# digitalsprung GmbH > Transform your online store into a revenue machine. Custom solutions, seamless integrations, visible results. Shopify Partner & Meta Business Partner. Markdown versions of published pages. Each document links to its original HTML page. ## Company and services - [digitalsprung | Shopify Agency & E-Commerce Marketing](https://digitalsprung.de/en/index.md): Transform your online store into a revenue machine. Custom solutions, seamless integrations, visible results. Shopify Partner & Meta Business Partner. ## Articles - [The Wrong B2B Platform Costs More Than You Think — A TCO Framework for Decision-Makers](https://digitalsprung.de/en/blog/b2b-platform-tco-framework-decision-makers.md): The wrong B2B platform can cost 2–3x the initial price over three years. Our TCO framework breaks down all 6 cost blocks — including opportunity costs and a scoring model to guide your platform decision. - [Domain Migration Without the Risk: The Complete Guide for Online Store Owners (2026)](https://digitalsprung.de/en/blog/domain-migration-guide-without-losing-rankings.md): How to migrate your domain without losing SEO rankings — step-by-step for Shopify & WooCommerce store owners. AuthCode, TTL, SSL, webhooks, and what competitors miss. - [How to Connect Shopify to Amazon: Marketplace Connect, FBA, MCF, and EU Compliance for European Sellers](https://digitalsprung.de/en/blog/how-to-connect-shopify-to-amazon.md): Connect Shopify to Amazon with Marketplace Connect, choose FBA, FBM, or MCF, and meet EU rules like GPSR, LUCID, and OSS. Includes a margin calculator, decision tool, and cost comparison. - [How to Sell Digital Products on Shopify: The Practical Guide for Store Owners](https://digitalsprung.de/en/blog/how-to-sell-digital-products-on-shopify.md): How to sell digital products on Shopify: app comparison, US sales tax nexus for digital goods, EU VAT for non-EU sellers, hybrid product models, and realistic piracy protection, with a calculator. - [Newsletter Tools Compared 2026: The Best Providers for Online Stores](https://digitalsprung.de/en/blog/newsletter-tools-comparison.md): Newsletter tools compared for 2026: Klaviyo, Brevo, Omnisend, and more for online stores. Pricing, GDPR, AI features, and a migration guide for Shopify and beyond. - [SAP and Shopify Integration: The Complete Guide for Mid-Market Companies](https://digitalsprung.de/en/blog/sap-and-shopify-integration.md): SAP and Shopify integration: which approach fits your SAP landscape? BTP, middleware, or custom API — with decision matrix, TCO breakdown, and Shopify Plus B2B. - [SEA Campaigns for Online Stores: The Complete Guide 2026](https://digitalsprung.de/en/blog/sea-campaigns-complete-guide-online-stores.md): How to set up SEA campaigns that actually work: Google Ads, Performance Max & AI Max explained. Includes budget guide, Shopify strategy, error checklist & real KPI benchmarks for e-commerce. - [Shopify Favicon: Size, Format, and Fixing Google Visibility](https://digitalsprung.de/en/blog/shopify-favicon-guide.md): Shopify favicon setup: the right size, PNG vs. ICO, Google's search requirements, and the fix for Checkout & Customer Accounts. Includes a free favicon checker. - [Shopify Free Trial: How the Trial Period Works (2026)](https://digitalsprung.de/en/blog/shopify-free-trial.md): Shopify free trial explained: 3 days free + 3 months for $1/month = 93 days for $3. What's included, what isn't, a 72-hour action plan, and honest cost breakdown for new store owners. - [Shopify Page Speed: Core Web Vitals, App Audits, and the Truth About Shopify Performance](https://digitalsprung.de/en/blog/shopify-page-speed-core-web-vitals-guide.md): Shopify page speed guide: Core Web Vitals (LCP, INP, CLS) explained for 2026, an app-audit framework, Shopify's report vs. real field data, and a calculator for the revenue impact. - [Shopify Trust Signals: The Complete Guide to More Confidence and More Conversions (2026)](https://digitalsprung.de/en/blog/shopify-trust-signals-complete-guide.md): How to use Shopify trust signals strategically: Trust Pyramid framework, German trust seal comparison, placement guide with conversion data, DACH-specific buyer psychology, and a 30-point downloadable trust audit. - [Shopify URL Redirects: How to Set Up 301 Redirects, Import Them via CSV, and Fix What Breaks](https://digitalsprung.de/en/blog/shopify-url-redirects-guide.md): How to set up Shopify URL redirects one by one, via CSV import, or automatically. Covers every limitation (reserved paths, markets, query parameters) plus a CSV checker and troubleshooting tool.