Cloudflare randomly cuts off HTML with query strings


i hope that you can help me.

I have a website which works great with Cloudflare but if I add query strings to the URL (UTM Tags & Facebook Click ID), CF cuts randomly off some HTML (in the middle of the HTML output).

I already contacted the support and provided a HAR file - but maybe someone in the community knows a little but more.
I use “ignore query strings” (which makes it even more strange that a query string causes this behaviour.
I tried to deactivate Rocket Loader and Browser Insights - nothing worked.

Anyone has a clue?


Can you post the ticket number? @amayorga is combing through issues this morning.

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