sinuous.dev
Data from Aug 21, 2026, 8:39 AM UTC — 10h old.
Built Awesome · 1 measurement · since Aug 21, 2026 · last attempt 10h
Stack
Detected on the same page load as the accessibility pass — the generator
from <meta name="generator"> or the shape of the page,
the host from response headers.
Scores
Lab metrics Lighthouse, mobile
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| LCP Largest Contentful Paint | 13.22 s | — | — | 13.22 s | 13.22 s | |
| CLS Cumulative Layout Shift | 0.010 | — | — | 0.010 | 0.010 | |
| TBT Total Blocking Time | 0 ms | — | — | 0 ms | 0 ms | |
| FCP First Contentful Paint | 3.84 s | — | — | 3.84 s | 3.84 s | |
| Speed Index | 3.84 s | — | — | 3.84 s | 3.84 s | |
| TTFB Time to First Byte | 624 ms | — | — | 624 ms | 624 ms |
What LCP is made of
A flat LCP number tells you something regressed. The subparts tell you whether it was the server, resource discovery, the download, or rendering.
Page weight
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| Page Weight | 2.29 MB | — | — | 2.29 MB | 2.29 MB | |
| Requests | 16 | — | — | 16 | 16 | |
| Third-party Weight | 350.4 kB | — | — | 350.4 kB | 350.4 kB | |
| Third-party CPU | 87 ms | — | — | 87 ms | 87 ms | |
| Unused JS | 39.0 kB | — | — | 39.0 kB | 39.0 kB | |
| Unused CSS | 0 B | — | — | 0 B | 0 B |
By resource type
Third parties 5 entities
350.4 kB transferred, 87 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.
Page health
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| Main Thread Work | 2.65 s | — | — | 2.65 s | 2.65 s | |
| Long Tasks | 3 | — | — | 3 | 3 | |
| DOM Elements | 140 | — | — | 140 | 140 | |
| Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset | 27 | — | — | 27 | 27 | |
| A11y Failures | 2 | — | — | 2 | 2 | |
| A11y Failing Nodes | 9 | — | — | 9 | 9 |
Main thread work
Axe violations axe-core 4.13.0, full rule set
27 violating nodes across 3 rules, 153 passing. This is a standalone axe run, stricter than the subset Lighthouse folds into its score above — and it is the second tiebreaker in the ranking.
-
moderate
region— All page content should be contained by landmarks 18 nodes -
serious
color-contrast— Elements must meet minimum color contrast ratio thresholds 8 nodes -
moderate
landmark-one-main— Document should have one main landmark 1 node
Accessibility failures 2 of 12 audits
Tracked as a count, not just the score — the weighted score is coarse enough that you can ship a broken component and barely move it.
-
color-contrast— Background and foreground colors do not have a sufficient contrast ratio. 8 nodes -
landmark-one-main— Document does not have a main landmark. 1 node
Hygiene
Changes rarely — which is exactly why a change is worth noticing.
Measurement log
Every stored run for this URL, newest first. Failures are kept as records — "this site was down on Tuesday" is data too.
| When | Perf | LCP | CLS | TBT | Weight | Runs | Spread | Bench | Took |
|---|---|---|---|---|---|---|---|---|---|
| Aug 21, 2026, 8:39 AM UTC | 66 | 13.22 s | 0.010 | 0 ms | 2.29 MB | 3/3 | ±3 | 2,474 | 29.5s |
Embed this score
Live below, then the markup that produces it. Drop that on any page to show
sinuous.dev's scores, updated whenever this instance
re-measures — more about the component. Don’t forget to bundle the speedlify-score.js component code into your site!
<speedlify-score speedlify-url="https://zachleat.github.io/speedlify2/" url="https://sinuous.dev/"></speedlify-score>