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

ultrafine.co

https://ultrafine.co/

83PERF 100A11Y 100BEST 100SEO !AXE –CWV

Ranks Overall #908 Astro Showcase #58

Data from Oct 2, 2026, 6:59 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 5.16.6 Built with Astro 5.16.6
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

83
Performance
no change
100
Accessibility
no change
100
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 4.29 s poor — 4.29 s – 4.29 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 0 ms good — 0 ms – 0 ms
FCP First Contentful Paint 2.19 s needs work — 2.19 s – 2.19 s
Speed Index 2.19 s good — 2.19 s – 2.19 s
TTFB Time to First Byte 481 ms good — 481 ms – 481 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.

element render delay 105 ms
time to first byte 50 ms

Page weight

Metric Value Change / range Trend
Page Weight 3.18 MB — 3.18 MB – 3.18 MB
Requests 29 — 29 – 29
Third-party Weight 12.6 kB — 12.6 kB – 12.6 kB
Third-party CPU 8 ms — 8 ms – 8 ms
Unused JS 0 B — 0 B – 0 B
Unused CSS 0 B — 0 B – 0 B

By resource type

Type Transfer Share Size Requests
media 54.5% 1.73 MB 3
image 35.9% 1.14 MB 13
font 8.3% 263 kB 3
script 0.7% 20.8 kB 5
document 0.4% 14.3 kB 1
stylesheet 0.1% 4.5 kB 1
other 0.1% 2.2 kB 3
Total 3.18 MB 29

Third parties 2 entities

Entity Transfer Size Main thread Simulated
Cloudflare script 10.2 kB 6 ms
Plausible script 2.4 kB 3 ms
Total 12.6 kB 8 ms

Page health

Metric Value Change / range Trend
Main Thread Work 974 ms — 974 ms – 974 ms
Long Tasks 0 — 0 – 0
DOM Elements 241 — 241 – 241
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 1 — 1 – 1
A11y Failures 0 — 0 – 0
A11y Failing Nodes 0 — 0 – 0

Main thread work

Task Time Share Duration Simulated
other 52% 503 ms
script evaluation 28% 272 ms
style layout 11% 108 ms
paint composite render 6% 62 ms
parse HTML 3% 26 ms
script parse compile 0% 3 ms
Total 974 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 389 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 1 node
    Offending element
    1. p[data-astro-cid-o54ltyzl=""]
      <p data-astro-cid-o54ltyzl=""><a href="https://themes.shopify.com/themes/primavera/presets/savoir" class="announcement-bar__link" data-astro-cid-o54ltyzl="">Discover Primavera, the Shopify theme trus…

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 2, 2026, 6:59 PM UTC 83 4.29 s 0 0 ms 3.18 MB 3/3 ±25 2,485 0% 28.2s Wayback