If you’re already convinced that you should regularly check your Google Core Vitals, we recommend using Screaming Frog and Page Speed Insights to run a quick and easy test for every page on your website.

Time needed: 30 minutes
Simple and easy guide how to perform Core Web Vitals Check on multiple pages using an SEO Spider.
- Setting Up a PageSpeed Insights API Key
To set-up a free PageSpeed Insights API key, login to your Google account and then visit the PageSpeed Insights getting started page.
- Generate your free API key
After generating, just click on the button and copy your API Key
- Connect to the PageSpeed Insights API
Start the Screaming Frog SEO Spider and go to ‘Configuration > API Access > PageSpeed Insights’, enter a free PageSpeed Insights API key:
- Select Your Metrics
The following speed metrics, opportunities and diagnostics data can be configured to be collected via the PageSpeed Insights API integration.
• Overview Metrics
• CrUX Metrics (‘Field Data’ in PageSpeed Insights)
• Lighthouse Metrics (‘Lab Data’ in PageSpeed Insights)
• Opportunities
• Diagnostics - Crawl the Website and view the PageSpeed Tab
In the report you can see the test results for every page on your website.
- PageSpeed Insights API Limits
The API is limited to 25,000 queries a day at 60 queries per 100 seconds per user. The SEO Spider automatically controls the rate of requests to remain within these limits.
Please consult the ‘quotas’ section of the API dashboard to view your API usage quota.
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