Dual-Engine Setups Vs. Single-Engine Configs
willysworkshop.com.au/blog/dual-engine-setups-vs-single-engine-configs ·
Desktop ·
2026-04-14 16:23:04
97
Performance
92
Accessibility
100
Best Practices
92
SEO
Core Web Vitals
| Metric | Value | Status |
|---|---|---|
| First Contentful Paint | 859 ms | PASS |
| Largest Contentful Paint | 1.1 s | PASS |
| Total Blocking Time | 2 ms | PASS |
| Cumulative Layout Shift | 0.011 | PASS |
| Speed Index | 859 ms | PASS |
| Time to Interactive | 1.1 s | PASS |
| TTFB | 217 ms | PASS |
| INP (predicted from TBT) | 2 ms TBT | PASS |
Page Stats
| TTFB | DOM Nodes | Scripts | Blocking | CSS Files | Images | Requests | Transfer |
|---|---|---|---|---|---|---|---|
| 217 ms | 0 | 2 | 0 | 9 | 13 | 88 | 1,433 KB |
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Risk Level: Clean
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Field Data (CrUX — Real Users)
Current (p75)
| Metric | p75 | Rating |
|---|---|---|
| CLS | 11 | AVERAGE |
| FCP | 2809 | AVERAGE |
| INP | 127 | FAST |
| LCP | 4536 | SLOW |
| TTFB | 1851 | SLOW |
Predicted (28-day rollover)
| Metric | Predicted p75 | Rating | Change |
|---|---|---|---|
| FCP | 679 | FAST | -2130 |
| LCP | 881 | FAST | -3655 |
| INP | 0 | FAST | -127 |
| CLS | 1 | FAST | -10 |
| TTFB | 54 | FAST | -1797 |
Based on latest lab results blended over the 4-week CrUX rolling window. Actual values may vary.
Opportunities
| Issue | Savings |
|---|---|
| Reduce unused JavaScript | Est savings of 62 KiB |
| Reduce unused CSS | Est savings of 205 KiB |