dockerwebdev.com
Ranks Overall #663 Built Awesome #533
Data from Sep 4, 2026, 11:49 PM UTC old Measured once a week · 3 runs since Aug 20, 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 | 1.24 s good | ↑ +286 ms (+30%) 952 ms – 2.01 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 | ↓ -73 ms (-100%) 0 ms – 73 ms | |
| FCP First Contentful Paint | 938 ms good | ↑ +15 ms (+1.6%) 923 ms – 946 ms | |
| Speed Index | 938 ms good | ↓ -875 ms (-48.3%) 938 ms – 1.81 s | |
| TTFB Time to First Byte | 469 ms good | ↓ -234 ms (-33.3%) 469 ms – 703 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 | 39.7 kB | ↓ -4.9 kB (-11.2%) 39.7 kB – 44.6 kB | |
| Requests | 21 | → no change 21 – 21 | |
| Third-party Weight | 10.3 kB | ↓ -58 B (-0.6%) 10.3 kB – 11.6 kB | |
| Third-party CPU | 10 ms | ↑ +3 ms (+50.8%) 7 ms – 10 ms | |
| Unused JS | 0 B | → no change 0 B – 0 B | |
| Unused CSS | 0 B | → no change 0 B – 0 B |
By resource type
- script 38.2% 15.2 kB · 3 req
- other 31.2% 12.4 kB · 6 req
- document 30.6% 12.1 kB · 1 req
Third parties 3 entities
10.3 kB transferred, 10 ms on the main thread.
Page health
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Main Thread Work | 404 ms | ↓ -205 ms (-33.6%) 404 ms – 609 ms | |
| Long Tasks | 1 | ↓ -1 (-50%) 1 – 2 | |
| DOM Elements | 355 | → no change 355 – 355 | |
| Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) | 4 | → no change 4 – 4 | |
| A11y Failures | 1 | → no change 1 – 1 | |
| A11y Failing Nodes | 3 | → no change 3 – 3 |
Main thread work
Axe violations axe-core 4.13.0, full rule set
4 violating nodes across 2 rules, 556 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 3 nodes -
moderate
region— All page content should be contained by landmarks 1 node
Accessibility failures 1 of 19 audits
-
color-contrast— Background and foreground colors do not have a sufficient contrast ratio. 3 nodes
Hygiene
Measurement log
Every stored run for this URL, newest first.
| When | Scores | Perf | LCP | CLS | TBT | Weight | Runs | Spread | Bench | Took | Archive |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 4, 2026, 11:49 PM UTC | 100 | 1.24 s | 0 | 0 ms | 39.7 kB | 3/3 | ±0 | 2,759 +11% | 22.2s |
|
|
| Aug 28, 2026, 11:29 PM UTC | 100 | 952 ms | 0 | 73 ms | 44.6 kB | 3/3 | ±1 | 3,625 +46% | 22.5s |
|
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| Aug 20, 2026, 9:27 PM UTC | 99 | 2.01 s | 0 | 0 ms | 40.9 kB | 3/3 | ±1 | 2,327 -6% | 23.5s |
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Embed this score
Use this web component to show dockerwebdev.com'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://dockerwebdev.com/"></speedlify2-score>