On kronozio.com you need at least 100 cards for sale to get a home page with categories. Until then your cards will only show as search results.
Once you get past 100 wait one day and the next time we resfresh home pages you will get a home page with categories.
The more cards you have the more categories you get: If you have less than 200 cards can define one category. You get one more category when you reach 200 cards, 300 cards, 500 cards, 1000 cards and 2000 cards.