Blog
Practical writing about building fast websites and web apps, working with AI, and getting found on Google and in AI search — in plain English. Page 2.
5 min read
Embeddings turn text, images and products into lists of numbers that capture meaning — the technology behind semantic search, recommendations and RAG. Here’s how they work and how to use them in a real app.
7 min read
Retrieval-augmented generation lets a language model answer questions using your documents instead of its memory. Here’s how the pipeline works — chunking, embeddings, vector search, prompting — and how to build one that’s actually reliable.
5 min read
Most web breaches don’t need genius hackers — they exploit a familiar list of mistakes. Here’s a practical tour of the OWASP Top 10 risks, with concrete examples and the habits that prevent them.
7 min read
An AI agent is a language model in a loop with tools. Here’s how tool calling works, what the Model Context Protocol (MCP) standardizes, and how to build agents that are useful without being dangerous.
5 min read
The best way to understand deep learning is to build a small network by hand — forward pass, loss, backpropagation and gradient descent — and then rebuild it the idiomatic PyTorch way. A beginner-friendly, code-first walkthrough.
6 min read
Describing what you want and letting AI write the code has gone from joke to everyday workflow. Here’s an honest look at what vibe coding does well, the risks it hides, and a practical way to use it without shipping a mess.
5 min read
Around one in six people lives with a significant disability — and accessible sites work better for everyone. Here’s what WCAG 2.2 asks for, the issues that matter most, and how to build and test accessible interfaces in everyday work.
6 min read
AI isn’t replacing developers or businesses that adapt — it’s raising the bar for everyone else. Here’s why learning AI matters now, what skills are worth your time, and a realistic learning path that doesn’t require a PhD.
5 min read
When someone searches “therapist near me” or “car rental Lugano”, Google shows a map and a handful of businesses. Here’s how local search works and a practical plan to make your business one of them.