https://faysalhassani.com/en/ Thoughts on technology, the web, software, AI, and economics. en https://faysalhassani.com/en/why-i-write-here/ https://faysalhassani.com/en/why-i-write-here/ Notes on keeping a place of my own on the web, and why a personal site still earns its keep in an age of platforms. Mon, 10 Aug 2026 00:00:00 GMT https://faysalhassani.com/en/the-cost-of-a-dependency/ https://faysalhassani.com/en/the-cost-of-a-dependency/ Every package you add is a promise to maintain something you did not write, on a schedule you do not control. Mon, 03 Aug 2026 00:00:00 GMT https://faysalhassani.com/en/software-that-fits-in-your-head/ https://faysalhassani.com/en/software-that-fits-in-your-head/ On the underrated engineering property of being small enough to reason about in one sitting, without a diagram. Tue, 28 Jul 2026 00:00:00 GMT https://faysalhassani.com/en/what-ai-changed-about-writing-code/ https://faysalhassani.com/en/what-ai-changed-about-writing-code/ The bottleneck moved from typing to deciding, and most teams have not reorganised around the new constraint yet. Wed, 22 Jul 2026 00:00:00 GMT https://faysalhassani.com/en/economics-is-a-study-of-tradeoffs/ https://faysalhassani.com/en/economics-is-a-study-of-tradeoffs/ Why the discipline is less about money than about the shape of the choices left once resources run out. Thu, 16 Jul 2026 00:00:00 GMT https://faysalhassani.com/en/the-web-is-still-the-best-platform/ https://faysalhassani.com/en/the-web-is-still-the-best-platform/ Twenty years of predictions about its replacement, and the open document model keeps outliving every challenger. Fri, 10 Jul 2026 00:00:00 GMT https://faysalhassani.com/en/against-premature-abstraction/ https://faysalhassani.com/en/against-premature-abstraction/ The second time you write something similar is rarely enough evidence to know what the abstraction should be. Sat, 04 Jul 2026 00:00:00 GMT https://faysalhassani.com/en/reading-code-is-the-real-skill/ https://faysalhassani.com/en/reading-code-is-the-real-skill/ We train developers to write and then employ them to read, which explains a great deal about how teams actually work. Sun, 28 Jun 2026 00:00:00 GMT https://faysalhassani.com/en/on-shipping-small-things-often/ https://faysalhassani.com/en/on-shipping-small-things-often/ The argument for small releases is not speed. It is that small changes fail in ways you can still understand. Mon, 22 Jun 2026 00:00:00 GMT https://faysalhassani.com/en/why-interfaces-outlive-implementations/ https://faysalhassani.com/en/why-interfaces-outlive-implementations/ A good boundary survives three rewrites of what sits behind it, which makes boundary design the durable work. Tue, 16 Jun 2026 00:00:00 GMT https://faysalhassani.com/en/the-quiet-cost-of-configuration/ https://faysalhassani.com/en/the-quiet-cost-of-configuration/ Every option you expose is a branch you must test, document, and keep working for as long as anyone uses it. Wed, 10 Jun 2026 00:00:00 GMT https://faysalhassani.com/en/local-first-software/ https://faysalhassani.com/en/local-first-software/ What changes when the network becomes an optimisation rather than a requirement for the application to function. Thu, 04 Jun 2026 00:00:00 GMT https://faysalhassani.com/en/latency-is-a-feature/ https://faysalhassani.com/en/latency-is-a-feature/ Users do not experience throughput. They experience the pause between an action and the evidence that it worked. Fri, 29 May 2026 00:00:00 GMT https://faysalhassani.com/en/notes-on-technical-debt/ https://faysalhassani.com/en/notes-on-technical-debt/ The metaphor is good but incomplete: some debt is a mortgage, and some of it is a payday loan you took by accident. Sat, 23 May 2026 00:00:00 GMT https://faysalhassani.com/en/the-market-for-lemons-in-software/ https://faysalhassani.com/en/the-market-for-lemons-in-software/ When buyers cannot assess quality before purchase, the market rewards the appearance of quality instead of the thing. Sun, 17 May 2026 00:00:00 GMT https://faysalhassani.com/en/static-sites-and-their-discontents/ https://faysalhassani.com/en/static-sites-and-their-discontents/ What you give up when you remove the server, and why for most publishing it turns out to be nothing at all. Mon, 11 May 2026 00:00:00 GMT https://faysalhassani.com/en/type-systems-as-documentation/ https://faysalhassani.com/en/type-systems-as-documentation/ The most valuable thing a type gives you is not safety at runtime but a claim the compiler will keep honest over time. Tue, 05 May 2026 00:00:00 GMT https://faysalhassani.com/en/on-estimating-software/ https://faysalhassani.com/en/on-estimating-software/ Estimates fail not because developers are optimistic but because the work is discovered rather than planned in advance. Wed, 29 Apr 2026 00:00:00 GMT https://faysalhassani.com/en/the-productivity-paradox-again/ https://faysalhassani.com/en/the-productivity-paradox-again/ Every wave of tooling promises to make software cheaper, and the total cost of software keeps rising anyway. Thu, 23 Apr 2026 00:00:00 GMT https://faysalhassani.com/en/what-makes-a-good-api/ https://faysalhassani.com/en/what-makes-a-good-api/ The test is not elegance. It is whether a competent stranger can use it correctly on the first attempt, without help. Fri, 17 Apr 2026 00:00:00 GMT