speedlify2

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

Charts Compare Measurement runs Embed a score

mijndertstuij.nl

https://mijndertstuij.nl/

99 95 100 100 ✗AXE –CWV

Ranks Overall #1,061 Built Awesome #819

Data from Sep 5, 2026, 8:04 PM UTC old Measured once a week · 3 runs since Aug 21, 2026

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

The measuring machine was faster than most in this project.

Lighthouse benchmark index was 3,427, 38% faster than this project's median of 2,481. CPU-bound metrics — TBT, TTI, main thread work — are affected by this and may have moved without the site changing at all.

Stack

Eleventy 3.1.6 Built with Eleventy 3.1.6
Cloudflare Hosted by Cloudflare

Lighthouse Scores

99
Performance
↑ +5 (+5.3%)
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 1.56 s good ↓ -873 ms (-35.8%) significant 1.56 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 0.016 good → no change 0.016 – 0.016
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.56 s good ↓ -873 ms (-35.8%) significant 1.56 s – 2.46 s
Speed Index 1.56 s good ↓ -873 ms (-35.8%) significant 1.56 s – 2.46 s
TTFB Time to First Byte 627 ms good ↑ +162 ms (+34.8%) significant 465 ms – 627 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 88 ms
time to first byte 23 ms

Page weight

Metric Value Change / range Trend
Page Weight 68.4 kB ↑ +268 B (+0.4%) 68.1 kB – 70.1 kB
Requests 12 → no change 12 – 12
Third-party Weight 40.8 kB ↑ +616 B (+1.5%) 40.2 kB – 42.0 kB
Third-party CPU 3 ms ↓ -1 ms (-27.7%) 3 ms – 5 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 0 B → no change 0 B – 0 B

By resource type

  • font 43.8% 29.9 kB · 1 req
  • script 25% 17.1 kB · 2 req
  • other 19.1% 13.0 kB · 5 req
  • stylesheet 8.2% 5.6 kB · 3 req
  • document 4% 2.7 kB · 1 req

Third parties 2 entities

40.8 kB transferred, 3 ms on the main thread.

Google Fonts font 30.6 kB · 0 ms CPU
Cloudflare script 10.2 kB · 3 ms CPU

Page health

Metric Value Change / range Trend
Main Thread Work 176 ms ↓ -54 ms (-23.3%) significant 176 ms – 229 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 61 → no change 61 – 67
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 20 → no change 20 – 23
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 20 → no change 20 – 23

Main thread work

other 82 ms
script evaluation 48 ms
style layout 35 ms
parse HTML 5 ms
paint composite render 4 ms
script parse compile 2 ms

Axe violations axe-core 4.13.0, full rule set

20 violating nodes across 1 rule, 132 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 20 nodes

Accessibility failures 1 of 18 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 20 nodes

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-08-08 → 2026-09-05 No data — 5 weeks under the CrUX reporting threshold
2026-08-01 670 ms — 0 669 ms 272 ms
2026-07-25 672 ms — 0 671 ms 281 ms
2026-07-18 782 ms — 0 785 ms 356 ms
2026-07-11 889 ms — 0 890 ms 444 ms
2026-07-04 809 ms 54 ms 0 810 ms 369 ms
2026-06-27 800 ms 54 ms 0 803 ms 355 ms
2026-06-20 785 ms 53 ms 0 789 ms 337 ms
2026-06-13 749 ms 53 ms 0 751 ms 321 ms
2026-06-06 687 ms — 0 684 ms 316 ms
2026-03-21 → 2026-05-30 No data — 11 weeks under the CrUX reporting threshold

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 5, 2026, 8:04 PM UTC 99 1.56 s 0.016 0 ms 68.4 kB 3/3 ±7 3,427 +38% 22.1s Wayback
Aug 29, 2026, 7:42 PM UTC 94 2.44 s 0.016 0 ms 68.1 kB 3/3 ±0 2,501 +1% 22.6s Wayback
Aug 21, 2026, 4:41 AM UTC 94 2.46 s 0.016 0 ms 70.1 kB 3/3 ±0 2,492 0% 22.6s Wayback

Embed this score

Use this web component to show mijndertstuij.nl'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://mijndertstuij.nl/"></speedlify2-score>