pagespeed-insights

问题 Can I use pagespeed insights for my localhost website or offline? 回答1: Yes. Use the "Lighthouse" tab from your google chrome dev tools. This is a great starter tutorial on how to do that: https://www.youtube.com/watch?v=5fLW5Q5ODiE Edit: user izogfif pointed out the "Audit" tab was replaced by "Lighthouse". 回答2: An alternative way to run Lighthouse Although this is an old question there is an alternative way to run Lighthouse (the engine behind Page Speed Insights) locally that may be useful

来源： https://stackoverflow.com/questions/63696123/drastically-different-google-pagespeed-insights-lab-data-speeds-between-mobile

来源： https://stackoverflow.com/questions/63696123/drastically-different-google-pagespeed-insights-lab-data-speeds-between-mobile

来源： https://stackoverflow.com/questions/62065117/remove-unused-code-google-page-speed-and-others-errors

来源： https://stackoverflow.com/questions/53315575/lighthouse-failed-document-request

来源： https://stackoverflow.com/questions/53315575/lighthouse-failed-document-request

来源： https://stackoverflow.com/questions/62751471/how-to-find-cumulative-layout-shift-problems-if-page-speed-insights-says-one-thi

来源： https://stackoverflow.com/questions/56187791/how-to-set-cache-control-header-in-amazon-cloudfront

来源： https://stackoverflow.com/questions/56187791/how-to-set-cache-control-header-in-amazon-cloudfront

问题 We have our development page giving correct score on page speed insights. https://developers.google.com/speed/pagespeed/insights/?hl=en&url=https%3A%2F%2Fdev.techtitute.com But our production page always returns scan error: Lighthouse returned error: FAILED_DOCUMENT_REQUEST. Lighthouse was unable to reliably load the page you requested. Make sure you are testing the correct URL and that the server is properly responding to all requests. (Details: net::ERR_CONNECTION_FAILED) https://developers