A major outage at Cloudflare, one of the world’s backbone internet infrastructure providers, caused widespread disruptions across multiple websites on Tuesday, leaving millions of users unable to access popular platforms for nearly three hours.
What Is Cloudflare?
Cloudflare is a global cloud services and cybersecurity company that powers a significant portion of the world’s internet. Through its vast network of data centres, web security solutions, and cyber-threat protection systems, it acts as an “immune system for the internet,” filtering malicious traffic and speeding up access to websites.
The company serves nearly 300,000 customers in 125 countries—including China—and earns over $500 million per quarter.
Why the Outage Matters
Cloudflare plays an essential role in the internet’s infrastructure, supporting approximately one in every five websites globally. When its systems fail, the effects ripple across the digital ecosystem, causing websites to load slowly or go offline entirely.
During Tuesday’s disruption, popular platforms such as ChatGPT, X (formerly Twitter), and major e-commerce and entertainment websites experienced significant downtime, demonstrating how deeply embedded Cloudflare is in global internet operations.
Who Was Affected?
According to outage-tracking platform Downdetector, several high-traffic platforms were impacted, including:
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Bet365
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League of Legends
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Sage (accounting & payroll systems)
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YouTube
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Google Services
Millions of users across multiple regions reported errors, failed logins, and slow page loads during the downtime.
What Caused the Outage?
Cloudflare described the issue as an “internal service degradation.”
Key details include:
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An unusual spike in traffic was detected at 11:20am UK time.
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Engineers temporarily disabled an encryption service in London while working to restore functionality.
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The issue was fully resolved by 2:42pm UK time, just under three hours after investigations began.
Cloudflare has not yet confirmed the root cause of the traffic spike.
What the Incident Reveals About Internet Resilience
Industry experts say the outage highlights a growing concern: the internet’s increasing dependence on a small group of infrastructure giants.
Recent outages involving Amazon AWS, Microsoft Azure, and now Cloudflare have exposed what analysts call a “dependency chain,” where failures at a few companies can disrupt broad segments of the global digital economy.
Since cloud platforms now power everything from banking to e-commerce, experts argue for greater decentralization and diversification of online infrastructure.
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