speedlify2

Lighthouse lab metrics and Chrome UX Report field data for a list of sites, recorded on every run and compared over time.

Measurement runs · Embed a score · Field data from the Chrome UX Report ·

nulle-part.fr

https://www.nulle-part.fr/

58 92 100 92 CWV 9AXE

Data from Aug 21, 2026, 6:48 PM UTC — 25m old.

Built Awesome · 1 measurement · since Aug 21, 2026 · last attempt 25m

Stack

Detected on the same page load as the accessibility pass — the generator from <meta name="generator"> or the shape of the page, the host from response headers.

Build Awesome 4.0.0 Built with Build Awesome 4.0.0
Li Hosted by Self-hosted

Scores

58
Performance
no change
92
Accessibility
no change
100
Best Practices
no change
92
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 8.38 s 8.38 s 8.38 s
CLS Cumulative Layout Shift 0 0 0
TBT Total Blocking Time 0 ms 0 ms 0 ms
FCP First Contentful Paint 7.49 s 7.49 s 7.49 s
Speed Index 7.49 s 7.49 s 7.49 s
TTFB Time to First Byte 735 ms 735 ms 735 ms

What LCP is made of

A flat LCP number tells you something regressed. The subparts tell you whether it was the server, resource discovery, the download, or rendering.

element render delay 1.88 s
resource load duration 360 ms
time to first byte 93 ms
resource load delay 9 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 1.51 MB 1.51 MB 1.51 MB
Requests 10 10 10
Third-party Weight 0 B 0 B 0 B
Third-party CPU 0 ms 0 ms 0 ms
Unused JS 0 B 0 B 0 B
Unused CSS 0 B 0 B 0 B

By resource type

font 1.34 MB · 2 req
image 156.5 kB · 1 req
stylesheet 4.9 kB · 5 req
document 2.3 kB · 1 req
other 788 B · 1 req

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 253 ms 253 ms 253 ms
Long Tasks 0 0 0
DOM Elements 84 84 84
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset 9 9 9
A11y Failures 3 3 3
A11y Failing Nodes 7 7 7

Main thread work

other 126 ms
style layout 96 ms
paint composite render 12 ms
parse HTML 10 ms
script evaluation 9 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

9 violating nodes across 4 rules, 202 passing. This is a standalone axe run, stricter than the subset Lighthouse folds into its score above — and it is the second tiebreaker in the ranking.

  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 5 nodes
  • moderate region — All page content should be contained by landmarks 2 nodes
  • moderate heading-order — Heading levels should only increase by one 1 node
  • moderate landmark-one-main — Document should have one main landmark 1 node

Accessibility failures 3 of 23 audits

Tracked as a count, not just the score — the weighted score is coarse enough that you can ship a broken component and barely move it.

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 5 nodes
  • heading-order — Heading elements are not in a sequentially-descending order 1 node
  • landmark-one-main — Document does not have a main landmark. 1 node

Hygiene

Changes rarely — which is exactly why a change is worth noticing.

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first. Failures are kept as records — "this site was down on Tuesday" is data too.

When PerfLCPCLSTBTWeight RunsSpreadBenchTook
Aug 21, 2026, 6:48 PM UTC 58 8.38 s 0 0 ms 1.51 MB 3/3 ±42 2,409 27.1s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show nulle-part.fr's scores, updated whenever this instance re-measures — more about the component. Don’t forget to bundle the speedlify-score.js component code into your site!

<speedlify-score speedlify-url="https://zachleat.github.io/speedlify2/" url="https://www.nulle-part.fr/"></speedlify-score>