
Improvement of the filter and sorting function
When searching for different products, I noticed some brands that I don't want to buy for various reasons. If I want to filter accordingly, it's relatively tedious because I then have to select all the brands except the ones I don't want to see. The problem could be easily solved by adding a "Select all" button or link - then you could easily deselect the brands you don't want to see in the results list. This would be extremely practical not only for brands, but also for other search criteria. It would also be excellent if you could sort not only by price, but also by "price per unit". The information is there and is also displayed, so this sorting should be feasible.
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