which plug-in is good to delete cache replace Autoptimize ?

thank you for replying above.

hi, I’ve come here to ask something.

I consider installing Autoptimize plug-in and Smush plug-in both.

can I use them ? I’m afraid of that I mistake again before:)

I appreciate replying me.

wow… the problem is settled clearly.
the cause of error is in Jetpack as you said.
I really appreciate that! thank you so much.
I wish your company flourish more !

the images in pages appear properly. but doesn’t in posts and main page.
so I’ve changed main page now for visitors

and there is another problem image index is very low.