Marble

Median of 3 presets · measured 18 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Mobile

Speed 73 · 27 points to gain

• −21.8 Largest Contentful Paint medium effort
• −2.9 Speed Index medium effort
• −2.5 First Contentful Paint medium effort

SEO 85 · 15 points to gain

• −7.7 Links do not have descriptive text low effort
• −7.7 Image elements do not have `[alt]` attributes low effort

Accessibility 88 · 12 points to gain

• −4.4 Image elements do not have `[alt]` attributes low effort
• −3.1 Links do not have a discernible name medium effort
• −3.1 Touch targets do not have sufficient size or spacing. medium effort
• −1.3 Heading elements are not in a sequentially-descending order medium effort

Best practices 92 · 8 points to gain

• −3.8 Browser errors were logged to the console medium effort
• −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort

Desktop

Speed 88 · 12 points to gain

• −5.1 Speed Index medium effort
• −5 Largest Contentful Paint medium effort
• −1.7 Cumulative Layout Shift medium effort

SEO 85 · 15 points to gain

• −7.7 Links do not have descriptive text low effort
• −7.7 Image elements do not have `[alt]` attributes low effort

Accessibility 85 · 15 points to gain

• −4.3 Image elements do not have `[alt]` attributes low effort
• −3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
• −3 Links do not have a discernible name medium effort
• −3 Touch targets do not have sufficient size or spacing. medium effort
• −1.3 Heading elements are not in a sequentially-descending order medium effort

Best practices 92 · 8 points to gain

• −3.8 Browser errors were logged to the console medium effort
• −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort