belter.io
Ranks Overall #660 Built Awesome #493
Data from Oct 5, 2026, 8:25 AM UTC old Measured once a week · 7 runs since Aug 21, 2026
Elsewhere:
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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 | 918 ms good | ↑ +15 ms (+1.7%) 799 ms – 1.01 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 | 918 ms good | ↑ +125 ms (+15.8%) significant 789 ms – 918 ms | |
| Speed Index | 1.01 s good | ↑ +215 ms (+27.1%) significant 789 ms – 1.01 s | |
| TTFB Time to First Byte | 725 ms good | ↑ +122 ms (+20.2%) significant 603 ms – 725 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 | 29.1 kB | ↑ +281 B (+1%) 28.6 kB – 29.1 kB | |
| Requests | 5 | → no change 5 – 5 | |
| 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 |
|---|---|---|---|---|
| image | 44.8% | 13.1 kB | 1 | |
| other | 27.1% | 7.9 kB | 2 | |
| document | 25.7% | 7.5 kB | 1 | |
| script | 2.4% | 713 B | 1 | |
| Total | 29.1 kB | 5 |
Page health
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Main Thread Work | 161 ms | ↓ -3 ms (-1.8%) 96 ms – 191 ms | |
| Long Tasks | 0 | → no change 0 – 0 | |
| DOM Elements | 247 | → no change 247 – 247 | |
| Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) | 2 | → no change 2 – 2 | |
| A11y Failures | 1 | → no change 1 – 1 | |
| A11y Failing Nodes | 1 | → no change 1 – 1 |
Main thread work
| Task | Time | Share | Duration Simulated |
|---|---|---|---|
| other | 45% | 73 ms | |
| style layout | 34% | 55 ms | |
| script evaluation | 8% | 13 ms | |
| paint composite render | 6% | 9 ms | |
| parse HTML | 6% | 9 ms | |
| script parse compile | 1% | 1 ms | |
| Total | 161 ms |
Axe violations axe-core 4.13.0, full rule set
2 violating nodes across 2 rules, 461 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.
-
moderate
heading-order— Heading levels should only increase by one 1 nodeOffending element
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.site-footer__col:nth-child(1) > h5<h5>Get in touch</h5>
-
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moderate
region— All page content should be contained by landmarks 1 nodeOffending element
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label<label tabindex="0" for="menu-toggle" class="burger"><span></span> <span></span> <span></span><div class="burger-text">Menu</div></label>
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Accessibility failures 1 of 15 audits
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heading-order— Heading elements are not in a sequentially-descending order 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 5, 2026, 8:25 AM UTC | 100 | 918 ms | 0 | 0 ms | 29.1 kB | 3/3 | ±0 | 2,443 -2% | 21.9s |
|
|
| Sep 28, 2026, 3:52 AM UTC | 100 | 903 ms | 0 | 0 ms | 28.8 kB | 3/3 | ±0 | 2,380 -4% | 21.9s |
|
|
| Sep 20, 2026, 8:49 PM UTC | 100 | 799 ms | 0 | 0 ms | 29.0 kB | 3/3 | ±0 | 4,327 +74% | 19.5s |
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| Sep 13, 2026, 8:31 PM UTC | 100 | 815 ms | 0 | 0 ms | 28.6 kB | 3/3 | ±0 | 3,252 +31% | 21.1s |
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| Sep 6, 2026, 7:05 PM UTC | 100 | 1.01 s | 0 | 0 ms | 29.1 kB | 3/3 | ±0 | 2,269 -9% | 22s |
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|
| Aug 30, 2026, 6:06 PM UTC | 100 | 810 ms | 0 | 0 ms | 28.9 kB | 3/3 | ±0 | 2,358 -5% | 21.8s |
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| Aug 21, 2026, 11:25 AM UTC | 100 | 904 ms | 0 | 0 ms | 28.9 kB | 3/3 | ±0 | 2,501 +1% | 22.1s |
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Embed this score
Use this web component to show belter.io's scores on any website, updated whenever this instance re-measures. Don’t forget to bundle the speedlify2-score.js component code into your site!
<speedlify2-score speedlify-url="https://www.speedlify.dev/" url="https://www.belter.io/"></speedlify2-score>