Multiple full-resolution photos per vehicle make listing pages one of the most image-heavy, speed-vulnerable page types on the web.
Vehicle photos straight from a dealership camera are often far larger than needed for web display — proper compression can cut load time significantly with no visible quality loss to the buyer.
A listing with 30+ photos doesn't need to load all of them immediately — lazy-loading images as a visitor scrolls or clicks through a gallery keeps the initial page fast while photos remain available.
Without an automated process, image sizes tend to grow inconsistently across listings as different staff upload photos differently — a consistent optimisation step at upload prevents this drift.
Most vehicle browsing happens on mobile, often on inconsistent connections. A listing page acceptable on office wifi can be frustratingly slow on a buyer's phone — test under realistic mobile conditions specifically.
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