When you go to another opencart page, goods from the basket disappear. What to do?

Question

opencart

Good afternoon, on the site https://itdom-sm.ru/ when adding goods to the cart, everything is OK, but when you start to "walk" around the site, somewhere it shows 0 in the basket, somewhere 1, somewhere all the goods. Tell me which way to look?

Answer 1

Nothing is lost
Just sent, the browser caches the response
The problem is related to transferring sessions to the database
Solution - posted on opencartforum

Answer 2

Look in the direction of cookies, somewhere the system catches them, somewhere not.