uncenter.dev
Ranks Overall #1,050 Built Awesome #810
Data from Sep 6, 2026, 4:46 PM UTC old Measured once a week · 3 runs since Aug 21, 2026
Elsewhere:
PageSpeed Insights ·
Calibre ·
Treo ·
CrUX Vis ·
Wayback Machine
Stack
Lighthouse Scores
Metrics Lighthouse, mobile
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 Lighthouse | ||
|---|---|---|---|
| Value | Change / range | Trend | |
| LCP CWV (estimate) Largest Contentful Paint | 1.68 s good | ↓ -37 ms (-2.2%) 1.68 s – 1.72 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 | 1.53 s good | ↓ -43 ms (-2.7%) 1.53 s – 1.57 s | |
| Speed Index | 1.53 s good | ↓ -43 ms (-2.7%) 1.53 s – 1.57 s | |
| TTFB Time to First Byte | 466 ms good | ↓ -11 ms (-2.3%) 466 ms – 477 ms | |
LCP Subparts lab observed, unthrottled
The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab LCP shown above is throttled.
Page weight
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Page Weight | 130 kB | ↑ +625 B (+0.5%) 130 kB – 132 kB | |
| Requests | 13 | → no change 13 – 13 | |
| Third-party Weight | 10.2 kB | ↑ +616 B (+6.4%) 9.6 kB – 11.5 kB | |
| Third-party CPU | 4 ms | ↑ +0 ms (+5%) 3 ms – 4 ms | |
| Unused JS | 0 B | → no change 0 B – 0 B | |
| Unused CSS | 0 B | → no change 0 B – 0 B |
By resource type
- other 57.4% 74.9 kB · 6 req
- font 21.7% 28.3 kB · 1 req
- script 10.2% 13.3 kB · 2 req
- document 4.3% 5.6 kB · 1 req
- stylesheet 3.7% 4.8 kB · 1 req
- image 2.8% 3.7 kB · 1 req
Third parties 1 entities
10.2 kB transferred, 4 ms on the main thread.
Page health
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Main Thread Work | 226 ms | ↑ +17 ms (+8.3%) significant 208 ms – 226 ms | |
| Long Tasks | 0 | → no change 0 – 0 | |
| DOM Elements | 67 | → no change 67 – 67 | |
| Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) | 15 | → no change 15 – 15 | |
| A11y Failures | 1 | → no change 1 – 1 | |
| A11y Failing Nodes | 15 | → no change 15 – 15 |
Main thread work
Axe violations axe-core 4.13.0, full rule set
15 violating nodes across 1 rule, 205 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.
-
serious
color-contrast— Elements must meet minimum color contrast ratio thresholds 15 nodes
Accessibility failures 1 of 25 audits
-
color-contrast— Background and foreground colors do not have a sufficient contrast ratio. 15 nodes
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 → 2026-09-05 | No data — 25 weeks under the CrUX reporting threshold | ||||
Runs
Every stored run for this URL, newest first.
Embed this score
Use this web component to show uncenter.dev'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://uncenter.dev/"></speedlify2-score>