website in accessible or down or slow

Dear Support

i have experience the issue from three days site non responding not available on some platform such as PageSpeed Insights and most of the time does not load
https://pasteboard.co/QHFSxdt7fsVo.png

https://pasteboard.co/JY3IB76KKcnX.png

even resource are not over loaded
https://pasteboard.co/88QoWB5NTkwl.png

i have disable most of the addon and problem still the same

please advise

The page I need help with: [log in to see the link]