duncandavidson.com
Ranks Overall #233 11ty Emeritus
Data from Oct 3, 2026, 5:53 PM UTC old Measured once a week · 8 runs since Aug 20, 2026
Elsewhere:
PageSpeed Insights ·
Calibre ·
Treo ·
CrUX Vis ·
Tame the Bots ·
Scoring Calculator ·
Wayback Machine
https://duncan.dev/.
History from the previous URL is included below, with the move on Sep 5, 2026. A step-change around that point is likely the change of address rather than a regression.
Lab data is measured using Lighthouse, Mobile mode unless otherwise specified. Field data is reported from Chrome UX Report (using p75 measurements).
Stack
Lighthouse Scores LAB Simulated
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 | 934 ms good | ↓ -26 ms (-2.7%) 932 ms – 1.62 s | |
| INP CWV Interaction to Next Paint — field only, no lab run can measure it | n/a | — | |
| CLS CWV (estimate) Cumulative Layout Shift | 0.068 good | → no change 0.050 – 0.068 | |
| TBT Total Blocking Time | 0 ms good | → no change 0 ms – 96 ms | |
| FCP First Contentful Paint | 934 ms good | ↓ -26 ms (-2.7%) 932 ms – 1.62 s | |
| Speed Index | 934 ms good | ↓ -26 ms (-2.7%) 932 ms – 1.62 s | |
| TTFB Time to First Byte | 467 ms good | ↓ -13 ms (-2.7%) 461 ms – 657 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.
Page weight
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Page Weight | 108 kB | ↑ +8 B 108 kB – 108 kB | |
| Requests | 7 | → no change 7 – 8 | |
| Third-party Weight | 0 B | → no change 0 B – 108 kB | |
| Third-party CPU | 0 ms | → no change 0 ms – 1 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 |
|---|---|---|---|---|
| font | 65.7% | 71.1 kB | 3 | |
| image | 24.7% | 26.7 kB | 1 | |
| document | 4.4% | 4.8 kB | 1 | |
| stylesheet | 3.7% | 4.0 kB | 1 | |
| other | 1.6% | 1.7 kB | 1 | |
| Total | 108 kB | 7 |
Page health
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Main Thread Work | 221 ms | ↑ +58 ms (+35.1%) 164 ms – 1.09 s | |
| Long Tasks | 0 | → no change 0 – 4 | |
| DOM Elements | 75 | → no change 75 – 75 | |
| Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) | 0 | → no change 0 – 0 | |
| 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 | 45% | 99 ms | |
| other | 39% | 87 ms | |
| paint composite render | 8% | 18 ms | |
| script evaluation | 4% | 10 ms | |
| parse HTML | 3% | 7 ms | |
| script parse compile | 0% | 0 ms | |
| Total | 221 ms |
Axe violations axe-core 4.13.0, full rule set
0 violating nodes across 0 rules, 171 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.
Hygiene
Measurement log
Every stored run for this URL, newest first.
| When | Scores | Perf | LCP | CLS | TBT | Weight | Runs | Spread | Bench | Took | Archive |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 3, 2026, 5:53 PM UTC | 99 | 934 ms | 0.068 | 0 ms | 108 kB | 3/3 | ±0 | 2,483 0% | 20.7s |
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| Sep 26, 2026, 2:08 PM UTC | 99 | 960 ms | 0.068 | 0 ms | 108 kB | 3/3 | ±0 | 3,389 +36% | 20.3s |
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| Sep 19, 2026, 12:53 PM UTC | 99 | 934 ms | 0.068 | 32 ms | 108 kB | 3/3 | ±1 | 2,052 -17% | 23.5s |
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| Sep 12, 2026, 11:28 AM UTC | 99 | 932 ms | 0.068 | 0 ms | 108 kB | 3/3 | ±1 | 2,266 -9% | 22s |
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| Sep 5, 2026, 8:04 AM UTC | 99 | 1.08 s | 0.050 | 96 ms | 108 kB | 3/3 | ±1 | 1,483 -40% | 51.2s |
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| Sep 4, 2026, 11:53 PM UTC old URL | 99 | 1.62 s | 0.050 | 0 ms | 108 kB | 3/3 | ±1 | 2,685 +8% | 20.7s |
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| Aug 28, 2026, 11:31 PM UTC old URL | 99 | 1.59 s | 0.050 | 0 ms | 108 kB | 3/3 | ±0 | 3,003 +21% | 20s |
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| Aug 20, 2026, 9:31 PM UTC old URL | 99 | 1.56 s | 0.050 | 0 ms | 108 kB | 3/3 | ±1 | 2,351 -5% | 20.7s |
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