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Turbulence Report

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jameslaurenceuk.com could see a 30+ improvement in page speed by adopting Turbulence.

jameslaurenceuk.com — For jameslaurenceuk.com, Google's performance score goes from 18 to 48 (+30). Turbulence does this with a DNS change — no code updates.

  • Higher scores mean fewer visitors leaving before your page loads.
  • 499 KB less data per visit — faster on mobile networks.

Performance

Lab data — simulated mobile
Before

Lab metrics

Metric Before With Turbulence
Speed Index SI Before: 7.0 s After: 10 s
First Contentful Paint FCP Before: 2.9 s After: 10 s
Largest Contentful Paint LCP Before: 8.9 s After: 14 s
Cumulative Layout Shift CLS Before: 1.184 After: 0.151 -87%
Total Blocking Time TBT Before: 941 ms After: 154 ms -84%

What changed (2)

  • Speculation rules prefetching Browser prefetches likely navigation targets for instant loads
  • Resource hints injected Browser knows what to fetch early

How we measured this

  1. 1. We fetched your page and scored it with PageSpeed Insights (mobile, lab data).
  2. 2. We re-fetched it through a Turbulence preview environment that applies our transformation pipeline.
  3. 3. We scored the result with PageSpeed Insights again.
  4. 4. The deltas above are the difference — a directional estimate, not a forecast. First visits, geographic location, network conditions, and JS-rendered content all affect real-world results.