Running lighthouse for cached pages #15545
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We use lighthouse in a MEAN stack app to record and store the performance metrics. The ask is to compare the lighthouse performance of a page with cache and without cache. We use puppeteer launcher and run the lighthouse. Is there a recommended flow of running lighthouse to get performance comparision for a page with cache and without cache? |
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You want the |
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Sure. I'll load the page and provide that puppeteer instance to LH. Thank you. |
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You want the
--disable-storage-reset/disableStorageResetsetting. Run first without that, then again with that setting. You should use the same puppeteer instance so that the cache persists (when LH launches from the CLI, it uses a fresh profile, so no good).