site loading very slow

[Moderator Note: Topic title amended. Your problem is no more urgent than anyone else’s.]

Hi,
This is my site https://www.eternal-joy.com and 2 days ago the site was working fine and quick. Then I have added WP scroll down plugin and it slowed it down to the point that it took 3 minutes to load certain pages. So I deleted the plugin and everything seemed fine. Then I have tried another one, but same thing so I erased it too. But the slow loading remained.
Please advice. It looks to me like the background slider is loading slow. I tryed to turn it off, but even so the site loaded slowly.
Please help. Thank you