Frontend
Obs.js: Context-Aware Web Performance for Everyone
CSS Wizardry0 views
Obs.js is a tiny inline script that exposes network, battery, CPU, and memory signals to CSS and JavaScript so you can adapt to user context.
Source：https://csswizardry.com/2025/08/obs-js-context-aware-web-performance/PreviousWhen All You Can Do Is All or Nothing, Do NothingNextLow- and Mid-Tier Mobile for the Real World (2025)
Related posts
My product's task address started getting sales pitches. The triage rule I settled on
0dev.to Productivity
The Full-Stack Engineer in 2026: Not a Unicorn — Just a Better Toolset
0dev.to Career
How to Sell an Obsidian Vault as a Digital Product (Step by Step)
0dev.to Beginners
I got tired of babysitting Playwright, so I turned it into a small render API
0dev.to Node
Your Playwright suite is lying to you (and retries are how)
0dev.to Testing
We asked the internet what agent failure mode we were missing. It shipped 24 hours later.
0dev.to Programming