Detects network conditions using Chrome's Network Information API and tells you exactly what to do about them. It checks connection type, bandwidth, RTT, and save-data preferences, then triggers different optimization workflows. If it sees 2g, it'll push you toward aggressive lazy loading and critical CSS inlining. On 3g, it recommends responsive images and prefetch optimization. It even sets performance budgets by connection type: 500KB for 2g, 1.5MB for 3g, 3MB for 4g+. The decision trees are opinionated but smart, cross-referencing other webperf skills for TTFB analysis or media optimization. Honestly most useful if you're building adaptive loading strategies or need to justify why your site feels slow on mobile networks.
npx skills add https://github.com/nucliweb/webperf-snippets --skill webperf-resources