• Load testing SignalR + Protobuf with k6

  Mar 9, 2026 10 min read

  How to build a custom SignalR client for k6 to load test real-time WebSocket applications using MessagePack and Protobuf

• Comprehensive guide to JavaScript performance analysis using Chrome DevTools

  May 16, 2024 28 min read

  Let's see how to navigate the Chrome Devtools Performance tab to effectively analyse and improve the performance of your JavaScript while avoiding common errors. Our use case will be improving the rendering FPS of a real-world canvas library.

• Install k3s with Alpine Linux on Raspberry Pi 3B+

  Dec 19, 2020 8 min read

  A step to step guide to run k3s on Alpine Linux using Ansible playbook

• Gmail Smart Compose in Keras and Tensorflow.js

  Jun 2, 2020 15 min read

  A Proof-of-Concept implementation using a sequence-to-sequence model in Keras and Tensorflow.js

• The past, present and future of virtualization

  Apr 27, 2020 15 min read

  Let's have a look at the current dominant solutions in cloud virtualization in terms of how they originated and have spread in the last years, along with future directions.

• How to validate Express requests using io-ts

  Apr 26, 2020 5 min read

  Combine io-ts runtime type system within an Express middleware to handle request validation

• CSS Custom Properties performance in 2018

  Sep 11, 2018 6 min read

  How are CSS Custom Properties performing in 2018?

• CSS resets in Shadow DOM

  Sep 5, 2018 5 min read

  How to apply reset.css or normalize.css with Web Components encapsulated in Shadow DOM

• What I've learnt reading Jason Miller's source code

  Jun 24, 2018 8 min read

  A tour of useful JavaScript tricks from his minimal open-source projects

• Testing Observables in RxJS6

  Jun 18, 2018 9 min read

  Introduction to RxJS marble testing, TestScheduler and how to improve Observable testing experience

• Using and automating GitHub issues as blog comments

  Jul 27, 2017 6 min read

  Practical guide in pure Javascript to replace Disqus blog comments using automated GitHub issues

• Angular AOT compilation with Webpack

  Jul 22, 2017 7 min read

  Set up AOT compilation in Webpack to avoid runtime compilation, reduce bundle size and improve application start