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.

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jandewil.de

https://jandewil.de/

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

Ranks Overall #349 Built Awesome #272

Data from Oct 4, 2026, 4:29 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 2.0.1 Built with Eleventy 2.0.1
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

99
Performance
no change
100
Accessibility
no change
96
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 2.20 s good ↓ -5 ms (-0.2%) 2.18 s – 2.21 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 → no change 0 – 0
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 925 ms good ↓ -5 ms (-0.5%) 904 ms – 935 ms
Speed Index 925 ms good ↓ -5 ms (-0.5%) 904 ms – 935 ms
TTFB Time to First Byte 625 ms good ↓ -5 ms (-0.8%) 604 ms – 635 ms

Page weight

Metric Value Change / range Trend
Page Weight 256 kB ↓ -36 B 256 kB – 256 kB
Requests 8 → no change 8 – 8
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
font 88.9% 227 kB 1
stylesheet 3.9% 10.0 kB 1
image 3.9% 10.0 kB 2
document 2.5% 6.3 kB 1
other 0.8% 2.1 kB 2
Total 256 kB 8

Page health

Metric Value Change / range Trend
Main Thread Work 234 ms ↑ +31 ms (+15.3%) 178 ms – 234 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 201 → no change 201 – 201
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 → no change 0 – 88
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

Task Time Share Duration Simulated
other 52% 122 ms
style layout 31% 72 ms
script evaluation 6% 15 ms
paint composite render 6% 14 ms
parse HTML 4% 10 ms
script parse compile 1% 1 ms
Total 234 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 474 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Best Practices failures 1 of 19 audits

  • image-size-responsive — Serves images with low resolution 1 item

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, 4:29 AM UTC 99 2.20 s 0 0 ms 256 kB 3/3 ±17 2,809 +13% 29.9s Wayback
Sep 27, 2026, 12:16 AM UTC 99 2.21 s 0 0 ms 256 kB 3/3 ±28 3,111 +25% 25.8s Wayback
Sep 19, 2026, 10:07 PM UTC 99 2.18 s 0 0 ms 256 kB 3/3 ±1 2,500 +1% 23.8s Wayback
Sep 12, 2026, 9:14 PM UTC 99 2.20 s 0 0 ms 256 kB 3/3 ±6 2,497 0% 27.4s Wayback
Sep 5, 2026, 5:57 PM UTC 99 2.19 s 0 0 ms 256 kB 3/3 ±1 2,486 0% 23.5s Wayback
Aug 29, 2026, 5:00 PM UTC 99 2.20 s 0 0 ms 256 kB 3/3 ±1 2,487 0% 23.5s Wayback
Aug 21, 2026, 1:18 AM UTC 99 2.21 s 0 0 ms 256 kB 3/3 ±1 3,458 +39% 22.4s Wayback

Embed this score

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