Re: Slow x-cart cart page
Hmmm... 5.3.x branch requires PHP 5.4 at least.
As for the optimization - I wouldn't recommend applying any changes as almost every script in X-Cart 5 is straightly coonected to all the others.
The best way to optimze your website performance is to upgrade to PHP 7.2 at least and work with some PHP extensions
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X-Cart Team
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