spellcast.fm
Ranks Overall #512 Astro Showcase #23
Data from Oct 2, 2026, 1:55 PM UTC old Measured once a month · 1 run since Oct 2, 2026
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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
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 | 3.19 s needs work | — 3.19 s – 3.19 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 | — 0 – 0 | |
| TBT Total Blocking Time | 16.47 s poor | — 16.47 s – 16.47 s | |
| FCP First Contentful Paint | 1.06 s good | — 1.06 s – 1.06 s | |
| Speed Index | 1.48 s good | — 1.48 s – 1.48 s | |
| TTFB Time to First Byte | 638 ms good | — 638 ms – 638 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 | 867 kB | — 867 kB – 867 kB | |
| Requests | 38 | — 38 – 38 | |
| Third-party Weight | 297 kB | — 297 kB – 297 kB | |
| Third-party CPU | 23 ms | — 23 ms – 23 ms | |
| Unused JS | 202 kB | — 202 kB – 202 kB | |
| Unused CSS | 0 B | — 0 B – 0 B |
By resource type
| Type | Transfer | Share | Size | Requests |
|---|---|---|---|---|
| image | 36.4% | 315 kB | 8 | |
| script | 35.4% | 306 kB | 4 | |
| font | 22.8% | 197 kB | 13 | |
| other | 2.5% | 21.9 kB | 9 | |
| document | 1.9% | 16.8 kB | 1 | |
| stylesheet | 0.9% | 7.9 kB | 2 | |
| Total | 867 kB | 38 |
Third parties 1 entities
| Entity | Transfer | Size | Main thread Simulated |
|---|---|---|---|
| lou.gg | 297 kB | 23 ms | |
| Total | 297 kB | 23 ms |
Page health
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Main Thread Work | 27.33 s | — 27.33 s – 27.33 s | |
| Long Tasks | 20 | — 20 – 20 | |
| DOM Elements | 291 | — 291 – 291 | |
| Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) | 0 | — 0 – 0 | |
| A11y Failures | 0 | — 0 – 0 | |
| A11y Failing Nodes | 0 | — 0 – 0 |
Main thread work
| Task | Time | Share | Duration Simulated |
|---|---|---|---|
| other | 97% | 26.44 s | |
| script evaluation | 2% | 652 ms | |
| style layout | 0% | 82 ms | |
| paint composite render | 0% | 73 ms | |
| script parse compile | 0% | 34 ms | |
| parse HTML | 0% | 29 ms | |
| garbage collection | 0% | 19 ms | |
| Total | 27.33 s |
Axe violations axe-core 4.13.0, full rule set
0 violating nodes across 0 rules, 432 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 2, 2026, 1:55 PM UTC | 63 | 3.19 s | 0 | 16.47 s | 867 kB | 3/3 | ±6 | 2,437 -2% | 177.3s |
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