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How accurate is the page performance data?

We are capturing that data when we render the page using a headless browser (phantomJS). The data is not yet perfect; you may see an large occasional spike in server response time (one of the components) when our crawlers hit 100% CPU. Once we over-provision our servers, that problem will be resolved and we will start to generate alerts.

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Mark Munroe

I have been deep into technical SEO for over 10 years. We created SEORadar to catch all the mishaps an avoidable problems that happen so regularly!

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