speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time. Follow us on Mastodon or Bluesky.

Charts Compare Measurement runs Embed a score Open to Work

u2spacebaby.u2.com

https://u2spacebaby.u2.com/

76PERF 100A11Y 96BEST 100SEO !AXE –CWV

Ranks Overall #970 Astro Showcase #66

Data from Oct 2, 2026, 7:01 PM UTC old Measured once a month · 1 run since Oct 2, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Tame the Bots · Scoring Calculator · Wayback Machine

Lab data is measured using Lighthouse, Mobile mode unless otherwise specified. Field data is reported from Chrome UX Report (using p75 measurements).

Stack

Astro Built with Astro
Uses ReactReact
Vercel Hosted by Vercel

Lighthouse Scores LAB Simulated

76
Performance
no change
100
Accessibility
no change
96
Best Practices
no change
100
SEO
no change

Metrics LAB

No field data: the Chrome UX Report is not being collected for this project, so every figure below is from the Lighthouse run.

Metric Lab Simulated
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 6.91 s poor — 6.91 s – 6.91 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0 good — 0 – 0
TBT Total Blocking Time 106 ms good — 106 ms – 106 ms
FCP First Contentful Paint 1.06 s good — 1.06 s – 1.06 s
Speed Index 1.06 s good — 1.06 s – 1.06 s
TTFB Time to First Byte 612 ms good — 612 ms – 612 ms

LCP Subparts LAB Unthrottled

The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab LCP shown above is a simulated throttled estimate.

resource load delay 219 ms
element render delay 41 ms
resource load duration 18 ms
time to first byte 5 ms

Page weight

Metric Value Change / range Trend
Page Weight 3.96 MB — 3.96 MB – 3.96 MB
Requests 32 — 32 – 32
Third-party Weight 0 B — 0 B – 0 B
Third-party CPU 0 ms — 0 ms – 0 ms
Unused JS 132 kB — 132 kB – 132 kB
Unused CSS 14.5 kB — 14.5 kB – 14.5 kB

By resource type

Type Transfer Share Size Requests
image 86.1% 3.41 MB 11
script 7.2% 286 kB 10
other 5% 198 kB 5
font 1% 38.8 kB 3
stylesheet 0.5% 21.4 kB 2
document 0.1% 4.0 kB 1
Total 3.96 MB 32

Page health

Metric Value Change / range Trend
Main Thread Work 802 ms — 802 ms – 802 ms
Long Tasks 3 — 3 – 3
DOM Elements 44 — 44 – 44
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 2 — 2 – 2
A11y Failures 0 — 0 – 0
A11y Failing Nodes 0 — 0 – 0

Main thread work

Task Time Share Duration Simulated
script evaluation 52% 417 ms
other 36% 290 ms
style layout 7% 58 ms
script parse compile 2% 15 ms
parse HTML 1% 11 ms
paint composite render 1% 11 ms
Total 802 ms

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 1 rule, 92 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate region — All page content should be contained by landmarks 2 nodes
    Offending elements
    1. h2 
      <h2 class="uppercase font-semibold text-sm font-semibold">Tune in to listen to the Achtung Baby speak</h2>
    2. a > .sr-only 
      <span class="sr-only">Info</span>

Best Practices failures 1 of 19 audits

  • image-aspect-ratio — Displays images with incorrect aspect ratio 4 items

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 2, 2026, 7:01 PM UTC 76 6.91 s 0 106 ms 3.96 MB 3/3 ±16 2,476 0% 24.8s Wayback