Poor poll optimization surveys or bug

Hello anyone!

Last month i start doing SEO work at my website, and I read that “Load Time” of a website is a important point.
I dont know if it is the best tool, but to check I find


And the results are correct:

but i find a problem with polls:

On my website witn discourse forum I have the same problem.

Do you have any explanation/feedback about it? Its on developement?

this is long polling, see: How discourse stays online (Message Bus, Faye, Long Polling)