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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scrambletheduck.org

https://scrambletheduck.org/

99PERF 100A11Y 100BEST 100SEO !AXE –CWV

Ranks Overall #619 Built Awesome #466

Data from Oct 4, 2026, 7:21 PM UTC old Measured once a week · 7 runs since Aug 21, 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
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

99
Performance
no change
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 1.76 s good ↓ -21 ms (-1.2%) 1.76 s – 1.92 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 – 0.175
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.53 s good ↓ -21 ms (-1.4%) 1.52 s – 1.69 s
Speed Index 1.53 s good ↓ -21 ms (-1.4%) 1.52 s – 1.69 s
TTFB Time to First Byte 468 ms good ↓ -13 ms (-2.7%) 465 ms – 540 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 52 ms
time to first byte 30 ms
resource load duration 17 ms
resource load delay 9 ms

Page weight

Metric Value Change / range Trend
Page Weight 167 kB ↑ +27 B 167 kB – 169 kB
Requests 24 → no change 24 – 24
Third-party Weight 27.6 kB ↑ +6 B 27.0 kB – 28.8 kB
Third-party CPU 4 ms ↓ -0 ms (-7%) 3 ms – 10 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 72.5% 121 kB 9
script 11.8% 19.7 kB 6
font 8.3% 13.9 kB 1
stylesheet 3.1% 5.2 kB 1
other 2.3% 3.8 kB 5
document 2% 3.4 kB 1
Total 167 kB 24

Third parties 3 entities

Entity Transfer Size Main thread Simulated
YouTube image 16.8 kB 0 ms
Cloudflare script 10.2 kB 4 ms
umami.is 650 B 0 ms
Total 27.6 kB 4 ms

Page health

Metric Value Change / range Trend
Main Thread Work 357 ms ↓ -25 ms (-6.4%) 355 ms – 402 ms
Long Tasks 1 ↑ +1 0 – 2
DOM Elements 90 → no change 90 – 90
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 2 → no change 2 – 2
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

Task Time Share Duration Simulated
other 42% 149 ms
style layout 30% 107 ms
script evaluation 19% 68 ms
paint composite render 5% 19 ms
parse HTML 3% 11 ms
script parse compile 1% 4 ms
Total 357 ms

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 2 rules, 168 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 h3

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 4, 2026, 7:21 PM UTC 99 1.76 s 0 0 ms 167 kB 3/3 ±8 2,369 -5% 22.9s Wayback
Sep 27, 2026, 5:39 PM UTC 99 1.78 s 0 0 ms 167 kB 3/3 ±8 2,683 +8% 25.4s Wayback
Sep 20, 2026, 2:32 PM UTC 91 1.92 s 0.174 0 ms 168 kB 3/3 ±0 3,058 +23% 21.8s Wayback
Sep 13, 2026, 1:46 PM UTC 99 1.76 s 0 0 ms 167 kB 3/3 ±8 2,447 -2% 24.2s Wayback
Sep 6, 2026, 10:21 AM UTC 91 1.87 s 0.175 0 ms 167 kB 3/3 ±0 2,322 -7% 24.6s Wayback
Aug 30, 2026, 7:55 AM UTC 91 1.86 s 0.174 0 ms 167 kB 3/3 ±7 2,608 +5% 25.2s Wayback
Aug 21, 2026, 7:54 AM UTC 91 1.92 s 0.175 0 ms 169 kB 3/3 ±0 2,902 +17% 21.8s Wayback

Embed this score

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