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October 4, 2026

13 min read

Cloudflare's Free plan serves Mexico from Dallas: I measured it from 20 probes

Hosting Performance DNS DevOps Mexico

Typographic cover: "Cloudflare Free" and a two-line diff where colo=DFW at 32 ms is replaced by colo=QRO at 7 ms, measured from 20 probes in Mexico

September 24, 2026

10 min read

EU AI Act Article 50 for Developers: What You Actually Have to Label, and How (Tested C2PA and IPTC Commands)

AI AI Act C2PA Legal Images

Typographic cover: C2PA above a diff, in red gd → imagejpeg with no manifest and in green c2patool -m ai.json with a valid signature

September 24, 2026

18 min read

OWASP Top 10 for LLMs 2026 and the Agentic Top 10, with Code (and What I Actually Run in Production)

Security AI OWASP Agents MCP Laravel

Typographic cover: the word OWASP above a 2025 → 2026 diff, - LLM06 excessive agency in red and + LLM03 excessive agency in green

September 24, 2026

11 min read

RFC, CURP, CLABE and NSS: the Mexican ID Validation Algorithms, Explained with Worked Examples

Mexico Validation TypeScript Algorithms Fintech

Typographic cover: the word RFC above a diff, GODE561231GR with a missing check digit in red and GODE561231GR8 in green, and the sum 1026 mod 11 = 3, 11 − 3 = 8

September 21, 2026

11 min read

Meta Banned General-Purpose AI Chatbots on WhatsApp: What It Means for Your Business (and What It Doesn't)

WhatsApp AI Chatbots Small Business Meta

A phone showing a chat conversation on the counter of a small shop, next to a bell and an order notebook, while a small generic robot waits behind a velvet rope

September 21, 2026

15 min read

Why Online Stores Crash During Mexico's Buen Fin (and How to Prevent It): The 2026 Technical Guide

Buen Fin E-commerce WooCommerce Hosting Payments Mexico

A queue of miniature shopping carts piles up in front of a funnel next to a laptop showing an online store, and a server whose gauge needle is in the red

September 21, 2026

14 min read

Laravel Octane + FrankenPHP: What Actually Breaks (I Reproduced Every Leak)

Laravel Octane FrankenPHP PHP Performance Migration

Typographic cover: the word Octane above a diff labelled laravel 13, - server: php-fpm in red and + server: frankenphp (worker) in green

September 21, 2026

14 min read

OpenAI Shuts Down GPT-4, o1 and o3-mini on October 23: What Breaks in Your Code (It's Not Just the Model Name)

OpenAI AI API Python JavaScript Migration

Typographic cover: the word OpenAI above a diff dated 2026-10-23, - model: 'gpt-4-turbo' in red and + model: 'gpt-5.6-sol' in green

September 13, 2026

18 min read

Chrome Removes XSLT: What Breaks in Sitemaps, Feeds and CFDI Invoice Tools

Chrome XSLT XML CFDI SEO Migration

Typographic cover on a dark green grid: Chrome 158 in large serif letters and a two-line diff removing XSLTProcessor

September 13, 2026

18 min read

Portainer 3.0 Is Kubernetes-First: What Changes If You Run Docker (and Which Alternative to Pick)

Docker DevOps Containers Infrastructure Migration

Typographic cover on a terminal background: "Portainer 3.0" above a two-line diff, "- portainer 2.45 LTS" in red and "+ portainer 3.0 STS" in green, under the note "community edition: no 3.x build"

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