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

darius.codes

https://darius.codes/

76PERF 93A11Y 100BEST 100SEO ✗AXE –CWV

Ranks Overall #1,405 11ty Emeritus

Data from Oct 3, 2026, 7:39 AM UTC old Measured once a week · 7 runs since Aug 20, 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

SvelteKit Built with SvelteKit
Uses SvelteSvelte
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

76
Performance
no change
93
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 4.19 s poor ↓ -20 ms (-0.5%) 3.50 s – 4.48 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.001 good → no change 0.001 – 0.001
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 4.12 s poor ↓ -20 ms (-0.5%) 3.50 s – 4.36 s
Speed Index 4.12 s needs work ↓ -20 ms (-0.5%) 3.50 s – 4.36 s
TTFB Time to First Byte 472 ms good ↓ -6 ms (-1.3%) 472 ms – 664 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 203 ms
time to first byte 14 ms

Page weight

Metric Value Change / range Trend
Page Weight 449 kB ↓ -120 B 449 kB – 451 kB
Requests 38 → no change 38 – 40
Third-party Weight 10.2 kB → no change 9.6 kB – 11.5 kB
Third-party CPU 7 ms ↑ +1 ms (+17.5%) 4 ms – 9 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
font 72.6% 326 kB 5
script 23.2% 104 kB 25
stylesheet 2.5% 11.1 kB 4
document 1.5% 6.9 kB 1
other 0.2% 1.0 kB 2
Total 449 kB 38

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Cloudflare script 10.2 kB 7 ms
Total 10.2 kB 7 ms

Page health

Metric Value Change / range Trend
Main Thread Work 1.29 s ↑ +122 ms (+10.5%) 1.03 s – 1.42 s
Long Tasks 4 ↑ +1 (+33.3%) 3 – 5
DOM Elements 263 → no change 263 – 263
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 42 → no change 1 – 42
A11y Failures 2 → no change 2 – 2
A11y Failing Nodes 42 → no change 42 – 42

Main thread work

Task Time Share Duration Simulated
other 61% 784 ms
script evaluation 19% 246 ms
style layout 14% 187 ms
paint composite render 3% 43 ms
parse HTML 2% 25 ms
script parse compile 0% 4 ms
Total 1.29 s

Axe violations axe-core 4.13.0, full rule set

42 violating nodes across 2 rules, 350 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 41 nodes
    Offending elements (5 of 41)
    1. .btn-primary 
      <a href="/writing" class="btn-primary svelte-1uha8ag">Read the blog <span class="svelte-1uha8ag">→</span></a>
    2. div:nth-child(1) > .hero-stat-label 
      <div class="hero-stat-label svelte-1uha8ag">Open Source Projects</div>
    3. div:nth-child(2) > .hero-stat-label 
      <div class="hero-stat-label svelte-1uha8ag">Infrastructure</div>
    4. div:nth-child(3) > .hero-stat-label 
      <div class="hero-stat-label svelte-1uha8ag">Runtime of Choice</div>
    5. div:nth-child(4) > .hero-stat-label 
      <div class="hero-stat-label svelte-1uha8ag">Database</div>
  • moderate heading-order — Heading levels should only increase by one 1 node
    Offending element
    1. .footer-col.svelte-jz8lnl:nth-child(2) > h4 
      <h4 class="svelte-jz8lnl">Writing</h4>

Accessibility failures 2 of 21 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 41 nodes
  • heading-order — Heading elements are not in a sequentially-descending order 1 node

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 3, 2026, 7:39 AM UTC 76 4.19 s 0.001 0 ms 449 kB 3/3 ±3 2,407 -3% 23.4s Wayback
Sep 26, 2026, 3:43 AM UTC 76 4.21 s 0.001 0 ms 449 kB 3/3 ±7 2,475 0% 24.6s Wayback
Sep 18, 2026, 11:06 PM UTC 83 3.50 s 0.001 0 ms 449 kB 3/3 ±26 2,556 +3% 24.2s Wayback
Sep 11, 2026, 8:33 PM UTC 83 3.51 s 0.001 0 ms 449 kB 3/3 ±16 2,625 +6% 25.3s Wayback
Sep 4, 2026, 6:10 PM UTC 74 4.41 s 0.001 0 ms 449 kB 3/3 ±4 2,249 -10% 23.8s Wayback
Aug 28, 2026, 5:54 PM UTC 73 4.48 s 0.001 0 ms 450 kB 3/3 ±4 2,307 -7% 23.7s Wayback
Aug 20, 2026, 8:29 PM UTC 74 4.44 s 0.001 0 ms 451 kB 3/3 ±15 2,366 -5% 28.3s Wayback