DataFirefly Blog — PrestaShop, WordPress & Shopware tips

Removing inline styles from hundreds of PrestaShop product pages without breaking the layout

Everything looks fine on desktop while the mobile rendering degrades. The seven-step procedure, from prior measurement to final check, and the four situations that go wrong with their fix.

1 October 2026 6 min read

Performance and Core Web Vitals

Slow PrestaShop faceted filters: diagnosis and leads

A filtered category page executing three hundred queries has a design problem, not a server power problem. How to measure before assuming, read an execution plan, and why functional decisions often have more effect than technical optimisation.

30 September 2026 6 min read

Conversion and UX

Mining your customers’ internal searches for long-tail keywords

A term typed fifty times by a qualified audience is worth more than a thousand-search keyword of which you capture nothing. How to extract and classify this data, turn it into a content plan, and tell real catalog gaps from engine defects.

30 September 2026 5 min read

PrestaShop Tutorials

How to duplicate a complete category to another PrestaShop store?

A product associated with a second store without its categories existing there becomes an orphan. Share or duplicate, the seven elements to copy, the trap of duplicate references and the three causes of invisible products after duplication.

29 September 2026 5 min read

E-commerce SEO

Duplicate content between PrestaShop combinations

Fifteen variants share the same description: that is normal. The question is deciding what deserves to exist as an independent page. The criterion that decides, the real cost of splitting, and how to differentiate without writing thirty texts.

29 September 2026 5 min read

E-commerce News

French e-reporting on PrestaShop: which e-commerce data to prepare for electronic invoicing?

For a store selling to consumers, e-reporting under the French reform weighs the most, and it is the least discussed. The data to prepare, the frequent gaps with current exports, and why the first three quarters of work are not technical.

28 September 2026 6 min read

Conversion and UX

Security deposits on a PrestaShop rental

Blocking 800 euros on a customer's card for a 60-euro rental demands a trust they do not yet have. The three mechanisms and what they are worth depending on duration, the amount formula, and what makes a retention defensible.

28 September 2026 6 min read

Conversion and UX

Why the native PrestaShop checkout loses customers on mobile

The native funnel was designed for a wide screen and keeps choices that cost orders at every step. The screen-by-screen analysis, the three most profitable fixes, and the ten-minute diagnostic method.

27 September 2026 6 min read

Conversion and UX

Rounding to .90, .95 or .99: automating psychological prices per currency on PrestaShop

A converted price with three apparent decimals signals to the customer that they are buying on a poorly prepared foreign site. Conventions are not universal, rounding costs or gains margin, and four situations produce aberrations.

27 September 2026 6 min read

AEO and Answer Engines

Product FAQ and structured data on PrestaShop

Do not build your FAQ to get a rich result: Google has heavily restricted it. The right reason remains answering the questions that block the purchase, with questions drawn from your real exchanges and correctly placed markup.

26 September 2026 6 min read

Conversion and UX

Creating dynamic colour, size and price filters on PrestaShop without reloading the page

A filter filled in on thirty products out of two hundred produces misleading selections. The three criteria for keeping an attribute, the performance bottlenecks on a large catalogue, and the five rules of the mobile panel.

26 September 2026 6 min read

Conversion and UX

Sending an alert when a new product matches a PrestaShop customer’s criteria

Between a saved search and a product going live, you need a mechanism that matches, decides and sends. When to evaluate matches, what actually counts as new, the four sending rules and deliverability.

25 September 2026 6 min read

Articles