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Guide
Guias práticos e análises sobre Guide pra e-commerce brasileiro.
6 artigos
Alphanumeric CNPJ: The New CNPJ Format in 2026
From July 2026, new companies receive a CNPJ with letters and numbers. Understand what changes, why the alphanumeric format was created, how the structure and check digit work, and what to review in your systems before the switch.
How to Validate and Calculate the CNPJ Check Digit
The technical guide to the CNPJ check digit in the alphanumeric format: the modulo 11 algorithm, the character conversion table (ASCII − 48), a worked example step by step and ready-to-use JavaScript to validate numeric and alphanumeric numbers.
The Best Tools to Monitor Competitors in 2026 (An Honest Comparison)
No tool does it all — and whoever tells you otherwise is trying to sell you one. The straight comparison by goal, with prices, so you build the right stack with no waste.
What Is Competitive Intelligence: The Complete Guide for E-commerce in 2026
Definition, processes, tools and practical examples of competitive intelligence applied to e-commerce, marketing and pricing.
How to Spy on Competitors’ Ads (Meta Ads Library and Alternatives)
A practical tutorial to see any competitor’s active ads — Meta, TikTok, LinkedIn — and what to extract from each one.
How to Monitor Competitors in E-commerce in 2026 (Practical Guide)
What to watch, how often, and how to turn monitoring into a commercial decision.