Cloudflare is down.

Cloudflare has been experiencing a massive outage that has knocked dozens of major websites offline. The company provides web security, speed, and routing services for millions of sites, so when Cloudflare goes down, anything that relies on it cannot load, a failure that ripples across a huge portion of the internet. 

The issues hit Cloudflare around 6:48am ET today. The company said it is focusing on restoring service and will provide updates as the fix rolls out.