Scan result
ibm.com
Scanned 5 hours ago · Apr 19, 2026
Mobile strategy
Scanned by anonymous visitor
Lighthouse scores
Scored 0–100 against Google's Core Web Vitals thresholds.
Performance
Accessibility
SEO
Best Practices
Poor mobile performance
A score under 50 means visitors on mobile connections are waiting several seconds for content and may leave before the page finishes loading.
Core Web Vitals
- FCP First Contentful Paint. How quickly the first text or image appears. Under 1.8s is good.
- 9.7s
- LCP Largest Contentful Paint. Time until the biggest visible element finishes loading. Under 2.5s is good; over 4s is poor.
- 28.2s
- TBT Total Blocking Time. How long the browser was frozen by heavy JavaScript while loading. Under 0.2s is good; over 0.6s is poor.
- 2.5s
- CLS Cumulative Layout Shift. How much the page jumps around while loading. Under 0.1 is good; over 0.25 is poor.
- 0.060
- SI Speed Index. How quickly content visually populates. Under 3.4s is good.
- 16.0s
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