Everything you'd want to know before you install.
A detailed look at how Product Comparison Module for PrestaShop 8/9 works, why we built it the way we did, and the thinking behind the features above.
The comparison that truly helps decide
The customer adds the products they are interested in to their comparison from the product page or directly in listings, then opens a dedicated page that lines them up in columns. The header and first column stay frozen while scrolling so the context is never lost, even with a long feature table.
Best price and differences brought forward
The lowest-priced column is automatically highlighted with a dedicated badge. A "show differences only" toggle hides rows whose values are identical across all products, leaving only what truly distinguishes the items and speeding up the decision.
Present everywhere, without disrupting the journey
The "Compare" buttons are added automatically on the product page and in listings, and re-injected after every Ajax filtering. A floating bar with thumbnails accompanies the shopper across the whole store, and each comparison produces a shareable URL to send or find again.
Built for PrestaShop 8 and 9
No-Composer, no-framework architecture, manual PSR-4 autoloader and a classic front controller for seamless PrestaShop 8 and 9 compatibility, single store or multistore, across the catalogue's five languages.
Fast, self-contained and theme-friendly
The comparator is written in vanilla JavaScript, with no jQuery or external dependency. The selection is kept by browser token with a localStorage mirror for instant rendering, and merged across devices for logged-in customers. The design is self-contained, independent from your theme and responsive.
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