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

sandbox.cloudflare.com

https://sandbox.cloudflare.com/

78PERF 96A11Y 100BEST 100SEO ✗AXE –CWV

Ranks Overall #1,355 Astro Showcase #130

Data from Oct 2, 2026, 1:44 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
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

78
Performance
no change
96
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 5.00 s poor — 5.00 s – 5.00 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 2.48 s needs work — 2.48 s – 2.48 s
Speed Index 2.48 s good — 2.48 s – 2.48 s
TTFB Time to First Byte 654 ms good — 654 ms – 654 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 138 ms
time to first byte 57 ms

Page weight

Metric Value Change / range Trend
Page Weight 673 kB — 673 kB – 673 kB
Requests 19 — 19 – 19
Third-party Weight 21.0 kB — 21.0 kB – 21.0 kB
Third-party CPU 5 ms — 5 ms – 5 ms
Unused JS 30.0 kB — 30.0 kB – 30.0 kB
Unused CSS 0 B — 0 B – 0 B

By resource type

Type Transfer Share Size Requests
font 83.9% 564 kB 3
script 12.7% 85.3 kB 11
document 2.5% 16.5 kB 1
stylesheet 1% 6.6 kB 2
other <0.1% 36 B 1
Total 673 kB 19

Third parties 2 entities

Entity Transfer Size Main thread Simulated
Google Fonts font 10.8 kB 0 ms
Cloudflare script 10.2 kB 5 ms
Total 21.0 kB 5 ms

Page health

Metric Value Change / range Trend
Main Thread Work 1.05 s — 1.05 s – 1.05 s
Long Tasks 0 — 0 – 0
DOM Elements 1,366 — 1,366 – 1,366
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 8 — 8 – 8
A11y Failures 2 — 2 – 2
A11y Failing Nodes 9 — 9 – 9

Main thread work

Task Time Share Duration Simulated
other 35% 365 ms
script evaluation 32% 341 ms
paint composite render 19% 201 ms
style layout 10% 107 ms
parse HTML 3% 33 ms
script parse compile 0% 4 ms
Total 1.05 s

Axe violations axe-core 4.13.0, full rule set

8 violating nodes across 1 rule, 750 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 8 nodes
    Offending elements (5 of 8)
    1. .overflow-x-auto > .sm\:p-4.min-h-\[300px\].lg\:min-h-0 > .pl-6.sm\:pl-8.pr-3 > .max-w-full.max-h-full > code > .line:nth-child(9) > span 
      <span style="color:var(--color-neutral-400)"> // Clone a repository</span>
    2. .overflow-x-auto > .sm\:p-4.min-h-\[300px\].lg\:min-h-0 > .pl-6.sm\:pl-8.pr-3 > .max-w-full.max-h-full > code > .line:nth-child(13) > span 
      <span style="color:var(--color-neutral-400)"> // Run tests</span>
    3. .overflow-x-auto > .sm\:p-4.min-h-\[300px\].lg\:min-h-0 > .pl-6.sm\:pl-8.pr-3 > .max-w-full.max-h-full > code > .line:nth-child(18) > span:nth-child(2) 
      <span style="color:var(--color-orange-800)"> "passed"</span>
    4. .overflow-x-auto > .sm\:p-4.min-h-\[300px\].lg\:min-h-0 > .pl-6.sm\:pl-8.pr-3 > .max-w-full.max-h-full > code > .line:nth-child(19) > span:nth-child(2) 
      <span style="color:var(--color-orange-800)"> "failed"</span>
    5. .overflow-x-auto.border-t-0.lg\:hidden > .sm\:p-4.min-h-\[300px\].lg\:min-h-0 > .pl-6.sm\:pl-8.pr-3 > .max-w-full.max-h-full > code > .line:nth-child(7) > span 
      <span style="color:var(--color-neutral-400)"> // Create a project structure</span>

Accessibility failures 2 of 22 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 8 nodes
  • label-content-name-mismatch — Elements with visible text labels do not have matching accessible names. 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Field history 25 weeks

Weekly p75 from the CrUX History API, backfilled in a single request.

Week ending LCPINPCLSFCPTTFB
2026-04-11 → 2026-09-26 No data — 25 weeks under the CrUX reporting threshold

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 2, 2026, 1:44 PM UTC 78 5.00 s 0 0 ms 673 kB 3/3 ±1 2,440 -2% 24.6s Wayback