By Team Edtoolkits · Web & network
Open a Lighthouse or PageSpeed Insights JSON report, see scores and Core Web Vitals, compare two runs and list the fixes with the biggest impact first.
Use the guide alongside the working tool.
Open Lighthouse Report Viewer →Get started
Open a Lighthouse or PageSpeed JSON file, or paste it, or start from the sample.
Adjust and explore
To compare, paste a second report into the Options panel.
Save and share
Read the scores, metrics and fixes, then copy or download the summary.
Privacy and limits
Reads reports you already have; it does not run Lighthouse or fetch any page. Fix order uses the time and bytes each audit says it can save, so treat it as a guide. Your data stays on your device.
Ready to apply this workflow?
Try Lighthouse Report Viewer →Explore a related workflow
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Keep your original files and review the result. Found unclear instructions? Contact Team Edtoolkits.