Trends, tips and insights from Click Star experts.
Compares Zapier, Make and n8n by billing unit, n8n license, self-hosting or cloud, error handling, webhooks and permissions, based on official pricing pages and documentation read on October 22, 2026.
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This article covers 6 customer data quality dimensions, phone and email normalization, deduplication and metrics with formulas, based on GOV.UK, Decision 798/QD-BTTTT, OWASP, Splink and PostgreSQL.
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How to build a lead scale with fit, engagement, negative points and decay, set the handover threshold for sales and validate it against real outcomes, based on HubSpot, Salesforce and Microsoft documentation.
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Meta recommends sending events through both the Pixel and the Conversions API. This article explains deduplication with event_id, SHA-256 hashing, delay, deployment options and consent, based on Meta's documentation.
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A checklist of 6 groups of website security measures based on OWASP, MDN, Let's Encrypt, CISA and the NCSC: HTTPS, security headers, updates, accounts, rate limiting, backups and monitoring, with 5 response steps.
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The article compares consent rules in Law 91/2025/QH15, Decree 356/2025/NĐ-CP, EU guidance and Google Consent Mode, and states where no cookie-specific guidance was found.
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A 7-group technical checklist before a website launch, based on Google Search Central documentation: how to verify with official tools and the 24-hour, 7-day and 30-day checks. No ranking guarantee.
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When not to build custom software, the 6-stage process, 3 contract models, source code ownership and a 3-year total cost formula. Based on the 2020 Scrum Guide, DORA, McKinsey and Oxford, ISO/IEC 25010 and OWASP ASVS.
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The article explains what a business should do to record and analyze calls lawfully and keep customer trust, based on provisions read in Law 91/2025/QH15, Decree 356/2025/ND-CP and related laws. It adds a Click Star practice framework and a section on what is not known.
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A 5-gate governance framework for bringing AI into a business: data classification, tool choice, permissions, output reviewers and incident handling. Based on NIST, OWASP, 4 providers' official pages and Vietnamese law read through reprints.
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The article explains each Meta Ads Manager metric by Meta's own definitions, the 2025 to 2026 counting changes, and a 5-step process for telling pretty numbers from business results.
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The article splits website cost into 9 one-time and 8 recurring items, gives a 3-year TCO formula and shows how to write a brief for comparable quotes. Based on public pricing pages and official documents.
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A guide to building a sales call scorecard: sampling, criteria groups, weights, critical fails, calibration with kappa and how to test usefulness, based on Amazon Connect and Google Cloud documentation and published research.
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What an SEO and advertising quote must contain, the risks of each fee model and what to ask before signing. Based on Google and Meta documentation and Vietnam's Advertising Law, checked to October 21, 2026, with a disclosure of Click Star's conflict of interest.
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The article sets out a 1-page, 6-block report frame, how to lock numbers around data delay, and how to choose a source when GA4, ad platforms and the CRM disagree, based on Google, Microsoft, Tableau and Nielsen Norman Group documentation.
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What a webhook is, how it differs from polling an API, and how to verify signatures, return 2xx fast, handle retries, de-duplicate and reconcile, based on Meta, Zalo, Stripe and GitHub documentation.
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What RPO and RTO mean, how the 3-2-1 rule applies and how to test restores. Based on NIST, CISA, PostgreSQL and Supabase documentation, checked to October 21, 2026.
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RAG lets AI look up company documents before answering. The article covers the 6 steps, comparison with fine-tuning and long context, 5 causes of wrong answers, cost formulas, permissions and evaluation, based on OpenAI, Anthropic, Microsoft and OWASP documentation.
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This article explains direct and indirect prompt injection per OWASP and NIST, published incidents, 6 layers of defense and how to test, based on documents from OWASP, NIST, the NCSC, Anthropic, OpenAI and Google.
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How OTP and SMS fall short against phishing, how passkeys work, and how RLS in PostgreSQL and Supabase keeps each person's data separate, based on NIST, W3C, FIDO and official documentation.
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A comparison of Next.js and WordPress on 7 checkable criteria, based on the Web Almanac 2025, Patchstack's report and official documentation, with a decision matrix and migration plan.
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What MCP consists of, how it differs from an API and function calling, which risks the official documents name and how a Vietnamese business should start, based on specification 2026-07-28.
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Embeddings, similarity measures, HNSW and IVFFlat indexes, hybrid search, pgvector versus dedicated services and costs, based on official documentation.
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What open-weight models are, how much memory local running needs, how to cost it against API prices, the security risks and when a hybrid fits, based on official documentation.
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