Alura

Single preset · measured 2 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Mobile

Speed 51 · 49 points to gain

• −25 Largest Contentful Paint medium effort
• −13.2 Total Blocking Time medium effort
• −7.9 Speed Index medium effort
• −2.5 First Contentful Paint medium effort

• 450 ms Reduce unused JavaScript high effort

Accessibility 90 · 10 points to gain

• −4.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
• −4.1 Links do not have a discernible name medium effort
• −1.8 Heading elements are not in a sequentially-descending order medium effort

Best practices 73 · 27 points to gain

• −19.2 Uses third-party cookies high effort
• −3.8 Displays images with incorrect aspect ratio low effort
• −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort

Desktop

Speed 54 · 46 points to gain

• −19.8 Largest Contentful Paint medium effort
• −18.9 Total Blocking Time medium effort
• −7.3 Speed Index medium effort

Accessibility 83 · 17 points to gain

• −3.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort
• −3.9 Links do not have a discernible name medium effort
• −3.9 Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). low effort
• −3.9 List items (`<li>`) are not contained within `<ul>`, `<ol>` or `<menu>` parent elements. low effort
• −1.7 Heading elements are not in a sequentially-descending order medium effort

Best practices 73 · 27 points to gain

• −19.2 Uses third-party cookies high effort
• −3.8 Displays images with incorrect aspect ratio low effort
• −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort