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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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henry.codes

https://henry.codes/

75PERF 97A11Y 96BEST 100SEO ✗AXE !CWV

Ranks Overall #1,610 Built Awesome #1,063

Data from Oct 3, 2026, 11:35 PM 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

Eleventy Built with Eleventy
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

75
Performance
↓ -4 (-5.1%)
97
Accessibility
no change
96
Best Practices
no change
100
SEO
no change

Metrics LAB FIELD

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

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-09-04 → 2026-10-01), url-level.

Metric Lab Simulated Field
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 4.69 s poor ↑ +130 ms (+2.9%) 4.08 s – 4.77 s 2.53 s needs work 77.3% 14.3% 8.4%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a — 79 ms good site-wide 97.6% 2.4% 0%
CLS CWV Cumulative Layout Shift 0 good ↓ -0.005 (-100%) significant 0 – 0.005 0 good 88.6% 5.8% 5.7%
TBT Total Blocking Time 59 ms good ↑ +37 ms (+168.2%) 5 ms – 126 ms n/a —
FCP First Contentful Paint 2.89 s needs work ↑ +169 ms (+6.2%) 2.56 s – 2.89 s 2.41 s needs work 54.3% 30.4% 15.3%
Speed Index 4.83 s needs work ↑ +1413 ms (+41.4%) 3.37 s – 5.13 s n/a —
TTFB Time to First Byte 711 ms good ↑ +55 ms (+8.4%) significant 656 ms – 719 ms 1.23 s needs work 41.2% 48.9% 10%

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 1.99 s
resource load duration 201 ms
time to first byte 129 ms
resource load delay 22 ms

LCP LAB Simulated vs LCP FIELD

Lab 4.69 s
Field p75 2.53 s

The lab LCP is 1.86× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 654 kB ↑ +202 B 575 kB – 654 kB
Requests 49 → no change 48 – 49
Third-party Weight 3.2 kB ↑ +5 B (+0.2%) 3.2 kB – 3.2 kB
Third-party CPU 2 ms ↓ -1 ms (-32.1%) significant 1 ms – 3 ms
Unused JS 43.4 kB ↑ +3 B 43.4 kB – 43.5 kB
Unused CSS 11.3 kB → no change 10.6 kB – 11.3 kB

By resource type

Type Transfer Share Size Requests
font 51.1% 334 kB 8
script 24% 157 kB 30
image 16.8% 110 kB 4
document 5.1% 33.5 kB 1
stylesheet 2.2% 14.7 kB 2
other 0.8% 4.9 kB 4
Total 654 kB 49

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 1.45 s ↓ -668 ms (-31.5%) 1.28 s – 2.97 s
Long Tasks 1 ↓ -3 (-75%) 1 – 4
DOM Elements 566 → no change 555 – 566
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 49 → no change 38 – 49
A11y Failures 2 → no change 2 – 2
A11y Failing Nodes 2 → no change 2 – 2

Main thread work

Task Time Share Duration Simulated
other 42% 615 ms
script evaluation 21% 301 ms
style layout 19% 278 ms
paint composite render 11% 162 ms
parse HTML 6% 86 ms
script parse compile 1% 8 ms
garbage collection 0% 3 ms
Total 1.45 s

Axe violations axe-core 4.13.0, full rule set

49 violating nodes across 4 rules, 839 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate region — All page content should be contained by landmarks 46 nodes
    Offending elements (5 of 46)
    1. .callout 
      <article class="callout"> <h1 class="callout__title">Trans women are women. Trans rights are human rights. <em>Fix your heart or die</em>.</h1> </article>
    2. hgroup 
      <hgroup>
    3. .home-hero__warning 
      <span class="home-hero__warning">(Scroll with caution and with care.)</span>
    4. .home-hero__marquee-inner[data-marquee-inner=""]:nth-child(1) > .tidal-widget > .tidal-widget__inner 
      <div class="tidal-widget__inner"> <a href="https://tidal.com/browse/track/317105228" class="tidal-widget__track">La Alhambra</a>, <span class="tidal-widget__artists">Marina Herlop</span> </div>
    5. .home-hero__marquee-inner[data-marquee-inner=""]:nth-child(1) > span:nth-child(2) 
      <span>—</span>
  • moderate landmark-one-main — Document should have one main landmark 1 node
    Offending element
    1. html 
      <html lang="en">
  • moderate landmark-unique — Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 1 node
    Offending element
    1. .page-nav 
      <nav class="page-nav page-nav--inert" style="opacity: 0;">
  • serious svg-img-alt — <svg> elements with an img or image role must have alternative text 1 node
    Offending element
    1. svg[role="img"] 
      <svg role="img" viewBox="0 0 24 24" fill="currentColor" xmlns="http://www.w3.org/2000/svg" class="case-study-row__logo">

Accessibility failures 2 of 24 audits

  • landmark-one-main — Document does not have a main landmark. 1 node
  • svg-img-alt — SVG elements with an `img` role do not have an accessible text alternative 1 node

Best Practices failures 1 of 18 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

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-09-26 2.54 s 78 ms 0 2.54 s 1.26 s
2026-09-19 2.26 s 74 ms 0 2.27 s 1.14 s
2026-09-12 2.41 s 72 ms 0 2.40 s 1.24 s
2026-09-05 2.26 s 71 ms 0 2.19 s 1.07 s
2026-08-29 1.45 s 72 ms 0 1.44 s 866 ms
2026-08-22 1.76 s — 0 1.68 s 922 ms
2026-08-15 2.52 s — 0 2.27 s 1.13 s
2026-08-08 2.33 s — 0 2.20 s 1.11 s
2026-08-01 2.25 s — 0 2.13 s 1.08 s
2026-07-25 2.12 s — 0 2.04 s 1.11 s
2026-07-18 2.04 s — 0 1.94 s 993 ms
2026-07-11 1.86 s 84 ms 0 1.77 s 910 ms

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 3, 2026, 11:35 PM UTC 75 4.69 s 0 59 ms 654 kB 3/3 ±14 2,487 0% 40.9s Wayback
Sep 26, 2026, 9:54 PM UTC 79 4.56 s 0.005 22 ms 653 kB 3/3 ±15 2,491 0% 37.8s Wayback
Sep 19, 2026, 7:14 PM UTC 78 4.08 s 0 126 ms 575 kB 3/3 ±3 2,307 -7% 42s Wayback
Sep 12, 2026, 6:11 PM UTC 75 4.77 s 0 88 ms 654 kB 3/3 ±22 2,333 -6% 42.3s Wayback
Sep 5, 2026, 3:51 PM UTC 75 4.68 s 0 37 ms 653 kB 3/3 ±3 2,831 +14% 36.3s Wayback
Aug 29, 2026, 12:30 PM UTC 79 4.64 s 0 5 ms 654 kB 3/3 ±13 2,492 0% 32.4s Wayback
Aug 20, 2026, 11:37 PM UTC 77 4.65 s 0 60 ms 654 kB 3/3 ±13 2,380 -4% 33.6s Wayback

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