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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.

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spiral11.com

https://spiral11.com/

100PERF 97A11Y 96BEST 100SEO !AXE –CWV

Ranks Overall #750 Built Awesome #558

Data from Oct 4, 2026, 10:49 PM UTC old Measured once a week · 7 runs since Aug 21, 2026

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

The measuring machine was faster than most in this project.

Lighthouse benchmark index was 4,421, 78% faster than this project's median of 2,486. CPU-bound metrics — TBT, TTI, main thread work — are affected by this and may have moved without the site changing at all.

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

Stack

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Lighthouse Scores LAB Simulated

100
Performance
no change
97
Accessibility
no change
96
Best Practices
↓ -4 (-4%)
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 930 ms good ↓ -668 ms (-41.8%) significant 909 ms – 1.60 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 – 12 ms
FCP First Contentful Paint 835 ms good ↑ +21 ms (+2.6%) 814 ms – 1.01 s
Speed Index 835 ms good ↑ +21 ms (+2.6%) 814 ms – 1.32 s
TTFB Time to First Byte 630 ms good ↑ +11 ms (+1.8%) 609 ms – 810 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 67 ms
time to first byte 31 ms

Page weight

Metric Value Change / range Trend
Page Weight 843 kB ↓ -3.0 kB (-0.4%) 843 kB – 846 kB
Requests 33 ↓ -1 (-2.9%) 33 – 34
Third-party Weight 0 B → no change 0 B – 0 B
Third-party CPU 0 ms → no change 0 ms – 0 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
image 86.2% 727 kB 22
other 9.1% 76.3 kB 4
font 2.5% 21.4 kB 1
document 1.3% 11.1 kB 1
script 0.7% 5.8 kB 2
stylesheet 0.2% 1.8 kB 1
Total 843 kB 33

Page health

Metric Value Change / range Trend
Main Thread Work 410 ms ↑ +100 ms (+32.3%) 310 ms – 579 ms
Long Tasks 1 ↑ +1 0 – 1
DOM Elements 242 ↓ -1 (-0.4%) 242 – 243
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 5 → no change 4 – 5
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 4 → no change 4 – 4

Main thread work

Task Time Share Duration Simulated
other 48% 195 ms
style layout 33% 134 ms
paint composite render 10% 40 ms
script evaluation 6% 26 ms
parse HTML 3% 13 ms
script parse compile 0% 2 ms
Total 410 ms

Axe violations axe-core 4.13.0, full rule set

5 violating nodes across 2 rules, 524 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 4 nodes
    Offending elements
    1. h1 
      <h1 class="page-title text-5xl text-center md:mb-12 md:text-right">👋 Welcome to Spiral11</h1>
    2. .lg\:text-5xl 
      <p class="lg:text-5xl text-justify">
    3. .px-8 > .pb-4.max-w-3xl 
      <p class="pb-4 max-w-3xl">
    4. .px-8 > p:nth-child(2) 
      <p>◈ Brand names and trademarks are the property of their respective owner.</p>
  • moderate region — All page content should be contained by landmarks 1 node
    Offending element
    1. .px-8 
      <div class="m-auto mb-16 container px-8 text-center lg:text-left text-base00 font-medium">

Accessibility failures 1 of 30 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 4 nodes

Best Practices failures 1 of 20 audits

  • errors-in-console — Browser errors were logged to the console 1 item

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2 1 console error

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 4, 2026, 10:49 PM UTC 100 930 ms 0.001 0 ms 843 kB 3/3 ±0 4,421 +78% 22.4s Wayback
Sep 27, 2026, 8:59 PM UTC 100 1.60 s 0.001 0 ms 846 kB 3/3 ±0 4,569 +84% 22.1s Wayback
Sep 20, 2026, 2:38 PM UTC 100 1.60 s 0.001 0 ms 846 kB 3/3 ±0 3,070 +23% 23.2s Wayback
Sep 13, 2026, 1:52 PM UTC 100 909 ms 0.001 0 ms 843 kB 3/3 ±0 2,472 -1% 23.3s Wayback
Sep 6, 2026, 10:27 AM UTC 100 926 ms 0.001 0 ms 843 kB 3/3 ±0 2,331 -6% 24.8s Wayback
Aug 30, 2026, 8:01 AM UTC 100 926 ms 0.001 0 ms 843 kB 3/3 ±0 2,657 +7% 25.1s Wayback
Aug 21, 2026, 8:42 AM UTC 100 1.04 s 0.001 12 ms 843 kB 3/3 ±0 2,484 0% 25.1s Wayback

Embed this score

Use this web component to show spiral11.com's scores on any website, updated whenever this instance re-measures. Don’t forget to bundle the speedlify2-score.js component code into your site! 

<speedlify2-score speedlify-url="https://www.speedlify.dev/" url="https://spiral11.com/"></speedlify2-score>