BudOpt — wholesale building materials

The task: wholesale of building materials in Kyiv — a catalog of thousands of items, wholesale prices by customer level, calculation by pallets and volume, quick re-ordering for regular customers. The main requirement is the speed of the catalog with a large assortment. Solution: Store on OpenCart. Payment via WayForPay, non-cash payment on account and cash; delivery by Nova Poshta and self-pickup. Connected GTM, GA4 and Google Ads remarketing with product viewing events (view_item_list), two language versions uk/ru, communication via Telegram and Viber. The result (measured on 07/31/2026): 3,145 products in the catalog — the number was calculated page by page through OpenCart search (32 pages with 100 items); first server response — 547 ms, full HTML — 686 ms at a weight of 212 KB; product viewing events actually go to Google Ads and GA4.