practical.guide
Data from Aug 21, 2026, 6:48 AM UTC — 12h old.
Built Awesome · 1 measurement · since Aug 21, 2026 · last attempt 12h
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 | 9.53 s | — | — | 9.53 s | 9.53 s | |
| CLS Cumulative Layout Shift | 0 | — | — | 0 | 0 | |
| TBT Total Blocking Time | 149 ms | — | — | 149 ms | 149 ms | |
| FCP First Contentful Paint | 3.10 s | — | — | 3.10 s | 3.10 s | |
| Speed Index | 3.13 s | — | — | 3.13 s | 3.13 s | |
| TTFB Time to First Byte | 1.13 s | — | — | 1.13 s | 1.13 s |
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 | 4.14 MB | — | — | 4.14 MB | 4.14 MB | |
| Requests | 13 | — | — | 13 | 13 | |
| Third-party Weight | 382.3 kB | — | — | 382.3 kB | 382.3 kB | |
| Third-party CPU | 87 ms | — | — | 87 ms | 87 ms | |
| Unused JS | 137.0 kB | — | — | 137.0 kB | 137.0 kB | |
| Unused CSS | 0 B | — | — | 0 B | 0 B |
By resource type
Third parties 3 entities
382.3 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 | 706 ms | — | — | 706 ms | 706 ms | |
| Long Tasks | 4 | — | — | 4 | 4 | |
| DOM Elements | 162 | — | — | 162 | 162 | |
| Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset | 24 | — | — | 24 | 24 | |
| A11y Failures | 4 | — | — | 4 | 4 | |
| A11y Failing Nodes | 22 | — | — | 22 | 22 |
Main thread work
Axe violations axe-core 4.13.0, full rule set
24 violating nodes across 5 rules, 272 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.
-
serious
color-contrast— Elements must meet minimum color contrast ratio thresholds 18 nodes -
critical
image-alt— Images must have alternative text 2 nodes -
moderate
region— All page content should be contained by landmarks 2 nodes -
moderate
heading-order— Heading levels should only increase by one 1 node -
moderate
landmark-one-main— Document should have one main landmark 1 node
Accessibility failures 4 of 13 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. 18 nodes -
image-alt— Image elements do not have `[alt]` attributes 2 nodes -
heading-order— Heading elements are not in a sequentially-descending order 1 node -
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, 6:48 AM UTC | 67 | 9.53 s | 0 | 149 ms | 4.14 MB | 3/3 | ±21 | 2,449 | 30.8s |
Embed this score
Live below, then the markup that produces it. Drop that on any page to show
practical.guide'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://practical.guide/"></speedlify-score>