ruby-style-guide.shopify.dev
https://ruby-style-guide.shopify.dev/
Data from Aug 21, 2026, 6:52 AM UTC — 12h old.
11ty Emeritus · 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 | 909 ms | — | — | 909 ms | 909 ms | |
| CLS Cumulative Layout Shift | 0 | — | — | 0 | 0 | |
| TBT Total Blocking Time | 0 ms | — | — | 0 ms | 0 ms | |
| FCP First Contentful Paint | 909 ms | — | — | 909 ms | 909 ms | |
| Speed Index | 909 ms | — | — | 909 ms | 909 ms | |
| TTFB Time to First Byte | 609 ms | — | — | 609 ms | 609 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 | 15.3 kB | — | — | 15.3 kB | 15.3 kB | |
| Requests | 2 | — | — | 2 | 2 | |
| Third-party Weight | 0 B | — | — | 0 B | 0 B | |
| Third-party CPU | 0 ms | — | — | 0 ms | 0 ms | |
| Unused JS | 0 B | — | — | 0 B | 0 B | |
| Unused CSS | 0 B | — | — | 0 B | 0 B |
By resource type
Page health
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| Main Thread Work | 223 ms | — | — | 223 ms | 223 ms | |
| Long Tasks | 1 | — | — | 1 | 1 | |
| DOM Elements | 2,368 | — | — | 2,368 | 2,368 | |
| Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset | 184 | — | — | 184 | 184 | |
| A11y Failures | 4 | — | — | 4 | 4 | |
| A11y Failing Nodes | 139 | — | — | 139 | 139 |
Main thread work
Axe violations axe-core 4.13.0, full rule set
184 violating nodes across 6 rules, 3797 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 161 nodes -
serious
scrollable-region-focusable— Scrollable region must have keyboard access 13 nodes -
serious
link-in-text-block— Links must be distinguishable without relying on color 7 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 -
moderate
region— All page content should be contained by landmarks 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. 130 nodes -
link-in-text-block— Links rely on color to be distinguishable. 7 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, 6:52 AM UTC | 100 | 909 ms | 0 | 0 ms | 15.3 kB | 3/3 | ±0 | 2,549 | 27.9s |
Embed this score
Live below, then the markup that produces it. Drop that on any page to show
ruby-style-guide.shopify.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://ruby-style-guide.shopify.dev/"></speedlify-score>