Home to speed up my website (opencart) for logged users?

My website Missionfamily.org is very fast due to Nitropack extension which provides various caching, compressing, minyfying and cdn options. But this is only for unlogged users. Unfortunately the same plugin does not do anything for logged in users when there are items in the cart, on the cart page etc. On those pages the html code is unminified, the js and CSS files are not unified or served compressed... Basically the site is very slow for logged users. Now the problem is this: due to cookie related conflicts no extension for opencart handles pages for logged users. W3tc for Wordpress works even in such scenarios so I do I don't know why there is nothing available for opencart that does anything like that.

Could anyone help suggest ways in which I can achieve the same speed improvements without running into any operational problems with the site's core exommerce functionality?

I am really desperate so any help would be highly appreciated
badwolfffAsked:
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Loganathan NatarajanLAMP DeveloperCommented:
I would recommend to go with Gtmetrix site suggestions.  GTmetrix suggestions are very helpful to see the results immediately.
badwolfffAuthor Commented:
Hi,

How can I? You are fogetting that my caching/speed problems occur ONLY when user is logged in. Gtmetrix can't test logged user state.

Any other suggestions?

thanks
lenamtlCommented:
Hi which Opencart version are you using?
Amazon Web Services

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badwolfffAuthor Commented:
Latest 2.0.3.1
badwolfffAuthor Commented:
No problem. I found the extension that does it
http://lightning.devs.mx/
It looks like there aren't many OpenCart experts here on this forum :(
I had to do a bit of a DIY myself

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badwolfffAuthor Commented:
Did it myself
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