Pesto

Median of 5 presets · measured 150 times since 2026-10-09 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Mobile

Speed 71 · 29 points to gain

• −24.8 Largest Contentful Paint medium effort
• −2.7 Speed Index medium effort
• −1.8 Total Blocking Time medium effort

• 300 ms Reduce unused CSS high effort

SEO 85 · 15 points to gain

• −7.7 Document does not have a meta description low effort
• −7.7 Image elements do not have `[alt]` attributes low effort

Accessibility 79 · 21 points to gain

• −4.8 Buttons do not have an accessible name medium effort
• −4.8 Image elements do not have `[alt]` attributes low effort
• −3.3 `[aria-hidden="true"]` elements contain focusable descendents medium effort
• −3.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
• −3.3 Links do not have a discernible name medium effort
• −1.4 Heading elements are not in a sequentially-descending order 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

• −9.5 Largest Contentful Paint medium effort
• −3.3 Total Blocking Time medium effort
• −1.2 Speed Index medium effort

SEO 85 · 15 points to gain

• −7.7 Document does not have a meta description low effort
• −7.7 Image elements do not have `[alt]` attributes low effort

Accessibility 76 · 24 points to gain

• −4.8 Buttons do not have an accessible name medium effort
• −4.8 Image elements do not have `[alt]` attributes low effort
• −3.3 `[aria-hidden="true"]` elements contain focusable descendents medium effort
• −3.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
• −3.3 Links do not have a discernible name medium effort
• −3.3 Touch targets do not have sufficient size or spacing. medium effort

Best practices 96 · 4 points to gain

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