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

kloh.ch/403.html

https://www.kloh.ch/403.html

98PERF 100A11Y 100BEST 100SEO !AXE –CWV

Ranks Overall #654 Built Awesome #490

Data from Oct 5, 2026, 5:58 PM 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

Self-hosted · Apache Hosted by Self-hosted

Lighthouse Scores LAB Simulated

98
Performance
↑ +1 (+1%)
100
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 2.27 s good ↓ -94 ms (-4%) 2.27 s – 2.37 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 1.60 s good ↓ -94 ms (-5.6%) significant 911 ms – 1.69 s
Speed Index 2.54 s good ↓ -52 ms (-2%) 911 ms – 2.59 s
TTFB Time to First Byte 699 ms good ↓ -94 ms (-11.9%) significant 699 ms – 793 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 1.24 s
time to first byte 100 ms

Page weight

Metric Value Change / range Trend
Page Weight 267 kB ↓ -9 B 267 kB – 267 kB
Requests 9 → no change 9 – 9
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 52.8% 141 kB 1
image 43.3% 116 kB 1
stylesheet 2% 5.3 kB 2
document 1% 2.6 kB 1
other 0.5% 1.4 kB 2
script 0.5% 1.2 kB 1
Total 267 kB 9

Page health

Metric Value Change / range Trend
Main Thread Work 145 ms ↓ -5 ms (-3%) 117 ms – 149 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 58 → no change 58 – 58
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 5 → no change 5 – 5
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

Task Time Share Duration Simulated
other 59% 86 ms
style layout 19% 27 ms
script evaluation 9% 13 ms
parse HTML 6% 9 ms
paint composite render 4% 5 ms
script parse compile 3% 4 ms
Total 145 ms

Axe violations axe-core 4.13.0, full rule set

5 violating nodes across 1 rule, 132 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 5 nodes
    Offending elements
    1. legend 
      <legend class="screen-reader-text">Thème</legend>
    2. #color-mode-dark 
      <input type="radio" id="color-mode-dark" name="theme-mode" value="dark" class="screen-reader-text">
    3. label[for="color-mode-dark"] > .screen-reader-text 
      <span class="screen-reader-text">Mode sombre</span>
    4. #color-mode-light 
      <input type="radio" id="color-mode-light" name="theme-mode" value="light" class="screen-reader-text">
    5. label[for="color-mode-light"] > .screen-reader-text 
      <span class="screen-reader-text">Mode clair</span>

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 5, 2026, 5:58 PM UTC 98 2.27 s 0 0 ms 267 kB 3/3 ±0 2,377 -4% 24.4s Wayback
Sep 28, 2026, 10:39 AM UTC 97 2.37 s 0 0 ms 267 kB 3/3 ±6 2,469 -1% 27.5s Wayback
Sep 21, 2026, 7:39 AM UTC 97 2.37 s 0 0 ms 267 kB 3/3 ±1 2,993 +20% 29.3s Wayback
Sep 14, 2026, 12:48 AM UTC 97 2.34 s 0 0 ms 267 kB 3/3 ±1 2,968 +19% 25.6s Wayback
Sep 6, 2026, 11:32 PM UTC 98 2.32 s 0 0 ms 267 kB 3/3 ±2 2,981 +20% 22.9s Wayback
Aug 30, 2026, 11:15 PM UTC 97 2.29 s 0 0 ms 267 kB 3/3 ±2 2,442 -2% 25.7s Wayback
Aug 21, 2026, 12:49 PM UTC 97 2.28 s 0 0 ms 267 kB 3/3 ±1 2,438 -2% 27.1s Wayback

Embed this score

Use this web component to show kloh.ch/403.html'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://www.kloh.ch/403.html"></speedlify2-score>