jason's blogObservations on web standards, browsers, and frontend development

Category: Web Platform

How Baseline changes the way we judge browser support

A shared support baseline makes product and engineering discussions more precise than a simple can-we-use-it question.

Published 10/21/2025

From “supported” to a shared baseline

Browser support discussions often collapse into a yes-or-no question even when the real answer depends on browser versions, release timing, and the audience of a product.

Baseline provides a common way to describe when a web feature becomes broadly available across major browser engines. It does not replace product analytics or accessibility testing, but it gives design and engineering teams a more consistent starting point.

How I use it

I treat Baseline as one input alongside usage data, fallback cost, and the value of the feature. A newly available API may be appropriate as progressive enhancement before it is suitable as a hard dependency.

The important improvement is conversational: instead of arguing from remembered compatibility tables, a team can state its support policy and evaluate features against the same reference.