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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energieswitch.nl

https://energieswitch.nl/

90PERF 100A11Y 100BEST 100SEO ✓AXE –CWV

Ranks Overall #432 Built Awesome #333

Data from Oct 3, 2026, 5:51 PM 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
Self-hosted · nginx Hosted by Self-hosted

Lighthouse Scores LAB Simulated

90
Performance
↓ -1 (-1.1%)
100
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 2.70 s needs work ↑ +70 ms (+2.7%) 1.63 s – 2.70 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 – 0.001
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 2.70 s needs work ↑ +70 ms (+2.7%) 1.63 s – 2.70 s
Speed Index 4.38 s needs work ↑ +56 ms (+1.3%) 1.63 s – 4.38 s
TTFB Time to First Byte 877 ms needs work ↑ +71 ms (+8.8%) 684 ms – 877 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 2.21 s
time to first byte 142 ms

Page weight

Metric Value Change / range Trend
Page Weight 134 kB ↓ -6 B 134 kB – 136 kB
Requests 17 → no change 17 – 17
Third-party Weight 42.6 kB → no change 42.6 kB – 42.9 kB
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
image 33.4% 43.9 kB 8
font 31.8% 41.8 kB 2
stylesheet 13.8% 18.1 kB 2
script 11.5% 15.1 kB 2
document 8% 10.5 kB 1
other 1.4% 1.9 kB 1
Total 134 kB 17

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Google Fonts font 42.6 kB 0 ms
Total 42.6 kB 0 ms

Page health

Metric Value Change / range Trend
Main Thread Work 359 ms ↓ -36 ms (-9.1%) 359 ms – 495 ms
Long Tasks 1 → no change 1 – 1
DOM Elements 455 → no change 455 – 455
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 → no change 0 – 0
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

Task Time Share Duration Simulated
style layout 41% 149 ms
other 39% 139 ms
script evaluation 7% 24 ms
paint composite render 6% 22 ms
parse HTML 5% 18 ms
script parse compile 2% 7 ms
Total 359 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 900 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

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
2026-04-11 → 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
Oct 3, 2026, 5:51 PM UTC 90 2.70 s 0 0 ms 134 kB 3/3 ±8 2,477 0% 28.9s Wayback
Sep 26, 2026, 2:13 PM UTC 91 2.63 s 0 0 ms 134 kB 3/3 ±0 2,452 -1% 28.7s Wayback
Sep 19, 2026, 12:57 PM UTC 94 2.52 s 0.001 0 ms 134 kB 3/3 ±2 2,343 -6% 24.3s Wayback
Sep 12, 2026, 11:32 AM UTC 98 1.95 s 0.001 0 ms 136 kB 3/3 ±6 2,704 +9% 26.1s Wayback
Sep 5, 2026, 8:08 AM UTC 93 2.57 s 0.001 0 ms 135 kB 3/3 ±3 2,436 -2% 27.2s Wayback
Aug 29, 2026, 5:50 AM UTC 99 1.63 s 0.001 0 ms 135 kB 3/3 ±1 2,342 -6% 24.9s Wayback
Aug 20, 2026, 10:28 PM UTC 94 2.51 s 0.001 0 ms 135 kB 3/3 ±2 2,359 -5% 24.5s Wayback

Embed this score

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