leonard.vinci.com
Ranks Overall #6 Important #4
Data from Sep 4, 2026, 11:06 AM UTC old Measured once a day · 1 run since Sep 4, 2026
Test elsewhere:
PageSpeed Insights ·
Calibre ·
Treo ·
CrUX Vis
Stack
Core Web Vitals field data, origin-level
Real Chrome users, 28-day window (2026-08-06 → 2026-09-02).
Lighthouse Scores
Filmstrip Lighthouse, mobile
How the page drew during the measured load, at 8 points across 3.00 s.
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375 ms
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750 ms
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1.13 s
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1.50 s
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1.88 s
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2.25 s
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2.63 s
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3.00 s
Without JavaScript
The same load, photographed twice at 412×823: once with scripts disabled, once as rendered.
98.3% of pixels differ — they have almost nothing in common. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.
Lab metrics Lighthouse, mobile
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| LCP Largest Contentful Paint | 9.52 s | — | — | 9.52 s | 9.52 s | |
| CLS Cumulative Layout Shift | 0 | — | — | 0 | 0 | |
| TBT Total Blocking Time | 183 ms | — | — | 183 ms | 183 ms | |
| FCP First Contentful Paint | 1.23 s | — | — | 1.23 s | 1.23 s | |
| Speed Index | 3.50 s | — | — | 3.50 s | 3.50 s | |
| TTFB Time to First Byte | 634 ms | — | — | 634 ms | 634 ms |
LCP Subparts lab observed, unthrottled
The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab metrics LCP metric shown above is throttled.
Field data Chrome UX Report, origin-level
Real Chrome users, 28-day trailing window (2026-08-06 → 2026-09-02).
| Metric | p75 | Rating | Distribution (good / needs work / poor) |
|---|---|---|---|
| LCP CWV | 1.52 s | good | 85.3% good |
| INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run | 136 ms | good | 89% good |
| CLS CWV | 0 | good | 98% good |
| FCP | 1.35 s | good | 81.5% good |
| TTFB | 720 ms | good | 77.2% good |
Lab LCP vs Field LCP
The lab LCP is 6.26× the field p75 — real users likely have above-average hardware or network connectivity.
Page weight
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| Page Weight | 1.36 MB | — | — | 1.36 MB | 1.36 MB | |
| Requests | 47 | — | — | 47 | 47 | |
| Third-party Weight | 448 kB | — | — | 448 kB | 448 kB | |
| Third-party CPU | 115 ms | — | — | 115 ms | 115 ms | |
| Unused JS | 320 kB | — | — | 320 kB | 320 kB | |
| Unused CSS | 12.1 kB | — | — | 12.1 kB | 12.1 kB |
By resource type
- script 49% 664 kB · 16 req
- image 33% 448 kB · 9 req
- font 13.5% 183 kB · 7 req
- stylesheet 2.6% 35.2 kB · 9 req
- document 1.4% 19.6 kB · 1 req
- other 0.4% 6.1 kB · 4 req
Third parties 2 entities
448 kB transferred, 115 ms on the main thread.
Page health
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| Main Thread Work | 1.09 s | — | — | 1.09 s | 1.09 s | |
| Long Tasks | 6 | — | — | 6 | 6 | |
| DOM Elements | 952 | — | — | 952 | 952 | |
| Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) | 7 | — | — | 7 | 7 | |
| A11y Failures | 0 | — | — | 0 | 0 | |
| A11y Failing Nodes | 0 | — | — | 0 | 0 |
Main thread work
Axe violations axe-core 4.13.0, full rule set
7 violating nodes across 1 rule, 939 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.
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moderate
region— All page content should be contained by landmarks 7 nodes
Hygiene
Measurement log
Every stored run for this URL, newest first.
| When | Scores | Perf | LCP | CLS | TBT | Weight | Runs | Spread | Bench | Took |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 4, 2026, 11:06 AM UTC | 71 | 9.52 s | 0 | 183 ms | 1.36 MB | 3/3 | ±14 | 1,852 0% | 37.9s |