Please Advise me about SEO

hii everyone
can anyone please advise me how do i improve my seo of my opencart store
and also tell me which extention is best for seo.
there are many extentions like regular and pro or plus and too many confusion which one to use expensive or cheap
because both have 5 star ratings and i dont know which one will be best for me please suggest me a SEO extentions and also advise me how can i improve my seo ranking

You possibly will not be satisfied with my reply, but this is no Consumer Forum,
and it would not be a great idea, to qualify Other's Work, thereby depending on
One's own Qualification, Installation, Setup, Mod's used, Server Setup, Server Quality,
and, and, and...

But you will find uncounted Masses of Information, by searching for this on Google,
to possibly find out, what meet's your (sure) individual Requirements best.

Good Luck
Ernie
hitline.info/shop/