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

muted.io

https://muted.io/

61PERF 96A11Y 100BEST 100SEO !AXE βœ“CWV

Ranks Overall #1,034 Built Awesome #738

Data from Oct 4, 2026, 11:05 AM UTC old Measured once a week Β· 7 runs since Aug 21, 2026

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

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Lighthouse Scores LAB Simulated

61
Performance
↓ -12 (-16.4%)
96
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Metrics LAB FIELD

Core Web Vitals: passing 3 of 3 assessed from real Chrome users.

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-09-05 → 2026-10-02), url-level.

Metric Lab Simulated Field
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 4.73 s poor ↑ +1862 ms (+65%) 2.87 s – 4.80 s 1.32 s good 91.4% 5.4% 3.2%
INP CWV Interaction to Next Paint β€” field only, no lab run can measure it n/a — 106 ms good 93.2% 6% 0.8%
CLS CWV Cumulative Layout Shift 0.568 poor ↓ -0.020 (-3.4%) 0.544 – 0.632 0 good 89.3% 2.5% 8.3%
TBT Total Blocking Time 0 ms good ↓ -19 ms (-100%) 0 ms – 86 ms n/a —
FCP First Contentful Paint 1.20 s good ↑ +158 ms (+15.1%) significant 1.02 s – 1.20 s 1.10 s good 88.4% 7.3% 4.4%
Speed Index 1.20 s good ↑ +158 ms (+15.1%) significant 1.02 s – 1.20 s n/a —
TTFB Time to First Byte 603 ms good ↓ -25 ms (-4%) 603 ms – 628 ms 720 ms good 78.3% 15.7% 6%

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 197 ms
time to first byte 5 ms

LCP LAB Simulated vs LCP FIELD

Lab 4.73 s
Field p75 1.32 s

The lab LCP is 3.57Γ— the field p75 β€” real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 1.22 MB ↓ -94 B 1.22 MB – 1.22 MB
Requests 50 β†’ no change 50 – 50
Third-party Weight 3.2 kB ↑ +1 B 3.2 kB – 3.2 kB
Third-party CPU 2 ms ↑ +1 ms (+71.4%) significant 1 ms – 2 ms
Unused JS 0 B β†’ no change 0 B – 0 B
Unused CSS 0 B β†’ no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
image 93.4% 1.14 MB 40
font 2.2% 26.7 kB 1
other 1.7% 20.5 kB 4
document 1.6% 19.9 kB 1
script 0.8% 9.7 kB 2
stylesheet 0.3% 4.1 kB 1
Total 1.22 MB 50

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Fathom Analytics script 3.2 kB 2 ms
Total 3.2 kB 2 ms

Page health

Metric Value Change / range Trend
Main Thread Work 1.80 s ↓ -658 ms (-26.8%) significant 1.80 s – 3.05 s
Long Tasks 1 ↓ -1 (-50%) 1 – 4
DOM Elements 646 β†’ no change 646 – 675
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 4 β†’ no change 4 – 7
A11y Failures 1 β†’ no change 1 – 2
A11y Failing Nodes 1 β†’ no change 1 – 3

Main thread work

Task Time Share Duration Simulated
style layout 37% 663 ms
other 30% 545 ms
paint composite render 29% 513 ms
script evaluation 2% 37 ms
parse HTML 1% 26 ms
garbage collection 0% 9 ms
script parse compile 0% 3 ms
Total 1.80 s

Axe violations axe-core 4.13.0, full rule set

4 violating nodes across 2 rules, 987 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate region β€” All page content should be contained by landmarks 3 nodes
    Offending elements
    1. #wrapper > .px-6
      <div class="px-6">
    2. .m-auto.text-center
      <div class="text-center m-auto"> <img id="footer-cof" class="footer-cof" width="275" height="275" loading="lazy" src="/images/circle-of-fifths/circle-of-fifths-footer-3.svg" alt="Circle of fifths wit…
    3. .theme-switch-wrapper
      <div class="theme-switch-wrapper absolute top-0 left-0 ml-2 sm:ml-4"> <input type="checkbox" id="themeSwitch" name="theme-switch" class="theme-switch__input" checked="checked"> <label for="themeSwitc…
  • serious aria-prohibited-attr β€” Elements must only use permitted ARIA attributes 1 node
    Offending element
    1. label
      <label for="themeSwitch" class="theme-switch__label" aria-label="Color theme switcher"><span></span></label>

Accessibility failures 1 of 29 audits

  • aria-prohibited-attr β€” Elements use prohibited ARIA attributes 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
2026-09-26 1.34 s 107 ms 0 1.11 s 726 ms
2026-09-19 1.33 s 107 ms 0 1.09 s 711 ms
2026-09-12 1.29 s 106 ms 0 1.07 s 698 ms
2026-09-05 1.27 s 105 ms 0 1.05 s 686 ms
2026-08-29 1.24 s 103 ms 0 1.02 s 669 ms
2026-08-22 1.24 s 102 ms 0 1.02 s 675 ms
2026-08-15 1.27 s 102 ms 0 1.04 s 685 ms
2026-08-08 1.28 s 103 ms 0 1.04 s 688 ms
2026-08-01 1.33 s 107 ms 0 1.08 s 738 ms
2026-07-25 1.32 s 106 ms 0 1.07 s 743 ms
2026-07-18 1.33 s 106 ms 0 1.08 s 765 ms
2026-07-11 1.35 s 107 ms 0 1.11 s 776 ms

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 4, 2026, 11:05 AM UTC 61 4.73 s 0.568 0 ms 1.22 MB 3/3 Β±1 2,994 +20% 24.5s Wayback
Sep 27, 2026, 6:26 AM UTC 73 2.87 s 0.588 19 ms 1.22 MB 3/3 Β±5 2,488 0% 28.2s Wayback
Sep 20, 2026, 12:51 AM UTC 62 4.53 s 0.544 86 ms 1.22 MB 3/3 Β±1 2,465 -1% 28.5s Wayback
Sep 12, 2026, 11:56 PM UTC 72 3.09 s 0.550 12 ms 1.22 MB 3/3 Β±8 2,415 -3% 28.7s Wayback
Sep 5, 2026, 10:43 PM UTC 60 4.80 s 0.632 0 ms 1.22 MB 3/3 Β±1 2,452 -1% 27.6s Wayback
Aug 29, 2026, 10:24 PM UTC 64 4.34 s 0.544 28 ms 1.22 MB 3/3 Β±11 2,481 0% 29s Wayback
Aug 21, 2026, 5:37 AM UTC 60 4.80 s 0.632 0 ms 1.22 MB 3/3 Β±16 2,484 0% 29.1s Wayback

Embed this score

Use this web component to show muted.io'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://muted.io/"></speedlify2-score>