Yan Souza's blogAI automation, WhatsApp Business, websites and privacy, with sources cited.https://yansouza.com.br/enApp or mobile website: choose around the task that must workhttps://yansouza.com.br/en/blog/app-or-mobile-website/https://yansouza.com.br/en/blog/app-or-mobile-website/Compare a responsive site, PWA and app through frequency of use, offline work, device features and maintenance before choosing the technology.Fri, 23 Oct 2026 00:00:00 GMTIntegrations and APIs: preventing duplicate orders and hidden failureshttps://yansouza.com.br/en/blog/integrations-without-duplicate-orders/https://yansouza.com.br/en/blog/integrations-without-duplicate-orders/What to ask for in an integration: data ownership, webhooks, idempotency, API limits, error handling and a safe way to retry failed operations.Fri, 23 Oct 2026 00:00:00 GMTReady-made or custom software: what to check before buildinghttps://yansouza.com.br/en/blog/ready-made-or-custom-system/https://yansouza.com.br/en/blog/ready-made-or-custom-system/Map workflows, permissions, integrations and data exports before choosing ready-made software, commissioning a system or building a SaaS product.Fri, 23 Oct 2026 00:00:00 GMTWebsite or landing page: what to build for your next campaignhttps://yansouza.com.br/en/blog/website-or-landing-page/https://yansouza.com.br/en/blog/website-or-landing-page/Choose a website or landing page around the customer's path: offer, traffic source, form, content and how your team checks incoming enquiries.Fri, 23 Oct 2026 00:00:00 GMTAI for small businesses: what 2026 data shows and where to starthttps://yansouza.com.br/en/blog/ai-for-small-business/https://yansouza.com.br/en/blog/ai-for-small-business/Almost everyone uses AI, few see it on the bottom line. What McKinsey's 2026 survey and Brazil's Sebrae data say, plus a roadmap for your first automation.Wed, 21 Oct 2026 00:00:00 GMTCore Web Vitals: what Google measures on your site and why it moves saleshttps://yansouza.com.br/en/blog/core-web-vitals/https://yansouza.com.br/en/blog/core-web-vitals/LCP, INP and CLS explained: the thresholds Google calls good, how to measure them and what a Rakuten A/B test showed about conversion.Wed, 21 Oct 2026 00:00:00 GMTBrazil's LGPD and your contact form: the minimum a business website needshttps://yansouza.com.br/en/blog/lgpd-contact-form/https://yansouza.com.br/en/blog/lgpd-contact-form/Brazil's LGPD and contact forms: which data to request, legal basis, data subject rights, rules for small businesses and possible fines.Wed, 21 Oct 2026 00:00:00 GMTWhatsApp Business API in 2026: pricing, what changed and where AI fitshttps://yansouza.com.br/en/blog/whatsapp-business-api-2026/https://yansouza.com.br/en/blog/whatsapp-business-api-2026/Per-message pricing, the 24-hour window, the end of free service messages on October 1, 2026, and Meta's rule on AI chatbots, including the Brazil exception.Wed, 21 Oct 2026 00:00:00 GMT