speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time. Follow us on Mastodon or Bluesky.

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11ty-nostrils.netlify.app

https://11ty-nostrils.netlify.app/

100PERF 97A11Y 100BEST 100SEO ✗AXE –CWV

Ranks Overall #1,155 Build Awesome Starters #128

Data from Oct 2, 2026, 11:00 PM UTC old Measured once a week · 7 runs since Aug 20, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Tame the Bots · Scoring Calculator · Wayback Machine

Lab data is measured using Lighthouse, Mobile mode unless otherwise specified. Field data is reported from Chrome UX Report (using p75 measurements).

Stack

Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

100
Performance
no change
97
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Metrics LAB

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 Simulated
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 791 ms good ↓ -5 ms (-0.6%) 770 ms – 817 ms
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 791 ms good ↓ -5 ms (-0.6%) 770 ms – 817 ms
Speed Index 791 ms good ↓ -5 ms (-0.6%) 770 ms – 817 ms
TTFB Time to First Byte 625 ms good ↓ -4 ms (-0.6%) 605 ms – 652 ms

LCP Subparts LAB Unthrottled

The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab LCP shown above is a simulated throttled estimate.

element render delay 52 ms
time to first byte 27 ms

Page weight

Metric Value Change / range Trend
Page Weight 33.7 kB ↓ -3 B 18.4 kB – 33.7 kB
Requests 5 → no change 4 – 5
Third-party Weight 0 B → no change 0 B – 0 B
Third-party CPU 0 ms → no change 0 ms – 0 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
image 91.8% 17.0 kB 1
document 6% 1.1 kB 1
stylesheet 1.4% 265 B 1
script 0.8% 152 B 1
Total 33.7 kB 5

Without JavaScript

The same load, photographed twice at 412×823: once with scripts disabled, once as rendered.

Scripts disabled
As rendered

1.1% of pixels differ — they are nearly identical. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.

Page health

Metric Value Change / range Trend
Main Thread Work 102 ms ↓ -9 ms (-8.3%) 83 ms – 112 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 44 → no change 44 – 44
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 21 → no change 21 – 21
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 1 → no change 1 – 1

Main thread work

Task Time Share Duration Simulated
other 67% 68 ms
style layout 13% 13 ms
script evaluation 11% 11 ms
paint composite render 6% 6 ms
parse HTML 3% 3 ms
script parse compile 1% 1 ms
Total 102 ms

Axe violations axe-core 4.13.0, full rule set

21 violating nodes across 2 rules, 107 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate region — All page content should be contained by landmarks 20 nodes
    Offending elements (5 of 20)
    1. img 
      <img class="" alt="Nostrils" loading="lazy" src="/images/4dbfadf8-600.png" width="600" height="94">
    2. h1 
      <h1>11ty Nostrils</h1>
    3. p:nth-child(3) 
      <p>A starter config for <a href="https://github.com/11ty/eleventy">Eleventy</a> with pipelines for Typescript and PostCSS.</p>
    4. h2:nth-child(4) 
      <h2>Features</h2>
    5. ul:nth-child(5) 
      <ul>
  • moderate landmark-one-main — Document should have one main landmark 1 node
    Offending element
    1. html 
      <html lang="en">

Accessibility failures 1 of 13 audits

  • landmark-one-main — Document does not have a main landmark. 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 2, 2026, 11:00 PM UTC 100 791 ms 0 0 ms 33.7 kB 3/3 ±0 2,699 +9% 21.6s Wayback
Sep 25, 2026, 11:20 AM UTC 100 796 ms 0 0 ms 33.7 kB 3/3 ±0 2,478 0% 21.5s Wayback
Sep 18, 2026, 8:53 AM UTC 100 782 ms 0 0 ms 18.6 kB 3/3 ±0 2,994 +20% 19.9s Wayback
Sep 11, 2026, 8:42 AM UTC 100 787 ms 0 0 ms 18.6 kB 3/3 ±0 2,479 0% 21s Wayback
Sep 4, 2026, 5:47 AM UTC 100 796 ms 0 0 ms 18.6 kB 3/3 ±0 2,368 -5% 21.2s Wayback
Aug 28, 2026, 1:22 AM UTC 100 817 ms 0 0 ms 18.6 kB 3/3 ±0 2,482 0% 21.4s Wayback
Aug 20, 2026, 7:05 PM UTC 100 770 ms 0 0 ms 18.4 kB 3/3 ±0 2,488 0% 21.3s Wayback

Embed this score

Use this web component to show 11ty-nostrils.netlify.app'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://11ty-nostrils.netlify.app/"></speedlify2-score>