@SuzanneAldrich Is there an easy way to find out why Cloudflare shows a 520 error for a URL? Thinking HTTP2 push leads to > 8k headers.
make the same request against the origin is one way to eliminate large headers as a cause: https://support.cloudflare.com/hc/en-us/articles/219304477 …
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thanks! I'll pass it along.
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the more common scenario is a TCP reset - normally caused by the web server crashing and visible in error logs
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