WooCommerce Optimization — from 15 seconds to 2 seconds
Industry: Auto parts
The situation
An online auto parts store running on WooCommerce needed performance optimization. Product pages loaded very slowly. Additionally, the client wanted to let customers view certain products in 360°.
The problem — 10-15 seconds to load a single product
Product pages took 10-15 seconds to load. With that kind of load time, most visitors simply give up and go to a competitor. Separately, there was no way to present products beyond standard photos.
What I did
I started with a performance analysis. It turned out the problem was in the database queries — they were inefficient and created unnecessary load on every product page visit. The main issue was queries that pulled data for all variants and related products on every page load, even those not visible to the customer. After restructuring, each query only fetches what's actually displayed. I also added indexes on columns that WooCommerce filters by. Finally, I implemented a caching layer. Load time dropped from 10-15 seconds to 1-2 seconds. Then I built a plugin for 360° product viewing. The product rotates around its vertical axis (Y-axis), and the customer can stop it, rotate it with a mouse or finger on mobile. The solution is lightweight — it doesn't add extra load to the page.
Result
Product loading time dropped by over 85%. Customers can view selected products from all angles, which matters a lot for auto parts — buyers want to see the shape, mounting points, dimensions. The store saw a noticeable increase in time spent on product pages.
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