Google Page Speed insights. Lighthouse measurement origin
问题 Google provides Speed index for given URL by doing a lighthouse measurement: https://developers.google.com/speed/pagespeed/insights The data differs a lot from my own measurement. Now my guess is for the mobile page test they use some 4G emulation on a machine located in the US while my testet webserver is located in europe. Any idea where to find information on the geo location they perform testing from ? 回答1: Lighthouse uses 'a slow 4G connection'. This choice influences the importance of