speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time.

Charts Measurement runs Embed a score

piatkowska.org.pl

https://www.piatkowska.org.pl/

94 95 100 100 !AXE –CWV

Ranks Overall #757 Built Awesome #599

Data from Sep 7, 2026, 3:04 AM UTC old Measured once a week · 3 runs since Aug 21, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Wayback Machine

Stack

Eleventy Built with Eleventy
Netlify Hosted by Netlify

Lighthouse Scores

94
Performance
↑ +2 (+2.2%)
95
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Metrics Lighthouse, mobile

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 Lighthouse
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 1.66 s good ↓ -771 ms (-31.7%) 1.54 s – 2.43 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.141 needs work → no change 0.141 – 0.141
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 790 ms good ↓ -16 ms (-2%) 790 ms – 817 ms
Speed Index 790 ms good ↓ -16 ms (-2%) 790 ms – 817 ms
TTFB Time to First Byte 609 ms good ↓ -21 ms (-3.3%) 609 ms – 641 ms

LCP Subparts lab observed, unthrottled

The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab LCP shown above is throttled.

element render delay 42 ms
resource load duration 25 ms
resource load delay 13 ms
time to first byte 10 ms

Page weight

Metric Value Change / range Trend
Page Weight 933 kB ↑ +149 B 933 kB – 933 kB
Requests 13 → no change 13 – 13
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

  • image 94.3% 880 kB · 10 req
  • font 4.7% 43.8 kB · 1 req
  • document 0.9% 8.4 kB · 1 req
  • other 0.1% 974 B · 1 req

Page health

Metric Value Change / range Trend
Main Thread Work 221 ms ↑ +12 ms (+5.5%) 173 ms – 221 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 66 → no change 66 – 66
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 1 → no change 1 – 1
A11y Failures 2 → no change 2 – 2
A11y Failing Nodes 2 → no change 2 – 2

Main thread work

other 147 ms
style layout 39 ms
script evaluation 13 ms
paint composite render 11 ms
parse HTML 10 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 153 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 1 node

Accessibility failures 2 of 21 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 1 node
  • label-content-name-mismatch — Elements with visible text labels do not have matching accessible names. 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
Sep 7, 2026, 3:04 AM UTC 94 1.66 s 0.141 0 ms 933 kB 3/3 ±2 2,330 -6% 24.3s Wayback
Aug 30, 2026, 11:22 PM UTC 92 2.43 s 0.141 0 ms 933 kB 3/3 ±5 2,480 0% 23.2s Wayback
Aug 21, 2026, 1:48 PM UTC 95 1.54 s 0.141 0 ms 933 kB 3/3 ±2 2,511 +1% 24.6s Wayback

Embed this score

Use this web component to show piatkowska.org.pl'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.piatkowska.org.pl/"></speedlify2-score>