webhint.io
Ranks Overall #278 Developer Tooling #4 Test Runners #1
Data from Sep 14, 2026, 5:59 AM UTC old Measured every 2 days ยท 15 runs since Aug 21, 2026
Elsewhere:
PageSpeed Insights ยท
Calibre ยท
Treo ยท
CrUX Vis ยท
Scoring Calculator ยท
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
Filmstrip LAB Throttled
How the page drew during the measured load, at 8 points across 3.00 s. Compare this filmstrip against another site.
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375 ms
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750 ms
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1.13 s
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1.50 s
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1.88 s
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2.25 s
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2.63 s
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3.00 s
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 | 2.16 s good | โ -43 ms (-2%) 2.12 s – 2.64 s | |
| INP CWV Interaction to Next Paint โ field only, no lab run can measure it | n/a | — | |
| CLS CWV (estimate) Cumulative Layout Shift | 0 good | โ no change 0 – 0.131 | |
| TBT Total Blocking Time | 0 ms good | โ -4 ms (-100%) significant 0 ms – 125 ms | |
| FCP First Contentful Paint | 1.55 s good | โ no change 1.51 s – 1.63 s | |
| Speed Index | 1.55 s good | โ no change 1.51 s – 2.65 s | |
| TTFB Time to First Byte | 605 ms good | โ -28 ms (-4.4%) 602 ms – 713 ms | |
LCP Subparts LAB Throttled
The subparts attribute LCP to your server, resource discovery, download, or rendering. They come from one throttled load, the same one as the filmstrip, so they add up to that load’s LCP rather than the simulated Lab LCP above.
Page weight
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Page Weight | 180 kB | โ -767 B (-0.4%) 180 kB – 181 kB | |
| Requests | 21 | โ no change 21 – 21 | |
| Third-party Weight | 54.5 kB | โ -551 B (-1%) 54.0 kB – 55.0 kB | |
| Third-party CPU | 9 ms | โ -0 ms (-2.2%) 6 ms – 16 ms | |
| Unused JS | 27.0 kB | โ -20 B (-0.1%) 27.0 kB – 27.2 kB | |
| Unused CSS | 0 B | โ no change 0 B – 0 B |
By resource type
| Type | Transfer | Share | Size | Requests |
|---|---|---|---|---|
| font | 40.2% | 72.4 kB | 4 | |
| script | 27.7% | 50.0 kB | 2 | |
| image | 19.8% | 35.6 kB | 9 | |
| stylesheet | 8% | 14.4 kB | 3 | |
| document | 3.6% | 6.5 kB | 1 | |
| other | 0.7% | 1.3 kB | 2 | |
| Total | 180 kB | 21 |
Third parties 1 entities
| Entity | Transfer | Size | Main thread Simulated |
|---|---|---|---|
| JSDelivr CDN | 54.5 kB | 9 ms | |
| Total | 54.5 kB | 9 ms |
Without JavaScript
The same load, photographed twice at 412×823: once with scripts disabled, once as rendered.
11.8% of pixels differ — parts of the page change. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.
Page health
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Main Thread Work | 270 ms | โ -88 ms (-24.5%) 253 ms – 819 ms | |
| Long Tasks | 0 | โ -1 (-100%) 0 – 5 | |
| DOM Elements | 191 | โ no change 191 – 191 | |
| Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) | 0 | โ no change 0 – 0 | |
| A11y Failures | 0 | โ no change 0 – 0 | |
| A11y Failing Nodes | 0 | โ no change 0 – 0 |
Main thread work
| Task | Time | Share | Duration Simulated |
|---|---|---|---|
| other | 47% | 127 ms | |
| script evaluation | 19% | 52 ms | |
| style layout | 17% | 45 ms | |
| script parse compile | 7% | 20 ms | |
| parse HTML | 6% | 16 ms | |
| paint composite render | 4% | 11 ms | |
| Total | 270 ms |
Axe violations axe-core 4.13.0, full rule set
0 violating nodes across 0 rules, 402 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.
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 โ 2026-09-05 | No data โ 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 14, 2026, 5:59 AM UTC | 98 | 2.16 s | 0 | 0 ms | 180 kB | 3/3 | ยฑ5 | 2,976 +20% | 38.4s |
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| Sep 11, 2026, 11:10 PM UTC | 98 | 2.20 s | 0 | 4 ms | 181 kB | 3/3 | ยฑ5 | 2,009 -19% | 40.8s |
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| Sep 9, 2026, 8:41 PM UTC | 94 | 2.14 s | 0.131 | 0 ms | 180 kB | 3/3 | ยฑ4 | 3,418 +38% | 21s |
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| Sep 7, 2026, 7:20 PM UTC | 94 | 2.12 s | 0.131 | 0 ms | 180 kB | 3/3 | ยฑ0 | 2,494 0% | 21.6s |
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| Sep 5, 2026, 3:21 AM UTC | 93 | 2.23 s | 0.131 | 0 ms | 180 kB | 3/3 | ยฑ5 | 2,618 +5% | 22.4s |
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| Sep 4, 2026, 12:49 AM UTC | 98 | 2.18 s | 0 | 0 ms | 181 kB | 3/3 | ยฑ5 | 2,313 -7% | 21.3s |
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| Sep 2, 2026, 11:00 PM UTC | 94 | 2.21 s | 0.131 | 0 ms | 180 kB | 3/3 | ยฑ1 | 2,348 -5% | 22.2s |
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| Sep 1, 2026, 8:45 PM UTC | 98 | 2.21 s | 0 | 1 ms | 181 kB | 3/3 | ยฑ5 | 2,459 -1% | 22.6s |
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| Aug 31, 2026, 6:17 PM UTC | 98 | 2.21 s | 0 | 0 ms | 180 kB | 3/3 | ยฑ2 | 2,461 -1% | 22.8s |
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| Aug 26, 2026, 1:54 PM UTC | 98 | 2.29 s | 0 | 59 ms | 181 kB | 3/3 | ยฑ5 | 2,628 +6% | 23s |
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| Aug 25, 2026, 1:50 PM UTC | 94 | 2.12 s | 0.131 | 0 ms | 180 kB | 3/3 | ยฑ25 | 3,503 +41% | 30.3s |
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| Aug 24, 2026, 12:48 PM UTC | 93 | 2.23 s | 0.131 | 0 ms | 180 kB | 3/3 | ยฑ8 | 2,286 -8% | 25.9s |
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| Aug 23, 2026, 12:38 PM UTC | 98 | 2.16 s | 0 | 2 ms | 180 kB | 3/3 | ยฑ8 | 2,422 -2% | 26s |
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| Aug 22, 2026, 11:20 AM UTC | 95 | 2.64 s | 0 | 125 ms | 181 kB | 3/3 | ยฑ5 | 2,786 +12% | 25s |
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| Aug 21, 2026, 10:33 AM UTC | 98 | 2.18 s | 0 | 3 ms | 181 kB | 3/3 | ยฑ1 | 2,467 -1% | 21.7s |
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