Speed Index Published on Thursday, May 2, 2019 • Updated on Friday, June 4, 2021 Translated to: Português, Pусский Speed Index is one of five metrics tracked in the Performance section of the Lighthouse report. Each metric captures some aspect of page load speed. Lighthouse displays Speed Index in seconds: # What Speed Index measuresSpeed Index measures how quickly content is visually displayed du
![Speed Index - Chrome for Developers](https://cdn-ak-scissors.b.st-hatena.com/image/square/0de6460538a79d8171fe10e0d781cc26f27d245c/height=288;version=1;width=512/https%3A%2F%2Fwd.imgix.net%2Fimage%2Ffuiz5I8Iv7bV8YbrK2PKiY3Vask2%2FiGPiWTtoy7iF932Xday1.png%3Fauto%3Dformat%26w%3D1521)