Images are huge and scaled down to fit the circular icons... Why not serve up an appropriately sized optimized image? This image you use is close to 4MB:

https://magarshak.com/me/community.png

Wouldn't expect this from someone with web dev experience.

Also If I'm designing/developing a website now, I always build with the expectation it will be viewed on mobile. This website is not optimized for mobile users.

Hope my comments are helpful!