RicoUI Blog

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

Mobile

Speed 68 · 32 points to gain

• −24.3 Largest Contentful Paint medium effort
• −5.5 First Contentful Paint medium effort
• −2 Speed Index medium effort

• 300 ms Reduce unused CSS high effort

SEO 91 · 9 points to gain

• −9.1 Links are not crawlable medium effort

Accessibility 78 · 22 points to gain

• −6.5 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
• −4.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
• −4.5 Links do not have a discernible name medium effort
• −4.5 Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). low effort
• −1.9 Document does not have a main landmark. medium effort

Best practices 96 · 4 points to gain

• −3.8 Browser errors were logged to the console medium effort

Desktop

Speed 86 · 14 points to gain

• −12.3 Largest Contentful Paint medium effort
• −1 First Contentful Paint medium effort
• −0.8 Speed Index medium effort

SEO 91 · 9 points to gain

• −9.1 Links are not crawlable medium effort

Accessibility 71 · 29 points to gain

• −6.5 Buttons do not have an accessible name medium effort
• −6.5 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
• −4.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
• −4.5 Links do not have a discernible name medium effort
• −4.5 Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). low effort
• −1.9 Document does not have a main landmark. medium effort

Best practices 96 · 4 points to gain

• −3.8 Browser errors were logged to the console medium effort