SuperMarket

Single preset · measured 6 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Mobile

Speed 39 · 61 points to gain

• −19.8 Largest Contentful Paint medium effort
• −17.3 Cumulative Layout Shift medium effort
• −15 Total Blocking Time medium effort
• −6 First Contentful Paint medium effort
• −3.3 Speed Index medium effort

• 600 ms Reduce unused CSS high effort
• 450 ms Reduce unused JavaScript high effort

SEO 77 · 23 points to gain

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

Accessibility 73 · 27 points to gain

• −4.2 Elements with an ARIA `[role]` that require children to contain a specific `[role]` are missing some or all of those required children. medium effort
• −4.2 Image elements do not have `[alt]` attributes low effort
• −4.2 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
• −3 `[aria-hidden="true"]` elements contain focusable descendents medium 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

Best practices 96 · 4 points to gain

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

Desktop

Speed 56 · 44 points to gain

• −29.4 Total Blocking Time medium effort
• −6.8 Largest Contentful Paint medium effort
• −4.7 Speed Index medium effort
• −2.7 Cumulative Layout Shift medium effort
• −0.8 First Contentful Paint medium effort

SEO 77 · 23 points to gain

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

Accessibility 64 · 36 points to gain

• −4.2 `[aria-*]` attributes do not match their roles medium effort
• −4.2 Elements with an ARIA `[role]` that require children to contain a specific `[role]` are missing some or all of those required children. medium effort
• −4.2 Image elements do not have `[alt]` attributes low effort
• −4.2 Form elements do not have associated labels medium effort
• −4.2 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
• −3 `[aria-hidden="true"]` elements contain focusable descendents medium effort

Best practices 96 · 4 points to gain

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