DataFirefly Blog — PrestaShop, WordPress & Shopware tips

404 audit on PrestaShop: which errors to fix first on a large catalogue

A 404 is not a problem in itself, it is the correct answer to a non-existent page. What matters is spotting the ones that had value: the redirect, restore or 410 matrix, and the three sorting criteria that cut three thousand rows down to a hundred.

19 September 2026 5 min read

PrestaShop Tutorials

Showing prices with or without VAT by customer group on PrestaShop

Showing a gross price to a tradesperson makes you look 20% more expensive than you are. The native per-group setting, what it does not cover, the four places where inconsistencies appear, and what matters more than display.

18 September 2026 4 min read

Conversion and UX

Letting customers pause their PrestaShop subscription

A customer going on holiday or sitting on three unopened boxes does not want to stop, they want to suspend. Without a pause option, they cancel. The four rules to define, the effect on billing, and the conditions for offering a pause without obstructing cancellation.

18 September 2026 5 min read

Conversion and UX

How to add HD zoom to PrestaShop product images without a theme plugin

No zoom feature can create detail absent from the file: source resolution often rules the project out before it starts. The three behaviours, the touch conflict that blocks scrolling, and deferred loading of the high-definition file.

17 September 2026 5 min read

Conversion and UX

How to display subcategories as image tiles on PrestaShop

On a top-level category, the visitor wants to know what the section contains: a list of text links answers that badly. Where to place the tiles by category level, how to choose the visuals, and the case of pages with no products of their own.

17 September 2026 4 min read

E-commerce SEO

AJAX faceted filters in PrestaShop: how to keep SEO clean

Six facets with eight values each produce more than a quarter of a million combinations per category. Which facets to open to indexing and on what criteria, the difference between canonical, noindex and robots blocking, and how to contain crawl at the source.

16 September 2026 7 min read

Conversion and UX

Seasonal sports equipment rental: configuring PrestaShop

Eight to twelve weeks often represent 80% of the activity. Modelling the fleet by size, the pack conditional on all its components being available, the data to collect at booking, and organising in-store collection.

16 September 2026 4 min read

Conversion and UX

How to add custom tabs to a PrestaShop product page

Collapsed content stays indexable if it is in the HTML, not if it is loaded on click: the point most implementations get wrong. Tabs or accordion, which tabs by product type, and in what order.

15 September 2026 4 min read

Conversion and UX

Category tree: how many levels on a PrestaShop store

The three-click rule has been heavily qualified: visitors give up when they feel they are not making progress, not on the third click. The right number of levels by catalogue size, and the criterion that settles category versus facet.

15 September 2026 4 min read

E-commerce SEO

PrestaShop breadcrumbs: how to add BreadcrumbList markup correctly

The path shown in search results does not come from your URL but from your markup. The expected structure, the case of products attached to several categories, and why the displayed trail and the marked-up trail can differ.

14 September 2026 4 min read

Conversion and UX

Showing only the images of the selected variant in PrestaShop

The image-to-combination association exists natively, but it does not decide how the gallery behaves: the theme does. The three possible behaviours, the fallback you cannot skip and the multiple-attribute trap.

14 September 2026 4 min read

Conversion and UX

Calculating a tiered daily rental rate on PrestaShop

A strictly proportional rate overcharges long durations and undercharges short ones, because the fixed cost is the same. How to build the tiers from the bottom up, which calculation method to use for in-between durations, and the message that lengthens rentals.

13 September 2026 5 min read

Articles