If you are serious about your business, the answer is unequivocally "yes"! In the globally connected world of today, having an internet presence is more of a question of "when" than "why."
Many small businesses, particularly new ones, operate on a low budget. Spending money is only done when absolutely necessary, since they prioritize the urgent and necessary. So, it is understandable that some business owners may believe a website is a luxury tool they can do without.
In Japan, finding Halal products has become easier in recent years, but not all of everyday essential products.
Also, if you are not living near a Halal shop, not only you are going to spend a considerable amount of time, but also pay for transportation every time you need to buy something.
Having free time for shopping and transportation cost, are not the only obstacles that Muslims living in Japan have; especially newcomers may spend hours in supermarkets reading foods’ labels to make sure they do not contain Haram ingredients.