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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.

Charts Compare Measurement runs Embed a score Open to Work

jensa.dev

https://jensa.dev/

99PERF 96A11Y 100BEST 100SEO ✗AXE –CWV

Ranks Overall #1,168 Built Awesome #802

Data from Oct 4, 2026, 4:30 AM 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

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

99
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 1.71 s good ↓ -11 ms (-0.6%) 1.71 s – 1.76 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 ↓ -0.045 (-100%) significant 0 – 0.053
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.57 s good ↓ -3 ms (-0.2%) 1.57 s – 1.59 s
Speed Index 1.57 s good ↓ -3 ms (-0.2%) 1.57 s – 1.59 s
TTFB Time to First Byte 642 ms good ↓ -11 ms (-1.7%) 642 ms – 685 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 162 ms
time to first byte 44 ms

Page weight

Metric Value Change / range Trend
Page Weight 94.5 kB ↓ -524 B (-0.6%) 94.5 kB – 95.4 kB
Requests 10 → no change 10 – 10
Third-party Weight 973 B ↓ -492 B (-33.6%) significant 973 B – 1.6 kB
Third-party CPU 2 ms ↑ +1 ms (+53.3%) significant 2 ms – 2 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 69.5% 65.4 kB 2
other 14.8% 13.9 kB 2
script 8.3% 7.8 kB 3
stylesheet 3.9% 3.7 kB 1
document 3.5% 3.3 kB 1
Total 94.5 kB 10

Third parties 1 entities

Entity Transfer Size Main thread Simulated
counter.dev scriptother 973 B 2 ms
Total 973 B 2 ms

Page health

Metric Value Change / range Trend
Main Thread Work 163 ms ↑ +4 ms (+2.7%) 134 ms – 214 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 123 → no change 123 – 123
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 10 → no change 2 – 10
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 9 → no change 9 – 9

Main thread work

Task Time Share Duration Simulated
other 57% 94 ms
script evaluation 16% 27 ms
style layout 15% 25 ms
parse HTML 5% 8 ms
paint composite render 4% 6 ms
script parse compile 2% 4 ms
Total 163 ms

Axe violations axe-core 4.13.0, full rule set

10 violating nodes across 2 rules, 279 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 9 nodes
    Offending elements (5 of 9)
    1. .brand 
      <a class="brand" href="/en" aria-label="J.Anteckningar - Home">J.Anteckningar</a>
    2. a[href$="archive/"] 
      <a class="" href="/en/archive/">Archive</a>
    3. a[href$="about/"] 
      <a class="" href="/en/about/">About</a>
    4. a[href$="projects/"] 
      <a class="" href="/en/projects/">Projects</a>
    5. .lead 
      <p class="lead">
  • moderate landmark-unique — Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 1 node
    Offending element
    1. li:nth-child(6) > .language-switcher 
      <nav class="language-switcher"><a href="/en/" lang="en" hreflang="en" class="active">en</a> <a href="/sv/" lang="sv" hreflang="sv">sv</a></nav>

Accessibility failures 1 of 27 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 9 nodes

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 4, 2026, 4:30 AM UTC 99 1.71 s 0 0 ms 94.5 kB 3/3 ±1 2,711 +9% 23.7s Wayback
Sep 27, 2026, 12:16 AM UTC 99 1.72 s 0.045 0 ms 95.0 kB 3/3 ±1 3,080 +24% 23.2s Wayback
Sep 19, 2026, 10:08 PM UTC 99 1.72 s 0.053 0 ms 95.4 kB 3/3 ±4 2,438 -2% 23.6s Wayback
Sep 12, 2026, 9:14 PM UTC 99 1.73 s 0.045 0 ms 95.2 kB 3/3 ±6 2,513 +1% 23.8s Wayback
Sep 5, 2026, 5:58 PM UTC 99 1.76 s 0 0 ms 95.2 kB 3/3 ±1 2,464 -1% 24.2s Wayback
Aug 29, 2026, 5:00 PM UTC 99 1.71 s 0 0 ms 95.1 kB 3/3 ±4 2,492 0% 23.5s Wayback
Aug 21, 2026, 1:19 AM UTC 99 1.72 s 0 0 ms 95.0 kB 3/3 ±1 3,370 +36% 23.3s Wayback

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