People who make useful content and services intended for interactive human use available for free have written at length about the ongoing issues with AI crawlers scouring the web in an insatiable search for new training data. Some people are coming up with interesting technical solutions to the problems posed by AI crawlers, but I have ultimately opted for a much simpler solution: a paywall. Kullish is a project that I operated free of charge for all users from 2020 until January 2025.

The big mistake Using Tailwind CSS for Notado is the single biggest mistake I have ever made in my career as a developer. I cannot overstate the amount of technical debt that this has introduced, and how it has compounded over the years since this decision was taken. Never use this for a one-man SaaS project. One of the biggest consequences of this mistake was that introducing dark mode immediately became a non-trivial task, especially when compared to Kullish, where I had the good sense to use Bulma, and adding dark mode was the simple case of adding a single link element to my existing base HTML template: