Measure page performance and detect regressions against saved baselines.
npx skills add https://github.com/chriswestt/claude-skills --skill benchmark-chriswestt
Please help me install this Agent Skill. Skill: benchmark Source: https://github.com/chriswestt/claude-skills/tree/main/gstack/benchmark Command: npx skills add https://github.com/chriswestt/claude-skills --skill benchmark-chriswestt
Detects performance regressions by establishing baselines for page load times, Core Web Vitals, and resource sizes, and by comparing current results against previous runs on every PR and tracking trends over time.
Run the benchmark against a URL to baseline, measure, and compare performance across pages.
High-intent search queries and answers about installing and using this skill.
To detect web performance regressions, you establish performance baselines for page load times and Core Web Vitals, then compare current measurement runs against those saved baselines to identify meaningful deltas.
Tracking Core Web Vitals trends across branches and PRs requires capturing baseline metrics for your pages, then comparing subsequent runs against those baselines to visualize performance changes over time and anticipate issues.
Yes, you can capture performance baselines for a full set of pages or a single URL. The measurement process collects navigation timing, resource timings, and JavaScript metrics to establish your baseline.
You can run a quick audit by measuring current page performance against a previously saved baseline. This compares current navigation timing and resource metrics to baseline data to quickly identify regressions.
Yes, this baseline and regression detection process requires a browse-based timing tool to actively collect navigation timing, resource timings, and JavaScript metrics needed for baseline capture and trend reports.
Regression detection relies on comparing current results to saved baselines, meaning you must first capture baseline metrics for your pages before you can measure deltas or perform trend analysis on subsequent runs.
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npc-chrisAutomate website performance benchmarking with page load times and Core Web Vitals.
