speedlify2

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

Measurement runs · Embed a score · Field data from the Chrome UX Report ·

earlychildhoodfoundation.org

https://earlychildhoodfoundation.org/

61 100 100 100 CWV 1AXE

Data from Aug 20, 2026, 9:29 PM UTC — 21h old.

Built Awesome · 1 measurement · since Aug 20, 2026 · last attempt 21h

Stack

Detected on the same page load as the accessibility pass — the generator from <meta name="generator"> or the shape of the page, the host from response headers.

Eleventy 2.0.1 Built with Eleventy 2.0.1
Netlify Hosted by Netlify

Core Web Vitals field data, url-level

Real Chrome users, 28-day window (2026-07-19 → 2026-08-15). From the backfilled CrUX history rather than this measurement, which predates the API key. This is what Google measures you on.

LCP no data
INP no data
CLS no data

Scores

61
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 5.41 s 5.41 s 5.41 s
CLS Cumulative Layout Shift 0.267 0.267 0.267
TBT Total Blocking Time 276 ms 276 ms 276 ms
FCP First Contentful Paint 996 ms 996 ms 996 ms
Speed Index 996 ms 996 ms 996 ms
TTFB Time to First Byte 611 ms 611 ms 611 ms

What LCP is made of

A flat LCP number tells you something regressed. The subparts tell you whether it was the server, resource discovery, the download, or rendering.

element render delay 150 ms
resource load duration 45 ms
time to first byte 13 ms
resource load delay 10 ms

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-08-15
2026-08-08
2026-08-01
2026-07-25
2026-07-18
2026-07-11
2026-07-04
2026-06-27
2026-06-20
2026-06-13
2026-06-06
2026-05-30

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 930.3 kB 930.3 kB 930.3 kB
Requests 18 18 18
Third-party Weight 0 B 0 B 0 B
Third-party CPU 0 ms 0 ms 0 ms
Unused JS 0 B 0 B 0 B
Unused CSS 0 B 0 B 0 B

By resource type

image 875.9 kB · 10 req
document 32.8 kB · 1 req
font 12.7 kB · 1 req
stylesheet 7.9 kB · 2 req
script 658 B · 1 req

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 683 ms 683 ms 683 ms
Long Tasks 2 2 2
DOM Elements 285 285 285
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset 1 1 1
A11y Failures 0 0 0
A11y Failing Nodes 0 0 0

Main thread work

other 478 ms
style layout 149 ms
paint composite render 24 ms
script evaluation 17 ms
parse HTML 14 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 568 passing. This is a standalone axe run, stricter than the subset Lighthouse folds into its score above — and it is the second tiebreaker in the ranking.

  • minor presentation-role-conflict — Elements marked as presentational should be consistently ignored 1 node

Hygiene

Changes rarely — which is exactly why a change is worth noticing.

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first. Failures are kept as records — "this site was down on Tuesday" is data too.

When PerfLCPCLSTBTWeight RunsSpreadBenchTook
Aug 20, 2026, 9:29 PM UTC 61 5.41 s 0.267 276 ms 930.3 kB 3/3 ±43 2,292 25.7s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show earlychildhoodfoundation.org's scores, updated whenever this instance re-measures — more about the component. Don’t forget to bundle the speedlify-score.js component code into your site!

<speedlify-score speedlify-url="https://zachleat.github.io/speedlify2/" url="https://earlychildhoodfoundation.org/"></speedlify-score>