subtle.blades.ninja
Data from Aug 21, 2026, 8:45 AM UTC — 9h old.
Build Awesome Starters · 1 measurement · since Aug 21, 2026 · last attempt 9h
https://content.build.blades.ninja/.
Lighthouse follows the redirect, so the numbers below describe the destination page, not this one. Not yet confirmed as a move; it needs to lead to the same place on several consecutive runs first.
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 | 3.42 s | — | — | 3.42 s | 3.42 s | |
| CLS Cumulative Layout Shift | 0.116 | — | — | 0.116 | 0.116 | |
| TBT Total Blocking Time | 165 ms | — | — | 165 ms | 165 ms | |
| FCP First Contentful Paint | 2.61 s | — | — | 2.61 s | 2.61 s | |
| Speed Index | 2.61 s | — | — | 2.61 s | 2.61 s | |
| TTFB Time to First Byte | 621 ms | — | — | 621 ms | 621 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 | 506.4 kB | — | — | 506.4 kB | 506.4 kB | |
| Requests | 33 | — | — | 33 | 33 | |
| Third-party Weight | 482.5 kB | — | — | 482.5 kB | 482.5 kB | |
| Third-party CPU | 113 ms | — | — | 113 ms | 113 ms | |
| Unused JS | 139.6 kB | — | — | 139.6 kB | 139.6 kB | |
| Unused CSS | 40.0 kB | — | — | 40.0 kB | 40.0 kB |
By resource type
Third parties 6 entities
482.5 kB transferred, 113 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 | 1.19 s | — | — | 1.19 s | 1.19 s | |
| Long Tasks | 7 | — | — | 7 | 7 | |
| DOM Elements | 177 | — | — | 177 | 177 | |
| Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset | 12 | — | — | 12 | 12 | |
| A11y Failures | 3 | — | — | 3 | 3 | |
| A11y Failing Nodes | 12 | — | — | 12 | 12 |
Main thread work
Axe violations axe-core 4.13.0, full rule set
12 violating nodes across 3 rules, 312 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.
-
critical
image-alt— Images must have alternative text 8 nodes -
serious
object-alt— <object> elements must have alternative text 3 nodes -
serious
link-name— Links must have discernible text 1 node
Accessibility failures 3 of 20 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.
-
image-alt— Image elements do not have `[alt]` attributes 8 nodes -
object-alt— `<object>` elements do not have alternate text 3 nodes -
link-name— Links do not have a discernible name 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, 8:45 AM UTC | 82 | 3.42 s | 0.116 | 165 ms | 506.4 kB | 3/3 | ±8 | 2,423 | 26s |
Embed this score
Live below, then the markup that produces it. Drop that on any page to show
subtle.blades.ninja'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://subtle.blades.ninja/"></speedlify-score>