How to Find Slow Pages Hurting Core Web Vitals
To find slow pages impacting your Core Web Vitals, use tools like Google Search Console, PageSpeed Insights, and Lighthouse to diagnose performance issues. Focus on pages with poor scores in Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative Layout Shift (CLS).

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Key Takaways






Frequently Asked Questions
What are Google Core Web Vitals?
Slow pages decrease user satisfaction, increase bounce rates, and lower your rankings in Google Search results.
Why should I care about slow pages?
Slow pages decrease user satisfaction, increase bounce rates, and lower your rankings in Google Search results.
Which tool is best for finding slow pages?
Google Search Console gives a high-level view, while PageSpeed Insights and Lighthouse provide in-depth diagnostics. Use Screaming Frog for bulk analysis.
How often should I check Core Web Vitals?
Audit your site monthly or after major content or design changes to ensure consistent performance.
Can Core Web Vitals affect my SEO?
Yes. Since 2021, Core Web Vitals are part of Google’s ranking signals under the Page Experience update.
Step by Step Plan
Access Google Search Console
Go to the 'Core Web Vitals' report under the 'Experience' section. This highlights poor URLs categorized by desktop and mobile performance.
Use PageSpeed Insights
Copy flagged URLs into PageSpeed Insights. Analyze metrics like LCP, FID, and CLS, along with recommendations for improvement.
Run a Site Crawl with Screaming Frog
Connect Screaming Frog to PageSpeed Insights or use Lighthouse API to generate CWV reports in bulk and identify underperformers at scale.
Run a Site Crawl with Screaming Frog
Test key pages using WebPageTest’s filmstrip and waterfall tools to uncover render-blocking issues and slow time to first byte.
Prioritize & Optimize
Focus on pages with the most traffic and worst scores. Optimize images, defer unused JavaScript, and consider lazy loading to improve performance.
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