scrambletheduck.org
Ranks Overall #739 Built Awesome #586
Data from Sep 6, 2026, 10:21 AM UTC old Measured once a week · 3 runs since Aug 21, 2026
Elsewhere:
PageSpeed Insights ·
Calibre ·
Treo ·
CrUX Vis ·
Wayback Machine
Stack
Lighthouse Scores
Metrics Lighthouse, mobile
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 Lighthouse | ||
|---|---|---|---|
| Value | Change / range | Trend | |
| LCP CWV (estimate) Largest Contentful Paint | 1.87 s good | ↑ +8 ms (+0.4%) 1.86 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 | 0.175 needs work | ↑ +0.001 (+0.6%) 0.174 – 0.175 | |
| TBT Total Blocking Time | 0 ms good | → no change 0 ms – 0 ms | |
| FCP First Contentful Paint | 1.57 s good | ↑ +8 ms (+0.5%) 1.56 s – 1.57 s | |
| Speed Index | 1.57 s good | ↑ +8 ms (+0.5%) 1.56 s – 1.57 s | |
| TTFB Time to First Byte | 482 ms good | ↓ -4 ms (-0.8%) 476 ms – 486 ms | |
LCP Subparts lab observed, unthrottled
The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab LCP shown above is throttled.
Page weight
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Page Weight | 167 kB | ↑ +432 B (+0.3%) 167 kB – 169 kB | |
| Requests | 24 | → no change 24 – 24 | |
| Third-party Weight | 27.6 kB | ↑ +615 B (+2.3%) 27.0 kB – 28.8 kB | |
| Third-party CPU | 5 ms | ↑ +1 ms (+19%) 3 ms – 5 ms | |
| Unused JS | 0 B | → no change 0 B – 0 B | |
| Unused CSS | 0 B | → no change 0 B – 0 B |
By resource type
- image 72.5% 121 kB · 9 req
- script 11.8% 19.7 kB · 6 req
- font 8.3% 13.9 kB · 1 req
- stylesheet 3.1% 5.2 kB · 1 req
- other 2.3% 3.8 kB · 5 req
- document 2% 3.4 kB · 1 req
Third parties 3 entities
27.6 kB transferred, 5 ms on the main thread.
Page health
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Main Thread Work | 381 ms | ↑ +3 ms (+0.7%) 355 ms – 381 ms | |
| Long Tasks | 0 | → no change 0 – 0 | |
| 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
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.
-
moderate
landmark-unique— Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 1 node -
moderate
region— All page content should be contained by landmarks 1 node
Hygiene
Measurement log
Field history 25 weeks
Weekly p75 from the CrUX History API, backfilled in a single request.
| Week ending | LCP | INP | CLS | FCP | TTFB |
|---|---|---|---|---|---|
| 2026-03-21 → 2026-09-05 | No data — 25 weeks under the CrUX reporting threshold | ||||
Runs
Every stored run for this URL, newest first.
| When | Scores | Perf | LCP | CLS | TBT | Weight | Runs | Spread | Bench | Took | Archive |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 6, 2026, 10:21 AM UTC | 91 | 1.87 s | 0.175 | 0 ms | 167 kB | 3/3 | ±0 | 2,322 -6% | 24.6s |
|
|
| 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 |
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| 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 |
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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>