https://usualmatrix.com/en/blog/ Practical guides on Google SEO, GEO for AI search, online stores, app development, custom ERP, AI chatbots, knowledge bases (RAG) and AI training for teams. en https://usualmatrix.com/en/blog/spain-ecommerce-platforms-ranking/ https://usualmatrix.com/en/blog/spain-ecommerce-platforms-ranking/ Online marketplaces in Spain compared with official CNMC data: who can sell and fees on Amazon, TikTok Shop, Miravia and Temu, plus VAT, OSS and returns. Wed, 07 Oct 2026 14:00:00 GMT Marketplaces E-commerce Spain https://usualmatrix.com/en/blog/spain-food-delivery-platforms/ https://usualmatrix.com/en/blog/spain-food-delivery-platforms/ Glovo vs Uber Eats vs Just Eat for restaurants in Spain: official commissions, setup fees, contract terms, VAT on a sample order and your own online ordering. Wed, 07 Oct 2026 13:00:00 GMT Food delivery Restaurants Online ordering https://usualmatrix.com/en/blog/google-maps-business-profile-spain/ https://usualmatrix.com/en/blog/google-maps-business-profile-spain/ How to add your business to Google Maps in Spain: claim and verify your Google Business Profile, set name and categories, add photos and get reviews safely. Wed, 07 Oct 2026 12:00:00 GMT Local SEO Google Maps Spain https://usualmatrix.com/en/blog/spain-verifactu-e-invoice-guide/ https://usualmatrix.com/en/blog/spain-verifactu-e-invoice-guide/ Verifactu explained: deadlines (companies 1 Jan 2027, others 1 Jul 2027), the planned delay to October 2028, who is exempt, QR codes, fines and B2B e-invoicing. Wed, 07 Oct 2026 11:00:00 GMT Verifactu E-invoicing Spain https://usualmatrix.com/en/blog/spain-pos-system-verifactu/ https://usualmatrix.com/en/blog/spain-pos-system-verifactu/ How to choose a POS system in Spain: what Verifactu requires of a till, the 2027 deadlines and planned 2028 delay, and 8 features restaurants and shops need. Wed, 07 Oct 2026 10:00:00 GMT POS Verifactu Spain https://usualmatrix.com/en/blog/chatgpt-vs-claude-vs-gemini-for-business/ https://usualmatrix.com/en/blog/chatgpt-vs-claude-vs-gemini-for-business/ ChatGPT Business, Claude Team or Gemini in Google Workspace? Compare business plans, data training defaults, admin controls and GDPR checks, and how to choose. Sat, 03 Oct 2026 21:00:00 GMT AI AI training AI tools https://usualmatrix.com/en/blog/google-ads-vs-meta-ads-for-small-business/ https://usualmatrix.com/en/blog/google-ads-vs-meta-ads-for-small-business/ Google Ads or Meta (Facebook and Instagram) ads for a small business? Compare intent, targeting, how you pay, budget rules and tracking, and choose where to start. Sat, 03 Oct 2026 20:00:00 GMT Advertising Google Ads Meta ads https://usualmatrix.com/en/blog/wix-vs-wordpress-vs-custom-website/ https://usualmatrix.com/en/blog/wix-vs-wordpress-vs-custom-website/ Wix, WordPress or a custom-built website for your business? Compare cost structure, SEO, speed, flexibility and lock-in, and see which fits your budget. Sat, 03 Oct 2026 19:00:00 GMT Web design WordPress Website builders https://usualmatrix.com/en/blog/process-automation-for-small-business/ https://usualmatrix.com/en/blog/process-automation-for-small-business/ Excel macros, Zapier or Make, n8n, RPA or a custom tool? Compare how each works and how it's billed, and pick the right way to automate your first process. Sat, 03 Oct 2026 18:00:00 GMT Automation Small business Productivity https://usualmatrix.com/en/blog/whatsapp-ai-agent-for-business/ https://usualmatrix.com/en/blog/whatsapp-ai-agent-for-business/ Three ways to put an AI agent on WhatsApp for your business: Meta Business Agent, the WhatsApp Business Platform with a provider, or your own build with n8n. Sat, 03 Oct 2026 17:00:00 GMT WhatsApp AI agents Customer service https://usualmatrix.com/en/blog/shopify-vs-woocommerce-vs-custom-store/ https://usualmatrix.com/en/blog/shopify-vs-woocommerce-vs-custom-store/ Shopify, WooCommerce or a custom-built online store? Compare real costs, fees, hosting, payments by country and lock-in, and see which fits your business. Sat, 03 Oct 2026 16:00:00 GMT Ecommerce Online store Shopify https://usualmatrix.com/en/blog/what-is-an-mcp-server/ https://usualmatrix.com/en/blog/what-is-an-mcp-server/ What MCP and MCP servers are, how they differ from an API, what a business can connect with them, when to build a custom MCP server and how to keep it secure. Sat, 03 Oct 2026 14:00:00 GMT MCP AI agents AI integration https://usualmatrix.com/en/blog/n8n-vs-dify-vs-coze/ https://usualmatrix.com/en/blog/n8n-vs-dify-vs-coze/ n8n, Dify or Coze? Compare what each is built for, hosting, licenses, knowledge bases, integrations and MCP, and see when to combine them or use custom code. Sat, 03 Oct 2026 12:00:00 GMT AI agents Automation AI tools https://usualmatrix.com/en/blog/ai-agents-for-small-business/ https://usualmatrix.com/en/blog/ai-agents-for-small-business/ What AI agents can do for a small business: real use cases, how they differ from chatbots, tools such as n8n, Dify and Coze, risks, costs and how to start. Sat, 03 Oct 2026 10:00:00 GMT AI AI agents Automation https://usualmatrix.com/en/blog/ai-chatbot-for-customer-service/ https://usualmatrix.com/en/blog/ai-chatbot-for-customer-service/ How to build an AI chatbot for customer service on your website, WhatsApp or WeChat: knowledge base, platforms, human handoff, costs, compliance and mistakes. Thu, 01 Oct 2026 11:00:00 GMT AI Customer service WhatsApp https://usualmatrix.com/en/blog/how-to-build-an-ai-knowledge-base/ https://usualmatrix.com/en/blog/how-to-build-an-ai-knowledge-base/ How to build an AI knowledge base with RAG: how it differs from ChatGPT and fine-tuning, six build steps, platform vs custom vs self-hosted, costs and security. Thu, 01 Oct 2026 10:00:00 GMT AI RAG Knowledge base https://usualmatrix.com/en/blog/openclaw-setup-guide/ https://usualmatrix.com/en/blog/openclaw-setup-guide/ What is OpenClaw and how should you set it up? Compare a laptop, a VPS and one-click hosting, choose models and chat apps, lock down security and plan costs. Thu, 01 Oct 2026 09:00:00 GMT OpenClaw AI agents AI security https://usualmatrix.com/en/blog/eu-ai-act-ai-literacy/ https://usualmatrix.com/en/blog/eu-ai-act-ai-literacy/ Is AI training mandatory under the EU AI Act? What Article 4 on AI literacy requires after the 2026 Omnibus, who it covers, fines, and a simple plan for SMEs. Tue, 29 Sep 2026 15:00:00 GMT AI EU AI Act Training https://usualmatrix.com/en/blog/ai-training-for-teams/ https://usualmatrix.com/en/blog/ai-training-for-teams/ How to train your team to use ChatGPT, Claude and other AI assistants: role-based tasks, prompting basics, a simple AI policy, tool choice, MCP and adoption. Tue, 29 Sep 2026 12:00:00 GMT AI Training ChatGPT https://usualmatrix.com/en/blog/custom-erp-vs-off-the-shelf/ https://usualmatrix.com/en/blog/custom-erp-vs-off-the-shelf/ Custom ERP and CRM or off-the-shelf SaaS? Signs you've outgrown spreadsheets, six decision criteria, the hybrid route, MVP scoping, data migration and partners. Tue, 29 Sep 2026 12:00:00 GMT ERP Custom software SaaS https://usualmatrix.com/en/blog/how-to-develop-an-app/ https://usualmatrix.com/en/blog/how-to-develop-an-app/ How to develop a mobile app step by step: define the MVP, choose native or cross-platform, prototype, build the backend, pass store review and plan upkeep. Tue, 29 Sep 2026 12:00:00 GMT App development MVP Mobile apps https://usualmatrix.com/en/blog/google-seo-guide/ https://usualmatrix.com/en/blog/google-seo-guide/ A practical Google SEO guide for businesses in Spain: keyword research in Spanish, Google Business Profile, technical basics, content and measuring results. Tue, 29 Sep 2026 00:00:00 GMT SEO Google Local SEO https://usualmatrix.com/en/blog/online-store-vs-marketplace/ https://usualmatrix.com/en/blog/online-store-vs-marketplace/ Your own online store or marketplaces like Amazon.es, Miravia and AliExpress? Compare traffic, control, costs, customer data and a hybrid path to sell in Spain. Tue, 29 Sep 2026 00:00:00 GMT E-commerce Online store Marketplaces https://usualmatrix.com/en/blog/spain-website-legal-checklist/ https://usualmatrix.com/en/blog/spain-website-legal-checklist/ A legal checklist for business websites in Spain: LSSI-CE legal notice, GDPR and LOPDGDD privacy policy, cookie consent, contact forms and online store rules. Tue, 29 Sep 2026 00:00:00 GMT Compliance GDPR Cookies https://usualmatrix.com/en/blog/what-is-geo/ https://usualmatrix.com/en/blog/what-is-geo/ What is GEO (generative engine optimization)? How ChatGPT, Gemini, Perplexity and Google AI Overviews choose sources, and practical steps to get recommended. Tue, 29 Sep 2026 00:00:00 GMT GEO AI search SEO