smolcss.dev
Ranks Overall #664 Built Awesome #495
Data from Oct 4, 2026, 7:21 PM UTC old Measured once a week · 7 runs since Aug 21, 2026
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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 | 2.72 s needs work | ↑ +163 ms (+6.4%) significant 2.56 s – 2.73 s | |
| INP CWV Interaction to Next Paint — field only, no lab run can measure it | n/a | — | |
| CLS CWV (estimate) Cumulative Layout Shift | 0.001 good | ↑ +0.001 0 – 0.001 | |
| TBT Total Blocking Time | 0 ms good | → no change 0 ms – 0 ms | |
| FCP First Contentful Paint | 1.01 s good | ↓ -195 ms (-16.2%) 1.01 s – 1.80 s | |
| Speed Index | 1.01 s good | ↓ -195 ms (-16.2%) 1.01 s – 1.80 s | |
| TTFB Time to First Byte | 620 ms good | ↑ +17 ms (+2.8%) 603 ms – 636 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 | 3.07 MB | ↑ +847 B 3.06 MB – 3.07 MB | |
| Requests | 18 | → no change 18 – 18 | |
| Third-party Weight | 190 kB | ↑ +540 B (+0.3%) 178 kB – 190 kB | |
| Third-party CPU | 2 ms | ↓ -2 ms (-44.1%) 1 ms – 3 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 |
|---|---|---|---|---|
| media | 88.8% | 2.72 MB | 1 | |
| image | 8.1% | 249 kB | 10 | |
| font | 1.6% | 48.2 kB | 2 | |
| document | 0.9% | 28.5 kB | 1 | |
| other | 0.3% | 10.6 kB | 2 | |
| stylesheet | 0.1% | 3.2 kB | 1 | |
| script | 0.1% | 2.1 kB | 1 | |
| Total | 3.07 MB | 18 |
Third parties 3 entities
| Entity | Transfer | Size | Main thread Simulated |
|---|---|---|---|
| unsplash.com | 167 kB | 0 ms | |
| avataaars.io | 20.2 kB | 0 ms | |
| Plausible | 2.7 kB | 2 ms | |
| Total | 190 kB | 2 ms |
Page health
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Main Thread Work | 550 ms | ↓ -20 ms (-3.6%) 465 ms – 593 ms | |
| Long Tasks | 1 | → no change 1 – 1 | |
| DOM Elements | 2,345 | → no change 2,345 – 2,345 | |
| Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) | 1 | → no change 1 – 1 | |
| A11y Failures | 1 | → no change 1 – 1 | |
| A11y Failing Nodes | 20 | → no change 20 – 20 |
Main thread work
| Task | Time | Share | Duration Simulated |
|---|---|---|---|
| other | 47% | 258 ms | |
| style layout | 34% | 185 ms | |
| parse HTML | 8% | 43 ms | |
| paint composite render | 7% | 38 ms | |
| script evaluation | 4% | 22 ms | |
| script parse compile | 1% | 3 ms | |
| Total | 550 ms |
Axe violations axe-core 4.13.0, full rule set
1 violating node across 1 rule, 1898 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.
-
serious
scrollable-region-focusable— Scrollable region must have keyboard access 1 nodeOffending element
-
.smol-scroll-snap<ul data-padding-unset="" class="smol-scroll-snap">
-
Accessibility failures 1 of 28 audits
-
label-content-name-mismatch— Elements with visible text labels do not have matching accessible names. 20 nodes
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 |
|---|---|---|---|---|---|
| 2026-07-25 → 2026-09-26 | No data — 10 weeks under the CrUX reporting threshold | ||||
| 2026-07-18 | 2.33 s | 126 ms | 0 | 2.33 s | — |
| 2026-07-11 | — | 126 ms | 0 | 2.33 s | — |
| 2026-04-11 → 2026-07-04 | No data — 13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 4, 2026, 7:21 PM UTC | 96 | 2.72 s | 0.001 | 0 ms | 3.07 MB | 3/3 | ±7 | 2,505 +1% | 28.2s |
|
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| Sep 27, 2026, 5:40 PM UTC | 97 | 2.56 s | 0 | 0 ms | 3.07 MB | 3/3 | ±3 | 2,481 0% | 26.8s |
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| Sep 20, 2026, 2:39 PM UTC | 95 | 2.73 s | 0.001 | 0 ms | 3.06 MB | 3/3 | ±6 | 2,932 +18% | 24.9s |
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| Sep 13, 2026, 1:54 PM UTC | 96 | 2.72 s | 0.001 | 0 ms | 3.06 MB | 3/3 | ±1 | 2,496 0% | 27s |
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| Sep 6, 2026, 10:28 AM UTC | 97 | 2.66 s | 0.001 | 0 ms | 3.06 MB | 3/3 | ±3 | 2,540 +2% | 26.5s |
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| Aug 30, 2026, 8:03 AM UTC | 96 | 2.60 s | 0.001 | 0 ms | 3.06 MB | 3/3 | ±20 | 3,437 +38% | 24.8s |
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| Aug 21, 2026, 6:51 AM UTC | 96 | 2.71 s | 0 | 0 ms | 3.06 MB | 3/3 | ±8 | 2,487 0% | 28.3s |
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