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

starlight.catppuccin.com

https://starlight.catppuccin.com/

94PERF 95A11Y 100BEST 100SEO !AXE –CWV

Ranks Overall #807 Astro Showcase #45

Data from Oct 2, 2026, 7:00 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 7.0.3 Built with Astro 7.0.3
GitHub Pages Hosted by GitHub Pages

Lighthouse Scores LAB Simulated

94
Performance
no change
95
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 2.25 s good — 2.25 s – 2.25 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.125 needs work — 0.125 – 0.125
TBT Total Blocking Time 0 ms good — 0 ms – 0 ms
FCP First Contentful Paint 1.21 s good — 1.21 s – 1.21 s
Speed Index 1.21 s good — 1.21 s – 1.21 s
TTFB Time to First Byte 605 ms good — 605 ms – 605 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 51 ms
resource load delay 9 ms
resource load duration 7 ms
time to first byte 6 ms

Page weight

Metric Value Change / range Trend
Page Weight 277 kB — 277 kB – 277 kB
Requests 11 — 11 – 11
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

Type Transfer Share Size Requests
image 59.8% 166 kB 2
font 17.5% 48.6 kB 2
script 9% 25.1 kB 3
other 5.8% 16.0 kB 1
stylesheet 4.9% 13.5 kB 2
document 3% 8.2 kB 1
Total 277 kB 11

Page health

Metric Value Change / range Trend
Main Thread Work 262 ms — 262 ms – 262 ms
Long Tasks 0 — 0 – 0
DOM Elements 110 — 110 – 110
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 2 — 2 – 2
A11y Failures 1 — 1 – 1
A11y Failing Nodes 2 — 2 – 2

Main thread work

Task Time Share Duration Simulated
other 54% 142 ms
style layout 23% 61 ms
script evaluation 13% 34 ms
parse HTML 6% 16 ms
paint composite render 3% 8 ms
script parse compile 1% 3 ms
Total 262 ms

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 1 rule, 123 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Accessibility failures 1 of 20 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 2 nodes

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, 7:00 PM UTC 94 2.25 s 0.125 0 ms 277 kB 3/3 ±6 2,369 -5% 20.6s Wayback