O2 Fashion Store Section Drag & Drop

Single preset · measured 12 times since 2026-10-15 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Mobile

Speed 28 · 72 points to gain

• −25 Largest Contentful Paint medium effort
• −24.3 Cumulative Layout Shift medium effort
• −10 First Contentful Paint medium effort
• −8.9 Speed Index medium effort
• −4.2 Total Blocking Time medium effort

• 2.4 s Reduce unused JavaScript high effort
• 450 ms Reduce unused CSS 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 59 · 41 points to gain

• −4.1 `[aria-*]` attributes do not match their roles medium effort
• −4.1 Elements with an ARIA `[role]` that require children to contain a specific `[role]` are missing some or all of those required children. medium effort
• −4.1 `[aria-*]` attributes do not have valid values medium effort
• −4.1 Buttons do not have an accessible name medium effort
• −4.1 Image elements do not have `[alt]` attributes low effort
• −4.1 Form elements do not have associated labels medium effort

Best practices 50 · 50 points to gain

• −19.2 Uses deprecated APIs medium effort
• −19.2 Uses third-party cookies high effort
• −3.8 Serves images with low resolution low effort
• −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 45 · 55 points to gain

• −23.5 Cumulative Layout Shift medium effort
• −13.8 Total Blocking Time medium effort
• −11.2 Largest Contentful Paint medium effort
• −6.4 Speed Index 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 59 · 41 points to gain

• −4.1 `[aria-*]` attributes do not match their roles medium effort
• −4.1 Elements with an ARIA `[role]` that require children to contain a specific `[role]` are missing some or all of those required children. medium effort
• −4.1 `[aria-*]` attributes do not have valid values medium effort
• −4.1 Buttons do not have an accessible name medium effort
• −4.1 Image elements do not have `[alt]` attributes low effort
• −4.1 Form elements do not have associated labels medium effort

Best practices 54 · 46 points to gain

• −19.2 Uses deprecated APIs medium effort
• −19.2 Uses third-party cookies high effort
• −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