🔥 45% OFF What if you didn’t need that framework? My new book “Vanilla Web” is @manning.com Deal of the Day. Modern standards. Fewer dependencies. More control. And a smaller, cleaner surface that works better with AI agents. Early access edition 👇 www.manning.com/dotd?utm_cam...

🔴 NEW BOOK 🔴 I’m writing a new book and the early access version (MEAP) is already available with @manning.com. 👉 50% off for a limited time Includes continuous updates and the final version (print or ebook). This is my 15th book 🙂 Link: hubs.la/Q03_tWSb0

Which feature in Safari 26.2 is your favorite?? I always try to imagine the answer while writing… will they be more excited about command/commandfor or field-sizing? Are the HTML improvements the headline? Or CSS/SVG/JS…? Then I’m curious, what do you really think? webkit.org/blog/17640/w...

I sent my first Internet email 30 years ago 🙀 Fun detail: my email address wasn't even a real personal inbox. It was more like an omnibus address that looked like: firt%[email protected] So yes, I was already using firt as my username back then. 😅

Attending #WebAI Summit in Sunnyvale 🇺🇸 today

🇺🇸Next week, I'll be traveling to San Francisco and the Bay Area. By the end of the week, I'll be attending the Web AI Summit by Google in Sunnyvale. I hope to meet some of you there! 😀

I'm at a tech event in Argentina, and several people have mentioned the same feeling: AIOverflowException. There is almost no space these days for topics other than AI.

Meta's big reveal today: smart glasses with a display and a wristband for gesture control. Cool. I'm now wearing my Google Glass (2013) + Myo armband (2014). Same thing! minus the AI 😂

I’ve tested a couple of agentic browsers recently. They were too slow and failed at very basic tasks, like saving a calendar appointment, running a simple search, or filling out a web form from a JSON record. Right now, they’re still just a promise of a possible future.

Chapter 4 is ready ✅ I'm working on my next technical book. Physical printed book. Also, as an ebook. With a well-known IT publisher, as if it's 2015 all over again. 😃

Do you need a library for every project? Watch this Devoxx UK 2025 talk by @firt.dev where he shows how to build powerful, maintainable web apps with just Vanilla JS, browser APIs, and smart architectures. View talk www.devoxx.co.uk//talk?id=18779

Five years ago, I published an open letter denouncing Apple employees for their hostile and bullying attitude toward developers who voiced criticism. It gained enough traction that, a few days later, Tim Cook briefly responded to it in the U.S. Congress. Letter: firt.dev/lazy

Check out @firt.dev’s talk from Devoxx UK and learn to integrate AI LLM models seamlessly using client-side APIs, Chrome's Gemini Nano, WebNN, and more. Dive into secure prompting and practical demos. Watch talk @ www.devoxx.co.uk//talk?id=18784

Which talks are causing a fuss even post-event? Here is a list of our top 5 watched YouTube videos so far! You should definitely check them out too: 1. Vanilla Web: You Don't Need that Library by @firt.dev buff.ly/vSjsDbU

Vanilla Web power 💪 😃

20 years ago in Buenos Aires, I launched Latin America’s first Mobile App Dev career. I built the full curriculum: J2ME, .NET, WAP, SMS, Symbian, Palm & more — years before iPhone or Android even existed. 😀

It is 25% OFF! 🔥

🔴ADD TO HOME SCREEN on iOS 26 and iPadOS 26 Any website is treated as an app by default (a.k.a. a PWA) if added to the home screen. "Add to home Screen" is now 3 taps away: 1️⃣ ... menu 2️⃣ Share 3️⃣ ... more (second one)

All #WWDC25 videos are now live! Quick fun detail: some slides mention Safari 19 instead of the final name, Safari 26 — just like when xrOS appeared instead of visionOS 😅 Here’s a thread with the six web-related sessions you can watch now 👇

PHP is now 30 years old! 🥳 It's still alive! I've published a PHP Basics course a few months ago. firt.dev/php-course/

🟡 NEW COURSE OUT! Build a high-performance full-stack app from scratch — no frameworks. Vanilla JavaScript frontend + rock-solid Go backend with a JSON API. Now on @frontendmasters.com Get 10% OFF First month at firt.dev/vanillajs-go/

My talk titled “Unlocking Generative AI in your Web App” was delivered last week at @devoxx.uk and is now available for viewing. Check it out! firt.dev/genai-web-ap...

Thanks for a great event!

Creating custom HTML elements with #VanillaJS #DevoxxUK @firt.dev

Hello London 🇬🇧. Always happy to walk around the city.

Devoxx UK London starting now 🇬🇧 It's great to see hundreds of developers in one physical room in 2025. 😅 @devoxx.uk

Next week, I'll be in Madrid 🇪🇸 and London 🇬🇧 to discuss on Vanilla Web App development and AI for Web Developers. See you there! 😍

"The Town that Went Crazy For Crypto" Last Sunday, the printed US edition of The New York Times featured my investigation from a few months ago into a huge crypto scam involving Polish actors hired as fake executives in a small town in Argentina. It's an incredible story! Links in reply!

Thank you @firt.dev and @frontendmasters.com for putting on a great Go Vanilla JS course! I’ve learned such cool things the past couple days!! excited to finally be developing apps in Go

Join @firt.dev at Devoxx UK 2025 for "Unlocking Generative AI in your Web App." Discover how to integrate AI LLM models into your site with client-side APIs, WebNN, WebGPU, and more. Dive into API integration, token management, secure prompting, and practical demos. View talk @ buff.ly/Z5H74Es

Next week I will be in Amsterdam 🇳🇱 teaching some workshops at WebDevCon / App De Con / PHP Dutch Conference. 🍨Vanilla JavaScript Web App Development 🔐Implementing User Authentication with Passkeys See you there! 😀

Ready to embrace simplicity and speed in web development? Watch @firt.dev explore crafting rich web apps with Vanilla JS, modern browser APIs, and server-side architectures—no dependencies!

Acá con el desemmascarador de estafas @firt.dev y dos empanadas

I had this account for 10 months with no activity. But it seems it's growing fast these days. Will it work? 🤔

<Hello world!> New year, new social network account 😛