Guides for e-commerce and marketing
Practical knowledge on marketplaces, product content, search engines and AI search. Every article names its sources and the date we last checked it.
How to create Amazon A+ Content: Basic and Premium, image sizes, rules and checklist (October 2026)
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Basic and Premium A+: who can use it, modules per page, image sizes, text limits, banned content, review times and rejection reasons, with a checklist.
AI search for online shops: how to become visible in ChatGPT, Gemini, Claude and Perplexity
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How AI search engines find sources, how to separate training and search in robots.txt, and what shops need technically and in content. With checklist.
Writing Google Ads copy: responsive search ads (RSA) in 2026, with limits, policies and a checklist
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Responsive search ads in 2026: character limits, pinning, Ad Strength, sitelinks, callouts, structured snippets and policies, with an example and checklist.
GPSR for online sellers: the mandatory information in every offer and how marketplaces collect it
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What Article 19 GPSR requires in every online offer, and how Amazon, eBay, OTTO and Kaufland collect manufacturer, EU responsible person and warnings.
Labelling AI images in e-commerce: what applies in 2026
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Article 50 of the AI Act, the Digital Omnibus, C2PA and IPTC, plus Google, Amazon, Zalando and Meta rules for AI product images, with a checklist.
Product content for ABOUT YOU: image requirements, product data and checklist
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3:4 image format, bust and model views, product name, attributes, material, EAN and sizes for the ABOUT YOU Marketplace, with a checklist.
Optimising eBay listings in 2026: titles, item specifics, photos, description and checklist
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Titles, item specifics, EAN, photos, description and GPSR: what eBay requires in 2026 and what affects search, with a checklist and sources.
Product data for the Kaufland marketplace: EAN, mandatory attributes, copy, images and checklist
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EAN matching, mandatory attributes, titles, descriptions, images, CSV or API upload, GPSR and rejection reasons on kaufland.de, with a checklist.
Content requirements for bol: titles, descriptions, images, EAN and language for sellers from DACH and France
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What bol in the Netherlands and Belgium requires for titles, descriptions, images, EAN and language, for sellers from DACH and France, with a checklist.
Writing product descriptions in bulk from Excel or CSV: file, Google rules, checks and re-import
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Bulk product copy from Excel or CSV: preparing the file, Google's rules on AI content, variants, quality checks and re-import into Shopify, Shopware and feeds.
Product content for Zalando and OTTO: requirements, differences and checklist
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Image sizes, article names, attributes, EAN and AI rules for Zalando and OTTO Market compared, with a checklist and the most common rejection reasons.