debug-optimize-lcp
Audited by Runlayer on Feb 24, 2026
Malicious tool definition detected
Tool: SKILL.md Description: --- name: debug-optimize-lcp description: Guides debugging and optimizing Largest Contentful Paint (LCP) using Chrome DevTools MCP tools. Use this skill whenever the user asks about LCP performance, slow page loads, Core Web Vitals optimization, or wants to understand why their page's main content takes too long to appear. Also use when the user mentions "largest contentful paint", "page load speed", "CWV", or wants to improve how fast their hero image or main content
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- **Exclusions**: Margin, padding, and borders are not considered toward the size. - **Containment**: Every text node belongs to its closest block-level ancestor element.
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Tool: references/lcp-breakdown.md Description: # Largest Contentful Paint (LCP) Breakdown LCP measures the time from when the user initiates loading the page until the largest image or text block is rendered within the viewport.
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Tool: references/optimization-strategies.md Description: # LCP Optimization Strategies ## 1.
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