Build your pizzeria website in Huddersfield
Huddersfield fills with students in September and empties again in June, which inverts the normal restaurant trade and turns a university city into two different businesses run in the same kitchen. A site that changes its hours week by week is the only way to trade both halves truthfully.
Own the local search because the apps miss it
The suburbs where the regulars actually live—Almondbury, Lindley, Birkby—are not top searches on the delivery apps, because the students on Chapel Hill are higher volume. But those neighbours are the ones who order year-round, and they are searching for pizza on their own street before they search for Huddersfield as a whole.
A site that names Almondbury or Birkby in the title, spelled identically to your Google listing, is how someone looking for dinner in their own neighbourhood finds you before they find an app. And that is the customer you keep all year.
The mailing list is how you survive the summer collapse
Apps are designed for discovery. A student walking past for the first time opens Deliveroo and orders from whoever is nearest. That is fine. What you cannot do on Deliveroo is reach that same student in July when they are home for the holidays and remember where they ate in March.
Your own site and email list are the channel for that. Build it during term, keep it active in summer, and the customer you lose to graduation you get back when they visit home and want to order from the place they knew.