Röstwerk Matte: The home page runs a roast in time-lapse: the beans change colour, crack, and the visitor decides when to drop them.
Tripscha Digital built this website in 2026 for a coffee roastery in Bern. The notes below show what is on the first screen and why.
What is on the first screen is there for a reason.


Drum
The beans take their colour from the bean temperature; chaff flies after the yellowing point, smoke rises after first crack.
Curve
The roast curve with drying, Maillard and development, dotted the rate of rise per minute, as in the roaster's log.
Drop
Dropping the roast gives the roast level with its taste and the coffee from the range that is roasted that way.
What was missing, and what is there now.
Starting point
How light or dark a coffee is roasted shapes its taste more than its origin. In the shop the roaster explains it; online it was missing.
What we built
A drum window where the beans change colour along the roast curve, the curve with phases and rate of rise beside it, first crack to listen to, a roast card for each coffee and a brew calculator with scale and timer.
Result
After the drop the page names the coffee the roastery roasts that way and leads to its roast card and to the order form.
What visitors ask
Are you open right now? How much is it? Can I book a table? Do you have something for me (vegetarian, gluten-free)?
Röstwerk Matte at a glance.
Place and year
Bern, 2026.
Features
A roast in the drum window · Roast curve for each coffee · Brew calculator with scale and timer.
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