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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catraxx.de

https://catraxx.de/

95PERF 95A11Y 96BEST 100SEO ✗AXE –CWV

Ranks Overall #1,256 Built Awesome #860

Data from Oct 3, 2026, 1:53 AM 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
Self-hosted · Apache Hosted by Self-hosted

Lighthouse Scores LAB Simulated

95
Performance
no change
95
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 2.31 s good ↑ +26 ms (+1.1%) 2.01 s – 2.49 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.017 good ↑ +0.017 0 – 0.017
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.79 s good ↑ +47 ms (+2.7%) 1.41 s – 1.93 s
Speed Index 4.24 s needs work ↓ -9 ms (-0.2%) 3.88 s – 4.36 s
TTFB Time to First Byte 811 ms needs work ↑ +98 ms (+13.7%) 704 ms – 962 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 2.21 s
time to first byte 328 ms

Page weight

Metric Value Change / range Trend
Page Weight 121 kB ↑ +46 B 121 kB – 121 kB
Requests 26 → no change 26 – 26
Third-party Weight 2.1 kB → no change 2.1 kB – 2.1 kB
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 61% 71.7 kB 18
font 30.1% 35.3 kB 2
stylesheet 5.5% 6.5 kB 1
document 3.5% 4.1 kB 1
Total 121 kB 26

Third parties 1 entities

Entity Transfer Size Main thread Simulated
potatoe.ca image 2.1 kB 0 ms
Total 2.1 kB 0 ms

Page health

Metric Value Change / range Trend
Main Thread Work 241 ms ↑ +16 ms (+7.3%) significant 205 ms – 241 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 126 → no change 126 – 126
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 9 → no change 9 – 9
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 2 → no change 2 – 2

Main thread work

Task Time Share Duration Simulated
other 65% 156 ms
style layout 21% 51 ms
paint composite render 7% 17 ms
parse HTML 4% 9 ms
script evaluation 3% 8 ms
script parse compile 0% 1 ms
Total 241 ms

Axe violations axe-core 4.13.0, full rule set

9 violating nodes across 3 rules, 310 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 6 nodes
    Offending elements (5 of 6)
    1. #button-start 
      <input type="radio" class="nav--button" id="button-start" name="navigation" checked="checked">
    2. #button-history 
      <input type="radio" class="nav--button" id="button-history" name="navigation">
    3. #button-music 
      <input type="radio" class="nav--button" id="button-music" name="navigation">
    4. #color-settings--button-night 
      <input type="radio" class="color-settings--button-night" id="color-settings--button-night" name="color-selector">
    5. #color-settings--button-light 
      <input type="radio" class="color-settings--button-light" id="color-settings--button-light" name="color-selector">
  • serious aria-prohibited-attr — Elements must only use permitted ARIA attributes 2 nodes
    Offending elements
    1. .night 
      <label for="color-settings--button-night" class="color-settings--button-label night" aria-label="Color Scheme Dark"></label>
    2. .light 
      <label for="color-settings--button-light" class="color-settings--button-label light" aria-label="Color Scheme Light"></label>
  • moderate page-has-heading-one — Page should contain a level-one heading 1 node
    Offending element
    1. html 
      <html lang="en" webc:keep="">

Accessibility failures 1 of 21 audits

  • aria-prohibited-attr — Elements use prohibited ARIA attributes 2 nodes

Best Practices failures 1 of 19 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 3, 2026, 1:53 AM UTC 95 2.31 s 0.017 0 ms 121 kB 3/3 ±6 2,486 0% 28.8s Wayback
Sep 25, 2026, 11:59 PM UTC 95 2.28 s 0 0 ms 121 kB 3/3 ±5 2,510 +1% 29.9s Wayback
Sep 18, 2026, 8:35 PM UTC 95 2.33 s 0 0 ms 121 kB 3/3 ±6 2,487 0% 29.1s Wayback
Sep 11, 2026, 5:41 PM UTC 94 2.48 s 0 0 ms 121 kB 3/3 ±5 2,323 -7% 29.4s Wayback
Sep 4, 2026, 2:57 PM UTC 94 2.49 s 0 0 ms 121 kB 3/3 ±5 2,494 0% 29.6s Wayback
Aug 28, 2026, 1:57 PM UTC 95 2.33 s 0 0 ms 121 kB 3/3 ±6 2,286 -8% 29.1s Wayback
Aug 20, 2026, 7:37 PM UTC 97 2.01 s 0 0 ms 121 kB 3/3 ±5 2,428 -2% 29.3s Wayback

Embed this score

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