There are 19 filters for opportunities and diagnostics to help identify potential speed improvements from Lighthouse.Ĭlick on a URL in the top window and then the ‘PageSpeed Details’ tab at the bottom, the lower window populates with metrics for that URL, and orders opportunities by those that will make the most impact at page level based upon Lighthouse savings.īy clicking on an opportunity in the lower left-hand window panel, the right-hand window panel then displays more information on the issue, such as the specific resources with potential savings.Īs you would expect, all of the data can be exported in bulk via ‘ Reports‘ in the top-level menu. In the PageSpeed tab, you’re able to view metrics such as performance score, TTFB, first contentful paint, speed index, time to interactive, as well as total requests, page size, counts for resources and potential savings in size and time – and much, much more. (The irony of releasing pagespeed auditing, and then including a gif in the blog post.) You’re able to choose and configure over 75 metrics, opportunities and diagnostics (under ‘Config > API Access > PageSpeed Insights > Metrics’) to help analyse and make smarter decisions related to page speed. The great thing about the API is that you don’t need to use JavaScript rendering, all the heavy lifting is done off box. The field data from CrUX is super useful for capturing real-world user performance, while Lighthouse lab data is excellent for debugging speed related issues and exploring the opportunities available. We’ve introduced a new ‘PageSpeed’ tab and integrated the PSI API which uses Lighthouse, and allows you to pull in Chrome User Experience Report (CrUX) data and Lighthouse metrics, as well as analyse speed opportunities and diagnostics at scale. You’re now able to gain valuable insights about page speed during a crawl. 1) PageSpeed Insights Integration – Lighthouse Metrics, Opportunities & CrUX Data For version 12, we’ve listened to user feedback and improved upon existing features, as well as introduced some exciting new ones. In version 11 we introduced structured data validation, the first for any crawler. We are delighted to announce the release of Screaming Frog SEO Spider version 12.0, codenamed internally as ‘Element 115’.
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