Adamarant
From the studio

Fieldnotes

Field notes on AI-native products, design systems, web engineering, SaaS economics and modern infrastructure. New articles every week, sources included.

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a signpost with several arrows

Web Design and Engineering · Jul 18, 2026

Next.js i18n without a library: the App Router pattern we ship

Next.js App Router ships no built-in i18n. We run three locales on native routing with zero i18n dependencies. Here is the exact production pattern.

printing machine

AI and Automation · Jul 17, 2026

Google's scaled content abuse policy: the AI pipeline that survives

Google's June 2026 spam update ran on SpamBrain in two days. What the scaled content abuse policy actually checks, and how to build a pipeline it clears.

An architect working on a draft with a pencil and ruler

Business and Scale · Jul 16, 2026

Discovery phase cost in 2026: what to pay and what to refuse

A discovery phase runs $5,000 to $30,000, or 5% to 10% of the build it prices. Here is what that fee has to buy, and the two price signals that say no.

striped wall paint

Infrastructure and SEO · Jul 15, 2026

Stripe Checkout vs Billing Portal: which does what in 2026

Stripe Checkout starts the payment; the Billing customer portal manages it after. Here is what each one owns, what the portal cannot do, and how to wire both.

a bird is perched on the side of a building

Web Design and Engineering · Jul 14, 2026

TanStack in 2026: Query, Router, Start, and what each one solves

TanStack Query passes 12M weekly downloads. The family now spans routing, tables, forms, and a full-stack framework. What each solves, and when to add it.

blue and white tiles

Infrastructure and SEO · Jul 13, 2026

Sitemap strategy for a large content site: split, index, lastmod

A single sitemap caps at 50,000 URLs and 50MB. Here is how to shard a large blog into a sitemap index, keep lastmod honest, and get new posts crawled in hours.

a calculator sitting on top of a table next to a laptop

AI and Automation · Jul 12, 2026

AI integration cost for a SaaS in 2026: real ranges

AI integration cost splits into build, run, and maintenance. Real 2026 ranges for chatbots, RAG, and agents, plus the hidden third of the bill most budgets forget.

person using laptop computer holding card

Business and Scale · Jul 11, 2026

Stripe integration cost and timeline for a SaaS in 2026

Stripe Billing adds 0.7% and Stripe Tax 0.5% on top of 2.9% + $0.30, and a production subscription integration runs $25,000 to $60,000. The real ranges by scope.

watercolor wireframe sketches of website layouts

Product Design · Jul 10, 2026

SaaS website design cost in 2026: a founder's pricing guide

A B2B SaaS website runs $5K to $150K in 2026. What sets the number: freelancer vs boutique vs agency, and how clear your positioning is before design starts.

watercolor wireframe sketches of website layouts

Product Design · Jul 9, 2026

Design system pricing in 2026: project, retainer, or shared ownership

A design system costs $5,000 to $60,000+ to build, then needs upkeep. We compare project, retainer, and shared-ownership pricing, and which fits your stage.

a close up of a paper with numbers on it

Business and Scale · Jul 8, 2026

Design system ROI: measure it as a P&L line item

A design system that cuts build time 47% is a cost with a measurable return, not a brand showcase. Here is how to put it on the P&L in 2026.

Abstract 3D render with geometric shapes, pink cubes, and spheres.

Web Design and Engineering · Jul 7, 2026

WebGL vs CSS animation: when to use each (2026)

CSS animates transform and opacity off the main thread for free. WebGL hands you the raw GPU. Here is the line between them, with the bundle and battery costs.

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All articles

94 articles

2026