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.

Charts Compare Measurement runs Embed a score Open to Work

childcare-vouchers.uk

https://childcare-vouchers.uk/

96 92 100 100 !AXE CWV

Ranks Overall #784 Built Awesome #622

Data from Sep 11, 2026, 8:52 AM UTC old Measured once a week · 4 runs since Aug 20, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · 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 3.1.2 Built with Eleventy 3.1.2
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

96
Performance
↓ -1 (-1%)
92
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 1.86 s good ↓ -2 ms (-0.1%) 1.70 s – 1.86 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
TBT Total Blocking Time 185 ms good ↑ +7 ms (+3.9%) 134 ms – 203 ms
FCP First Contentful Paint 1.56 s good ↓ -1 ms (-0.1%) 1.55 s – 1.56 s
Speed Index 1.56 s good ↓ -1 ms (-0.1%) 1.55 s – 1.56 s
TTFB Time to First Byte 483 ms good → no change 481 ms – 629 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 118 ms
time to first byte 25 ms

Page weight

Metric Value Change / range Trend
Page Weight 345 kB ↑ +745 B (+0.2%) 339 kB – 345 kB
Requests 16 → no change 16 – 16
Third-party Weight 312 kB ↑ +1.0 kB (+0.3%) 307 kB – 312 kB
Third-party CPU 94 ms ↑ +3 ms (+3.1%) 75 ms – 99 ms
Unused JS 139 kB ↑ +981 B (+0.7%) 135 kB – 139 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
script 92.2% 318 kB 8
document 3.3% 11.5 kB 1
stylesheet 1.6% 5.7 kB 1
other 1.6% 5.5 kB 5
image 1.2% 4.2 kB 1
Total 345 kB 16

Third parties 3 entities

Entity Transfer Size Main thread Simulated
Google Tag Manager script 292 kB 84 ms
Cloudflare 20.4 kB 10 ms
cloudflareinsights.com 36 B 0 ms
Total 312 kB 94 ms

Page health

Metric Value Change / range Trend
Main Thread Work 628 ms ↑ +26 ms (+4.3%) 510 ms – 708 ms
Long Tasks 2 → no change 2 – 2
DOM Elements 374 → no change 374 – 374
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 4 → no change 4 – 4
A11y Failures 2 → no change 2 – 2
A11y Failing Nodes 3 → no change 3 – 3

Main thread work

Task Time Share Duration Simulated
script evaluation 55% 348 ms
other 21% 132 ms
script parse compile 11% 71 ms
style layout 8% 49 ms
parse HTML 3% 18 ms
paint composite render 2% 10 ms
Total 628 ms

Axe violations axe-core 4.13.0, full rule set

4 violating nodes across 3 rules, 605 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious link-in-text-block — Links must be distinguishable without relying on color 2 nodes
  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 1 node
  • moderate region — All page content should be contained by landmarks 1 node

Accessibility failures 2 of 24 audits

  • link-in-text-block — Links rely on color to be distinguishable. 2 nodes
  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 11, 2026, 8:52 AM UTC 96 1.86 s 0 185 ms 345 kB 3/3 ±2 2,608 +5% 24.1s Wayback
Sep 4, 2026, 5:50 AM UTC 97 1.86 s 0 178 ms 344 kB 3/3 ±2 2,831 +14% 23.3s Wayback
Aug 28, 2026, 1:32 AM UTC 96 1.70 s 0 203 ms 339 kB 3/3 ±1 2,483 0% 24.2s Wayback
Aug 20, 2026, 4:36 PM UTC 98 1.71 s 0 134 ms 341 kB 3/3 ±3 3,324 +34% 29.2s Wayback

Embed this score

Use this web component to show childcare-vouchers.uk'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://childcare-vouchers.uk/"></speedlify2-score>