several analysts noted that outages like this highlight the growing case for decentralized physical infrastructure networks (DePIN), systems designed to remove single points of failure in global internet operations.
Binance founder Changpeng Zhao highlighted that amidst the downtime, blockchain went uninterrupted.
Blockchain kept working.
— CZ 🔶 BNB (@cz_binance) November 18, 2025
Affected users do not need to troubleshoot their devices, but wait it out. The issue is upstream, and platforms will restore functionality once Cloudflare stabilizes its network.
This story is developing.
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