- Task
- Sell equipment and spare parts in one catalog: deep nesting for spare parts, filters by power and engine type, balances from the accounting system, checkout for retail and VAT company.
- Solution
- OpenCart 3.x under nginx with HTTP/2, parts catalog up to four levels deep. Eight payment methods — from LiqPay to cashless payment with VAT — and four delivery options, including pickup.
- Result
- Commodity sub-maps have been verified in fact: 18 files of 3,000 addresses plus 1,321 — a total of 55,321 commodity addresses, 3,868 more category addresses, a total of 59,189. With this volume, the first server response is 840.5 ms, full HTML download 997.4 ms with a weight of 454.5 KB — the slowest result of the sample. At the same time, the markup is the richest: six types of JSON-LD. Measured on 07/31/2026.