PrestaShop Tutorials – Datafirefly

Transactional email deliverability 2026: strict DMARC, BIMI and why your confirmations end up in spam

"We took a payment, the customer didn't receive the confirmation." The most frequent support ticket in 2026 is almost always a deliverability issue, not a bug. Since Gmail/Yahoo February 2024, strict DMARC and BIMI have become the new standard. The complete roadmap for an e-commerce store.

July 24, 2026 6 min read

E-commerce News

WCAG 2.2 and the European Accessibility Act: where PrestaShop compliance stands one year after enforcement

The European Accessibility Act took effect on 28 June 2025. One year later, most PrestaShop stores serving European customers are still non-compliant. Here is the actual legal framework, the penalties being applied across the EU, and the WCAG 2.2 audit checklist to reach compliance without rebuilding the theme.

July 16, 2026 7 min read

Conversion and UX

PrestaShop 8 internal search in 2026: why the native engine sabotages your sales (and how to measure the cost)

15 to 30% of visitors go through the search bar, with a purchase intent 2 to 5 times higher than average. And PrestaShop's native search doesn't serve them. Here's how to quantify the cost and what a well-built live search changes.

July 12, 2026 7 min read

E-commerce SEO

301 redirects, 404 monitoring and slug changes: the forgotten SEO mechanic after every PrestaShop migration

Without clean 301 handling, a PrestaShop migration loses 25 to 50% of SEO traffic in one quarter — without a visible incident. Here is the stack that secures redirects: automatic slug change, 404 monitoring, regex, chain flattening.

July 4, 2026 7 min read

Conversion and UX

Fashion e-commerce size guide: cut the return rate by 30% without breaking conversion

70% of fashion returns are size-related. A PNG in a tab does not move the needle. An interactive guide with calculator, dedicated SEO page and memory can cut the return rate by 8 to 15 points. Complete anatomy on PrestaShop.

June 26, 2026 7 min read

E-commerce News

Omnibus Directive in 2026: showing the reference price without sabotaging your promotions on PrestaShop

Four years after EU enforcement and one year after the UK DMCC Act came into force, the price-reference rules are the number-one target of e-commerce consumer-authority inspections. Here is the exact 30-day reference price rule, the pitfalls that kill promotions, and the correct mechanics on PrestaShop.

June 22, 2026 8 min read

E-commerce News

E-commerce Age Verification in 2026: CBD, Vape, Alcohol Compliance — Legal Obligation vs Entry Rate

Selling CBD, vape, or alcohol without an age gate in 2026 means playing with carrier and payment processor GTC. But a botched modal makes 25% of visitors flee. Here's the mechanism that works, sector by sector.

June 18, 2026 7 min read

Performance and Core Web Vitals

Core Web Vitals 2026: getting PrestaShop into the green (cache, Critical CSS, next-gen images)

LCP, INP, CLS: Core Web Vitals are direct ranking factors. Here is the complete optimization chain to get a PrestaShop store into the green in 2026 — full-page cache, Critical CSS, WebP/AVIF images and performant faceted search.

June 15, 2026 4 min read

Performance and Core Web Vitals

Why Your PrestaShop Database Weighs 8 GB in 2026: Audit, Cleanup and Ballast Table Retention Strategy

A PrestaShop store active for 5 years weighs 6 to 12 GB in DB, of which 80% are ballast tables never cleaned. We audit, map, define a retention policy — and automate. Without breaking the store.

June 14, 2026 8 min read

Conversion and UX

The best PrestaShop search module in 2026: why native search no longer cuts it

On a PrestaShop store, visitors who use search convert far more than the rest — provided they find. Native search lets them down. Here's what makes the best PrestaShop search module, and why live search with analytics changes the game.

June 13, 2026 5 min read

Conversion and UX

Web Push vs email: win back your visitors without a monthly subscription

98% of visitors leave without buying. Email and Web Push are the two channels to bring them back — but they don't play the same role. An honest comparison and a win-back stack with no monthly subscription, for PrestaShop and WooCommerce.

June 12, 2026 3 min read

Module Guides and Comparisons

Selling differently on PrestaShop: multi-vendor marketplace and B2B

Beyond classic B2C, PrestaShop can power more ambitious models: a multi-vendor marketplace and B2B selling. Here is when each model makes sense, what it requires technically, and how to assemble it without moving to Adobe Commerce.

June 11, 2026 3 min read

Category: PrestaShop Tutorials

PrestaShop 8 internal search in 2026: why the native engine sabotages your sales (and how to measure the cost)

301 redirects, 404 monitoring and slug changes: the forgotten SEO mechanic after every PrestaShop migration

Fashion e-commerce size guide: cut the return rate by 30% without breaking conversion

Omnibus Directive in 2026: showing the reference price without sabotaging your promotions on PrestaShop

Core Web Vitals 2026: getting PrestaShop into the green (cache, Critical CSS, next-gen images)

Why Your PrestaShop Database Weighs 8 GB in 2026: Audit, Cleanup and Ballast Table Retention Strategy

The best PrestaShop search module in 2026: why native search no longer cuts it

Web Push vs email: win back your visitors without a monthly subscription

Selling differently on PrestaShop: multi-vendor marketplace and B2B

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