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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csenf.de

https://csenf.de/

94PERF 92A11Y 100BEST 82SEO !AXE –CWV

Ranks Overall #999 Built Awesome #718

Data from Oct 3, 2026, 7:38 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 3.1.1 Built with Eleventy 3.1.1
Self-hosted · Apache Hosted by Self-hosted

Lighthouse Scores LAB Simulated

94
Performance
↓ -1 (-1.1%)
92
Accessibility
no change
100
Best Practices
no change
82
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 2.46 s good ↑ +17 ms (+0.7%) 1.26 s – 2.46 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 – 0.024
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 2.31 s needs work ↑ +17 ms (+0.7%) 1.26 s – 2.31 s
Speed Index 2.87 s good ↑ +43 ms (+1.5%) 1.73 s – 2.87 s
TTFB Time to First Byte 813 ms needs work ↑ +17 ms (+2.1%) 659 ms – 813 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 1.17 s
time to first byte 225 ms

Page weight

Metric Value Change / range Trend
Page Weight 296 kB ↑ +3 B 291 kB – 296 kB
Requests 6 → no change 6 – 6
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 63.4% 173 kB 3
stylesheet 33.9% 92.7 kB 1
document 2.7% 7.4 kB 1
Total 296 kB 6

Page health

Metric Value Change / range Trend
Main Thread Work 254 ms ↑ +48 ms (+23.5%) 206 ms – 313 ms
Long Tasks 1 ↑ +1 0 – 1
DOM Elements 316 → no change 313 – 316
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 4 → no change 2 – 4
A11y Failures 2 → no change 1 – 2
A11y Failing Nodes 2 → no change 1 – 2

Main thread work

Task Time Share Duration Simulated
style layout 52% 132 ms
other 32% 82 ms
paint composite render 7% 17 ms
parse HTML 5% 14 ms
script evaluation 4% 9 ms
script parse compile 0% 0 ms
Total 254 ms

Axe violations axe-core 4.13.0, full rule set

4 violating nodes across 3 rules, 718 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Accessibility failures 2 of 18 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 1 node
  • heading-order — Heading elements are not in a sequentially-descending order 1 node

SEO failures 2 of 8 audits

  • meta-description — Document does not have a meta description
  • robots-txt — robots.txt is not valid 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 3, 2026, 7:38 AM UTC 94 2.46 s 0 0 ms 296 kB 3/3 ±6 2,452 -1% 29.6s Wayback
Sep 25, 2026, 11:55 PM UTC 95 2.45 s 0 0 ms 296 kB 3/3 ±5 3,092 +24% 27.5s Wayback
Sep 18, 2026, 8:33 PM UTC 100 1.41 s 0.024 0 ms 296 kB 3/3 ±5 2,469 -1% 31.9s Wayback
Sep 11, 2026, 5:42 PM UTC 100 1.27 s 0.008 0 ms 291 kB 3/3 ±5 2,463 -1% 27.8s Wayback
Sep 4, 2026, 2:56 PM UTC 95 2.43 s 0 0 ms 291 kB 3/3 ±5 2,280 -8% 28.2s Wayback
Aug 28, 2026, 1:54 PM UTC 95 2.39 s 0 0 ms 291 kB 3/3 ±5 2,452 -1% 29.4s Wayback
Aug 20, 2026, 7:36 PM UTC 100 1.26 s 0.008 0 ms 291 kB 3/3 ±5 2,344 -6% 27.9s Wayback

Embed this score

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