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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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earlychildhoodfoundation.org

https://earlychildhoodfoundation.org/

65PERF 100A11Y 100BEST 100SEO ✓AXE –CWV

Ranks Overall #526 Built Awesome #401

Data from Oct 3, 2026, 1:04 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

The measuring machine was faster than most in this project.

Lighthouse benchmark index was 4,210, 69% faster than this project's median of 2,486. CPU-bound metrics — TBT, TTI, main thread work — are affected by this and may have moved without the site changing at all.

Lab data is measured using Lighthouse, Mobile mode unless otherwise specified. Field data is reported from Chrome UX Report (using p75 measurements).

Stack

Eleventy 2.0.1 Built with Eleventy 2.0.1
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

65
Performance
↓ -4 (-5.8%)
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 5.51 s poor ↑ +926 ms (+20.2%) significant 4.58 s – 5.51 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.267 poor → no change 0 – 0.267
TBT Total Blocking Time 38 ms good ↓ -74 ms (-66.1%) 0 ms – 281 ms
FCP First Contentful Paint 1.08 s good ↓ -220 ms (-16.9%) 996 ms – 1.30 s
Speed Index 3.27 s good ↑ +1357 ms (+71.1%) 996 ms – 4.17 s
TTFB Time to First Byte 634 ms good ↓ -126 ms (-16.6%) 611 ms – 760 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 1.08 s
time to first byte 289 ms
resource load duration 127 ms
resource load delay 7 ms

Page weight

Metric Value Change / range Trend
Page Weight 930 kB ↓ -84 B 930 kB – 930 kB
Requests 18 → no change 18 – 18
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

Type Transfer Share Size Requests
image 94.2% 876 kB 10
document 3.5% 32.8 kB 1
font 1.4% 12.7 kB 1
stylesheet 0.8% 7.9 kB 2
script 0.1% 657 B 1
Total 930 kB 18

Page health

Metric Value Change / range Trend
Main Thread Work 583 ms ↓ -255 ms (-30.5%) 257 ms – 838 ms
Long Tasks 3 ↑ +1 (+50%) significant 0 – 3
DOM Elements 285 → no change 285 – 285
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 → no change 0 – 1
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 51% 297 ms
other 41% 239 ms
paint composite render 4% 23 ms
script evaluation 2% 13 ms
parse HTML 2% 11 ms
script parse compile 0% 1 ms
Total 583 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 538 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, 1:04 PM UTC 65 5.51 s 0.267 38 ms 930 kB 3/3 ±1 4,210 +69% 21.8s Wayback
Sep 26, 2026, 9:10 AM UTC 69 4.58 s 0.267 112 ms 930 kB 3/3 ±12 2,988 +20% 27.6s Wayback
Sep 19, 2026, 3:24 AM UTC 62 5.45 s 0.267 221 ms 930 kB 3/3 ±14 3,020 +21% 24.7s Wayback
Sep 12, 2026, 1:08 AM UTC 61 5.37 s 0.267 281 ms 930 kB 3/3 ±11 2,497 0% 24.6s Wayback
Sep 4, 2026, 11:51 PM UTC 66 5.43 s 0.267 80 ms 930 kB 3/3 ±0 2,830 +14% 23.4s Wayback
Aug 28, 2026, 11:31 PM UTC 77 5.47 s 0 0 ms 930 kB 3/3 ±13 3,554 +43% 26.4s Wayback
Aug 20, 2026, 9:29 PM UTC 61 5.41 s 0.267 276 ms 930 kB 3/3 ±43 2,292 -8% 25.7s Wayback

Embed this score

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