Assesses web page speed metrics and compares them with previous baselines.
npx skills add https://github.com/giljae/gstack-antigravity --skill benchmark-giljae
Please help me install this Agent Skill. Skill: benchmark Source: https://github.com/giljae/gstack-antigravity/tree/main/gstack-origin/benchmark Command: npx skills add https://github.com/giljae/gstack-antigravity --skill benchmark-giljae
This Skill addresses the challenge of identifying web page performance regressions by providing detailed measurement and comparison tools.
Provide a URL to evaluate website performance, and the Skill will automatically measure key metrics, compare with previous baselines, and generate a detailed report.
High-intent search queries and answers about installing and using this skill.
To detect performance regressions, this tool measures Web Vitals and load times by collecting metrics through automated browser assessments. It compares new results against saved baselines to identify any degradation in website speed or user experience.
Tracking web performance trends over time involves capturing historical metric data during each assessment. The tool stores load times and resource sizes from previous runs, allowing you to visualize trends and identify potential degradation across updates.
Yes, you need Puppeteer and git installed to automate web page performance measurement. Puppeteer provides the browser automation capabilities required to gather metrics, while git integration supports baseline comparison for continuous performance monitoring.
Yes, you can compare current website metrics against a baseline before deploying an update. The tool creates performance baselines and compares newly collected load times and Web Vitals against them to ensure performance remains within acceptable thresholds.
To analyze slow resources and resource sizes on web pages, the tool automates the gathering of resource data during load. It helps developers pinpoint slow resources and compare their sizes against baselines to detect regressions.
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