Bufferbloat on DSLReport disappears

Hi, I recently installed OpenWrt on my router and trying to set up SQM.

When running tests on DSLReports, I see the bufferbloat window for a very short period of time (i.e. less than one second) and then it disappears. During this time, the status is pausing and after a while, download tests begin.

I have tried running tests with or without logging in, on different browsers with extensions enabled or disabled, normal browsing and InPrivate, and even on my phone. They all seem to have this problem.

If it helps, these are the errors I get in my developer console:

Access to XMLHttpRequest at 'http://t50.dslreports.com/front/0k?c=xtAEAdQD-1605373926749-7' from origin 'http://www.dslreports.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

GET http://t50.dslreports.com/front/0k?c=xtAEAdQD-1605373926749-7 net::ERR_FAILED

Access to XMLHttpRequest at 'http://t50.dslreports.com/front/0k?c=xtAEAdQD-1605373928439-22' from origin 'http://www.dslreports.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

GET http://t50.dslreports.com/front/0k?c=xtAEAdQD-1605373928439-22 net::ERR_FAILED

Access to XMLHttpRequest at 'http://t50.dslreports.com/front/0k?c=xtAEAdQD-1605373930065-35' from origin 'http://www.dslreports.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

GET http://t50.dslreports.com/front/0k?c=xtAEAdQD-1605373930065-35 net::ERR_FAILED

WebSocket connection to 'ws://t49.dslreports.com:8888/ping' failed: Error in connection establishment: net::ERR_CONNECTION_REFUSED

I was wondering if anyone has faced a similar issue before and knows how to resolve this.

Thank you.

It is indeed a problem that DSLReports is not maintained. First they lost the SSL certificates on their test servers, and now this. Do not use it.

A good alternative would be fast.com - they measure and show the loaded and unloaded latency, and the difference is exactly the bufferbloat value.

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You can also select known-working servers in the config. For me, they are: Zurich, Amsterdam and Dallas.

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