Writing

Technical analysis, data stories, and personal essays from IPinfo, the Cloudflare Blog, Substack, Medium. The archive also includes selected earlier journalism from Portuguese newspapers, magazines, and television.

Search the writing archive

217 articles in this selection

2026

PHP2Shell: universidades, câmaras e Estado com servidores em versões (ainda) sem correçãoNewspapers

Journalism archiveNewspapersOct 2026

Two weeks of earthquakes, Internet routes and fridges

SubstackOct 2026

RPKI Now Protects 70% of Internet Routes, Up From 54% a Year Ago

IPinfoOct 2026

The United States of Walmart, According to WiFi Data

IPinfoSep 2026

Back to the Gulbenkian Art Library, 26 Years Later

SubstackJul 2026

How I set up my own email domain without paying for Google Workspace

SubstackJun 2026

A Marinharia dos Descobrimentos: technology, method, and a hunger to know

SubstackJun 2026

A week that said a lot about where AI is going (and who controls it)

SubstackJun 2026

Anyone can build it now. Then what?

SubstackJun 2026

(PT) Disclosure Day — No Fundo, É Sobre Nós

SubstackJun 2026

Disclosure Day. A Film About Aliens That's Really About Us

SubstackJun 2026

What I Learned Analyzing 1,248 Players at the 2026 World Cup

SubstackJun 2026

I Almost Didn't Watch It (Marty, Life is Short)

SubstackJun 2026

Iran: The Internet Is Back, but Something Has Changed

SubstackJun 2026

Creating got easier. Meaning got harder

SubstackMay 2026

Why Birth Rates Are Falling (Almost) Everywhere at Once

SubstackMay 2026

Humans Are Still the Point

SubstackMay 2026

The Human Side of Technology

SubstackMay 2026

Shakespeare, Stratford, and Why We Still Recognise Ourselves

SubstackMay 2026

Building the Web, (a lot) faster — with OpenCode, GPT-5.4, and Claude

SubstackApr 2026

Quem diria que um dia

SubstackApr 2026

A manosfera, os seus falsos profetas e as contradições que o documentário de Louis Theroux expõe

SubstackMar 2026

The Anthropic vs OpenAI war: why OpenAI might actually be right

SubstackMar 2026

2025

ChatGPT's rivals, Kwai's quiet rise: the top Internet services of 2025

CloudflareDec 2025

The crawl-to-click gap: Cloudflare data on AI bots, training, and referrals

CloudflareAug 2025

How a volunteer-run wildfire site in Portugal stayed online during DDoS attacks

CloudflareAug 2025

A Vida Luminosa (Deus Morreu e Eu Não Fui ao Funeral)

SubstackAug 2025

Do Técnico para o Mundo (e porque é preciso guardar histórias)

SubstackAug 2025

From Googlebot to GPTBot: who's crawling your site in 2025

CloudflareJul 2025

Chaos in Cloudflare's Lisbon office: securing the Internet with wave motion

CloudflareMar 2025

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From the Cloudflare Blog

Most popular

A selected list of popular Cloudflare Blog writing, including Offline Celebrations, Total Eclipse of the Internet and Typo Traps.

Offline celebrations: how Christmas, NYE, and Lunar New Year festivities shape online behavior

CloudflareFeb 2025

Total eclipse of the Internet: traffic impacts in Mexico, the US, and Canada

CloudflareApr 2024

Typo traps: analyzing traffic to exmaple.com (or is it example.com?)

CloudflareSep 2023

The crawl-to-click gap: Cloudflare data on AI bots, training, and referrals

CloudflareAug 2025

From Googlebot to GPTBot: who's crawling your site in 2025

CloudflareJul 2025

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Journalism

Earlier journalism work — features, reviews, interviews, and reporting — was published across Portuguese media: on television at SIC (TV shows Volante and TV Turbo), and in print and digital outlets including Público, Destak, Expresso, Observador, Dinheiro Vivo, Jornal de Negócios, and magazines such as Notícias Magazine, DN Insider, and Must, among others.