sleepasloth.com
Ranks Overall #1,772 Built Awesome #1,111
Data from Oct 4, 2026, 7:20 PM UTC old Measured once a week · 7 runs since Aug 21, 2026
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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 | 20.29 s poor | ↓ -50 ms (-0.2%) 4.25 s – 20.34 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 – 0.009 | |
| TBT Total Blocking Time | 673 ms poor | ↑ +62 ms (+10.1%) 470 ms – 902 ms | |
| FCP First Contentful Paint | 7.70 s poor | ↓ -1381 ms (-15.2%) 1.80 s – 9.21 s | |
| Speed Index | 8.39 s poor | ↓ -692 ms (-7.6%) 2.39 s – 9.21 s | |
| TTFB Time to First Byte | 628 ms good | ↑ +14 ms (+2.3%) 614 ms – 641 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 | 2.87 MB | ↑ +6.0 kB (+0.2%) 2.56 MB – 2.87 MB | |
| Requests | 285 | ↑ +1 (+0.4%) 224 – 293 | |
| Third-party Weight | 1.36 MB | ↑ +25.6 kB (+2%) 1.25 MB – 1.39 MB | |
| Third-party CPU | 427 ms | ↓ -21 ms (-4.8%) 257 ms – 448 ms | |
| Unused JS | 570 kB | ↑ +2.5 kB (+0.4%) 548 kB – 616 kB | |
| Unused CSS | 22.4 kB | ↑ +428 B (+2%) 10.5 kB – 22.4 kB |
By resource type
| Type | Transfer | Share | Size | Requests |
|---|---|---|---|---|
| script | 53% | 1.52 MB | 78 | |
| other | 34.2% | 981 kB | 161 | |
| image | 5.6% | 162 kB | 6 | |
| stylesheet | 2.9% | 82.1 kB | 31 | |
| font | 2.4% | 69.5 kB | 4 | |
| document | 2% | 56.1 kB | 4 | |
| Total | 2.87 MB | 285 |
Third parties 12 entities
| Entity | Transfer | Size | Main thread Simulated |
|---|---|---|---|
| Google Tag Manager | 490 kB | 101 ms | |
| 210 kB | 104 ms | ||
| pop-convert.com | 160 kB | 69 ms | |
| mailerlite.com | 139 kB | 52 ms | |
| nice-team.net | 117 kB | 17 ms | |
| All 12 | 1.36 MB | 427 ms |
Page health
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Main Thread Work | 5.63 s | ↓ -187 ms (-3.2%) 3.58 s – 5.98 s | |
| Long Tasks | 18 | ↓ -2 (-10%) 9 – 20 | |
| DOM Elements | 1,865 | ↑ +1 (+0.1%) 1,862 – 1,865 | |
| Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) | 45 | → no change 45 – 54 | |
| A11y Failures | 5 | → no change 5 – 5 | |
| A11y Failing Nodes | 49 | → no change 49 – 49 |
Main thread work
| Task | Time | Share | Duration Simulated |
|---|---|---|---|
| script evaluation | 49% | 2.75 s | |
| other | 21% | 1.19 s | |
| style layout | 14% | 800 ms | |
| script parse compile | 10% | 569 ms | |
| parse HTML | 3% | 171 ms | |
| paint composite render | 1% | 79 ms | |
| garbage collection | 1% | 66 ms | |
| Total | 5.63 s |
Axe violations axe-core 4.13.0, full rule set
45 violating nodes across 5 rules, 2491 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.
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serious
color-contrast— Elements must meet minimum color contrast ratio thresholds 35 nodesOffending elements (5 of 35)
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.announcement-bar__message > span<span>** FREE TRACKED UK 48h SHIPPING **</span> -
h4 > strong<strong>"I'm so glad we chose him. He's been a godsend in our household. So cute, so well crafted, and cuddly, our daughter is obsessed as are we! Thank you SleepaSloth" Fiona, Mum of 2</strong> -
.product__text<p class="product__text inline-richtext caption-with-letter-spacing">Shop Now</p> -
.product__title<h2 class="product__title h2">Premium Baby Sound Machine </h2> -
.price__regular > .price-item--regular.price-item<span class="price-item price-item--regular"> £74.00 GBP </span>
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serious
link-name— Links must have discernible text 6 nodesOffending elements (5 of 6)
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#Slide-template--24225308574028__multicolumn_jMjnw3-1 > .multicolumn-card.content-container[target="_blank"]<a href="https://issuu.com/familiesonline/docs/familiessoutheastlondonjanuaryfebruary2024print/10?fr=sNjFiYjY5MzA1MTM" class="multicolumn-card content-container" target="_blank"> -
#Slide-template--24225308574028__multicolumn_jMjnw3-2 > .multicolumn-card.content-container[target="_blank"]<a href="https://www.familyeducation.com/your-baby-sleep/this-new-gadget-will-help-newborns-sleep-better-and-parents-too" class="multicolumn-card content-container" target="_blank"> -
#Slide-template--24225308574028__multicolumn_jMjnw3-3 > .multicolumn-card.content-container[target="_blank"]<a href="https://www.claphammums.com/2022/sleepasloth-the-smart-baby-sleep-aid-made-in-clapham" class="multicolumn-card content-container" target="_blank"> -
#Slide-template--24225308574028__multicolumn_jMjnw3-4 > .multicolumn-card.content-container[target="_blank"]<a href="https://smallbusinesssaturdayuk.com/small-biz-100" class="multicolumn-card content-container" target="_blank"> -
#Slide-template--24225308574028__multicolumn_jMjnw3-5 > .multicolumn-card.content-container[target="_blank"]<a href="https://www.enterprisenation.com/learn-something/laurene-mosely-sleepasloth-startupuk/" class="multicolumn-card content-container" target="_blank">
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moderate
region— All page content should be contained by landmarks 2 nodesOffending elements
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.ml-form-embedContent > p<p><span style="color: rgb(0, 0, 0); font-size: 16px;"><strong>Sign up for occasional news, baby sleep tips and special offers!</strong></span></p> -
.ml-form-formContent<div class="ml-form-formContent">
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minor
empty-heading— Headings should not be empty 1 nodeOffending element
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.section-template--24225308574028__rich_text_kJLKqD-padding > .rich-text__wrapper.rich-text__wrapper--center.page-width > .rich-text__blocks.center > .h1.rich-text__heading.rte<h2 class="rich-text__heading rte inline-richtext h1 scroll-trigger animate--slide-in scroll-trigger--offscreen" data-cascade="" style="--animation-order: 1;"> </h2>
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moderate
heading-order— Heading levels should only increase by one 1 nodeOffending element
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.rich-text__text.rte[data-cascade=""] > h4<h4><strong>"I'm so glad we chose him. He's been a godsend in our household. So cute, so well crafted, and cuddly, our daughter is obsessed as are we! Thank you SleepaSloth" Fiona, Mum of 2</strong><…
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Accessibility failures 5 of 34 audits
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color-contrast— Background and foreground colors do not have a sufficient contrast ratio. 35 nodes -
link-name— Links do not have a discernible name 6 nodes -
target-size— Touch targets do not have sufficient size or spacing. 6 nodes -
heading-order— Heading elements are not in a sequentially-descending order 1 node -
label-content-name-mismatch— Elements with visible text labels do not have matching accessible names. 1 node
Best Practices failures 2 of 19 audits
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third-party-cookies— Uses third-party cookies 2 items -
inspector-issues— Issues were logged in the `Issues` panel in Chrome Devtools 1 item
SEO failures 2 of 10 audits
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meta-description— Document does not have a meta description -
link-text— Links do not have descriptive text 1 item
Hygiene
Measurement log
Every stored run for this URL, newest first.
| When | Scores | Perf | LCP | CLS | TBT | Weight | Runs | Spread | Bench | Took | Archive |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 4, 2026, 7:20 PM UTC | 40 | 20.29 s | 0 | 673 ms | 2.87 MB | 3/3 | ±3 | 2,474 -1% | 56.9s |
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| Sep 27, 2026, 5:39 PM UTC | 41 | 20.34 s | 0 | 611 ms | 2.87 MB | 3/3 | ±12 | 2,490 0% | 50.5s |
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| Sep 20, 2026, 2:38 PM UTC | 68 | 4.25 s | 0.009 | 551 ms | 2.84 MB | 3/3 | ±29 | 2,974 +20% | 49.1s |
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| Sep 13, 2026, 1:53 PM UTC | 39 | 19.91 s | 0 | 702 ms | 2.87 MB | 3/3 | ±23 | 2,491 0% | 53.6s |
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| Sep 6, 2026, 10:28 AM UTC | 43 | 18.19 s | 0 | 518 ms | 2.73 MB | 3/3 | ±13 | 2,604 +5% | 47.5s |
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| Aug 30, 2026, 8:02 AM UTC | 61 | 11.99 s | 0.009 | 470 ms | 2.56 MB | 3/3 | ±4 | 3,571 +44% | 40.5s |
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| Aug 21, 2026, 6:50 AM UTC | 53 | 9.71 s | 0.009 | 902 ms | 2.76 MB | 3/3 | ±37 | 2,451 -1% | 48.4s |
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