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

stefanimhoff.de

https://www.stefanimhoff.de/

92PERF 96A11Y 96BEST 100SEO !AXE –CWV

Ranks Overall #847 11ty Emeritus

Data from Sep 14, 2026, 11:58 AM UTC old Measured once a month · 4 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

Astro 7.0.0 Built with Astro 7.0.0
Uses ReactReact
Self-hosted · nginx Hosted by Self-hosted

Lighthouse Scores LAB Simulated

92
Performance
no change
96
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 3.11 s needs work ↓ -28 ms (-0.9%) 3.11 s – 3.31 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 7 ms good ↑ +7 ms 0 ms – 7 ms
FCP First Contentful Paint 1.79 s good ↓ -21 ms (-1.2%) 1.79 s – 1.83 s
Speed Index 2.92 s good ↑ +15 ms (+0.5%) 2.90 s – 2.95 s
TTFB Time to First Byte 708 ms good ↓ -28 ms (-3.8%) 708 ms – 763 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 1.28 s
time to first byte 115 ms

Page weight

Metric Value Change / range Trend
Page Weight 369 kB ↑ +17 B 369 kB – 369 kB
Requests 34 → no change 34 – 34
Third-party Weight 3.1 kB → no change 3.1 kB – 3.1 kB
Third-party CPU 1 ms ↓ -0 ms (-6.7%) 1 ms – 2 ms
Unused JS 30.9 kB ↓ -3 B 30.9 kB – 30.9 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
script 48.4% 178 kB 23
font 40.1% 148 kB 3
document 7.7% 28.3 kB 1
other 3.6% 13.1 kB 5
stylesheet 0.2% 914 B 1
Total 369 kB 34

Third parties 1 entities

Entity Transfer Size Main thread Simulated
kogakure.cloud scriptother 3.1 kB 1 ms
Total 3.1 kB 1 ms

Page health

Metric Value Change / range Trend
Main Thread Work 781 ms ↓ -8 ms (-1.1%) 781 ms – 803 ms
Long Tasks 1 ↑ +1 0 – 1
DOM Elements 149 → no change 149 – 149
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 4 → no change 4 – 5
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 4 → no change 4 – 4

Main thread work

Task Time Share Duration Simulated
other 38% 299 ms
script evaluation 32% 253 ms
style layout 22% 169 ms
parse HTML 3% 27 ms
paint composite render 3% 25 ms
script parse compile 1% 9 ms
Total 781 ms

Axe violations axe-core 4.13.0, full rule set

4 violating nodes across 1 rule, 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 4 nodes

Accessibility failures 1 of 23 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 4 nodes

Best Practices failures 1 of 18 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

Field history 25 weeks

Weekly p75 from the CrUX History API, backfilled in a single request.

Week ending LCPINPCLSFCPTTFB
2026-04-11 → 2026-09-26 No data — 25 weeks under the CrUX reporting threshold

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 14, 2026, 11:58 AM UTC 92 3.11 s 0 7 ms 369 kB 3/3 ±13 2,416 -3% 28.2s Wayback
Sep 7, 2026, 9:05 AM UTC 92 3.14 s 0 0 ms 369 kB 3/3 ±13 2,724 +10% 28.3s Wayback
Aug 31, 2026, 4:01 AM UTC 92 3.13 s 0 0 ms 369 kB 3/3 ±14 2,296 -8% 28.8s Wayback
Aug 21, 2026, 7:35 PM UTC 91 3.31 s 0 0 ms 369 kB 3/3 ±16 2,459 -1% 29.4s Wayback