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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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akademia.instytutsprawobywatelskich.pl

https://akademia.instytutsprawobywatelskich.pl/

89PERF 95A11Y 100BEST 100SEO !AXE –CWV

Ranks Overall #908 Built Awesome #661

Data from Oct 2, 2026, 12:34 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
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

89
Performance
↓ -4 (-4.3%)
95
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 3.75 s needs work ↑ +690 ms (+22.5%) 2.40 s – 3.75 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 51 ms good ↑ +29 ms (+131.8%) 3 ms – 114 ms
FCP First Contentful Paint 1.21 s good ↓ -9 ms (-0.7%) 999 ms – 1.97 s
Speed Index 1.21 s good ↓ -1967 ms (-62%) 999 ms – 3.17 s
TTFB Time to First Byte 605 ms good ↓ -749 ms (-55.3%) 604 ms – 1.35 s

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 81 ms
resource load duration 42 ms
resource load delay 9 ms
time to first byte 6 ms

Page weight

Metric Value Change / range Trend
Page Weight 974 kB ↓ -642 B (-0.1%) 974 kB – 975 kB
Requests 26 → no change 26 – 26
Third-party Weight 710 kB ↓ -258 B 710 kB – 711 kB
Third-party CPU 26 ms ↑ +4 ms (+17%) 22 ms – 36 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 21.3 kB → no change 21.3 kB – 21.3 kB

By resource type

Type Transfer Share Size Requests
image 71.7% 699 kB 14
font 19.7% 192 kB 5
script 5.9% 57.0 kB 2
document 2.1% 20.8 kB 1
stylesheet 0.5% 4.6 kB 1
other 0.1% 1.1 kB 2
Total 974 kB 26

Third parties 3 entities

Entity Transfer Size Main thread Simulated
Cloudinary image 653 kB 0 ms
Netlify 55.1 kB 24 ms
Plausible 2.4 kB 2 ms
Total 710 kB 26 ms

Page health

Metric Value Change / range Trend
Main Thread Work 608 ms ↓ -63 ms (-9.4%) 581 ms – 755 ms
Long Tasks 2 → no change 2 – 4
DOM Elements 407 → no change 407 – 407
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 4 → no change 3 – 4
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 1 → no change 1 – 1

Main thread work

Task Time Share Duration Simulated
style layout 37% 226 ms
other 33% 202 ms
script evaluation 16% 99 ms
script parse compile 5% 32 ms
paint composite render 5% 29 ms
parse HTML 3% 18 ms
garbage collection 0% 2 ms
Total 608 ms

Axe violations axe-core 4.13.0, full rule set

4 violating nodes across 3 rules, 592 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Accessibility failures 1 of 19 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 1 node

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 2, 2026, 12:34 AM UTC 89 3.75 s 0 51 ms 974 kB 3/3 ±10 2,738 +10% 23.7s Wayback
Sep 25, 2026, 12:28 AM UTC 93 3.06 s 0 22 ms 974 kB 3/3 ±5 3,081 +24% 24.8s Wayback
Sep 17, 2026, 11:24 PM UTC 98 2.40 s 0 31 ms 974 kB 3/3 ±3 4,090 +65% 23.7s Wayback
Sep 10, 2026, 9:27 PM UTC 92 3.10 s 0 75 ms 974 kB 3/3 ±5 2,353 -5% 25.1s Wayback
Sep 3, 2026, 7:17 PM UTC 96 2.63 s 0 3 ms 975 kB 3/3 ±5 2,492 0% 26.1s Wayback
Aug 27, 2026, 7:02 PM UTC 93 3.03 s 0 114 ms 974 kB 3/3 ±7 2,425 -2% 25.4s Wayback
Aug 20, 2026, 4:12 PM UTC 87 3.75 s 0 82 ms 974 kB 3/3 ±8 2,492 0% 24.7s Wayback

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