eleventy-high-performance-blog-sample.industrialempathy.com
https://eleventy-high-performance-blog-sample.industrialempathy.com/
Ranks Overall #785 Build Awesome Starters #101
Data from Oct 10, 2026, 11:21 PM UTC old Measured once a week · 8 runs since Aug 20, 2026
Elsewhere:
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Scoring Calculator ·
Wayback Machine
Lighthouse benchmark index was 4,252, 71% faster than this project's median of 2,487. CPU-bound metrics — TBT, TTI, main thread work — are affected by this and may have moved without the site changing at all.
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 | 2.45 s good | ↑ +14 ms (+0.6%) 825 ms – 2.46 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 | → no change 0 – 0 | |
| TBT Total Blocking Time | 0 ms good | → no change 0 ms – 0 ms | |
| FCP First Contentful Paint | 800 ms good | ↑ +12 ms (+1.5%) 784 ms – 825 ms | |
| Speed Index | 1.28 s good | ↑ +94 ms (+7.9%) 1.09 s – 1.39 s | |
| TTFB Time to First Byte | 633 ms good | ↑ +17 ms (+2.8%) 611 ms – 656 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 | 337 kB | ↓ -126 B 336 kB – 337 kB | |
| Requests | 4 | → no change 4 – 4 | |
| Third-party Weight | 0 B | → no change 0 B – 0 B | |
| Third-party CPU | 0 ms | → no change 0 ms – 0 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 | 96.6% | 325 kB | 1 | |
| other | 2.1% | 7.1 kB | 1 | |
| document | 0.7% | 2.5 kB | 1 | |
| script | 0.5% | 1.7 kB | 1 | |
| Total | 337 kB | 4 |
Without JavaScript
The same load, photographed twice at 412×823: once with scripts disabled, once as rendered.
0% of pixels differ — they are identical. 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 | 222 ms | ↑ +15 ms (+7.2%) 160 ms – 257 ms | |
| Long Tasks | 0 | → no change 0 – 0 | |
| DOM Elements | 32 | → no change 32 – 32 | |
| 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 | 1 | → no change 1 – 1 |
Main thread work
| Task | Time | Share | Duration Simulated |
|---|---|---|---|
| other | 55% | 122 ms | |
| script evaluation | 36% | 79 ms | |
| style layout | 4% | 10 ms | |
| paint composite render | 3% | 7 ms | |
| parse HTML | 1% | 3 ms | |
| script parse compile | 1% | 1 ms | |
| Total | 222 ms |
Axe violations axe-core 4.13.0, full rule set
1 violating node across 1 rule, 82 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.
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serious
link-in-text-block— Links must be distinguishable without relying on color 1 nodeOffending element
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p > a<a href="https://www.industrialempathy.com/posts/eleventy-high-performance-blog/">eleventy-high-performance-blog</a>
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Accessibility failures 1 of 14 audits
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link-in-text-block— Links rely on color to be distinguishable. 1 node
Hygiene
Measurement log
Every stored run for this URL, newest first.
| When | Scores | Perf | LCP | CLS | TBT | Weight | Runs | Spread | Bench | Took | Archive |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 10, 2026, 11:21 PM UTC | 98 | 2.45 s | 0 | 0 ms | 337 kB | 3/3 | ±0 | 4,252 +71% | 19.4s |
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| Oct 3, 2026, 5:55 PM UTC | 98 | 2.43 s | 0 | 0 ms | 337 kB | 3/3 | ±0 | 2,504 +1% | 20s |
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| Sep 26, 2026, 2:09 PM UTC | 98 | 2.44 s | 0 | 0 ms | 336 kB | 3/3 | ±0 | 3,332 +34% | 20.3s |
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| Sep 19, 2026, 12:54 PM UTC | 98 | 2.43 s | 0 | 0 ms | 337 kB | 3/3 | ±0 | 2,489 0% | 20.6s |
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| Sep 12, 2026, 11:30 AM UTC | 100 | 825 ms | 0 | 0 ms | 336 kB | 3/3 | ±2 | 2,486 0% | 21.5s |
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| Sep 5, 2026, 8:06 AM UTC | 98 | 2.43 s | 0 | 0 ms | 337 kB | 3/3 | ±0 | 2,434 -2% | 20s |
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| Aug 29, 2026, 5:47 AM UTC | 98 | 2.44 s | 0 | 0 ms | 337 kB | 3/3 | ±2 | 3,045 +22% | 20.5s |
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| Aug 20, 2026, 8:35 PM UTC | 98 | 2.46 s | 0 | 0 ms | 336 kB | 3/3 | ±2 | 2,514 +1% | 20.5s |
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