This skill should be used when the user asks to "technical SEO audit", "check page speed", "Core Web Vitals", "LCP is slow", "CLS problem", "INP issues", "crawl errors", "indexing problems", "robots.txt check", "XML sitemap errors", "hreflang issues", "canonical tag problems", "HTTPS not working", "mobile SEO", "JavaScript rendering", or "site health check". Performs comprehensive technical SEO audits: Core Web Vitals (LCP/CLS/INP/TTFB), crawlability, indexability, mobile-friendliness, HTTPS/HSTS security, URL structure, redirect chains, robots.txt, XML sitemaps, hreflang, canonical tags, and structured data validation. Produces a scored technical health report (0–100) with critical/high/medium issue triage and a prioritized implementation roadmap. Works with Google PageSpeed Insights, Google Search Console, crawl tools, or manual audit. For content element issues, see on-page-seo-auditor. For link architecture, see internal-linking-optimizer.

当用户询问技术SEO审计、页面速度检查、核心网页指标、LCP缓慢、CLS问题、INP问题、爬取错误、索引问题、robots.txt检查、XML站点地图错误、hreflang问题、规范标签问题、HTTPS失效、移动SEO、JavaScript渲染或网站健康检查时使用本技能。本技能执行全面的技术SEO审计，涵盖核心网页指标（LCP/CLS/INP/TTFB）、可爬取性、可索引性、移动端友好性、HTTPS/HSTS安全、URL结构、重定向链、robots.txt、XML站点地图、hreflang、规范标签和结构化数据验证。输出0至100分的技术健康评分报告，包含关键/高/中优先级问题分类及优先级排序的实施路线图。支持与Google PageSpeed Insights、Google搜索控制台、爬虫工具或手动审计配合使用。如涉及内容元素问题，请使用页面SEO审计器；如涉及链接架构问题，请使用内部链接优化器。