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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danleatherman.com

https://danleatherman.com/

99PERF 93A11Y 100BEST 100SEO ✗AXE –CWV

Ranks Overall #1,198 Built Awesome #824

Data from Oct 3, 2026, 1:08 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

Eleventy 3.1.5 Built with Eleventy 3.1.5
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

99
Performance
↓ -1 (-1%)
93
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 1.85 s good ↑ +115 ms (+6.6%) 981 ms – 1.96 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 → no change 0 ms – 0 ms
FCP First Contentful Paint 1.14 s good ↑ +148 ms (+14.9%) significant 970 ms – 1.14 s
Speed Index 1.40 s good ↑ +402 ms (+40.4%) significant 970 ms – 1.40 s
TTFB Time to First Byte 750 ms good ↑ +141 ms (+23.2%) significant 605 ms – 750 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.

time to first byte 466 ms
element render delay 66 ms

Page weight

Metric Value Change / range Trend
Page Weight 635 kB ↑ +545 B (+0.1%) 635 kB – 635 kB
Requests 14 → no change 14 – 14
Third-party Weight 2.7 kB → no change 2.7 kB – 2.7 kB
Third-party CPU 5 ms ↑ +3 ms (+119%) significant 1 ms – 5 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 92.2% 524 kB 7
document 6.2% 35.4 kB 1
script 1.5% 8.4 kB 4
other 0.1% 521 B 1
Total 635 kB 14

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Plausible scriptother 2.7 kB 5 ms
Total 2.7 kB 5 ms

Page health

Metric Value Change / range Trend
Main Thread Work 472 ms ↑ +9 ms (+1.9%) 243 ms – 472 ms
Long Tasks 1 → no change 0 – 1
DOM Elements 257 → no change 257 – 257
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 8 → no change 8 – 8
A11y Failures 2 → no change 2 – 2
A11y Failing Nodes 4 → no change 4 – 4

Main thread work

Task Time Share Duration Simulated
other 37% 175 ms
style layout 36% 170 ms
paint composite render 11% 51 ms
script evaluation 11% 51 ms
parse HTML 4% 20 ms
script parse compile 1% 5 ms
Total 472 ms

Axe violations axe-core 4.13.0, full rule set

8 violating nodes across 4 rules, 400 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • minor image-redundant-alt — Alternative text of images should not be repeated as text 3 nodes
    Offending elements
    1. img[alt="Substack: Brainrot Pharmacy"] 
      <img alt="Substack: Brainrot Pharmacy" loading="lazy" decoding="async" src="/images/0usZJttabg-1200.png" width="1200" height="628">
    2. img[src$="Vk0RzeBPnA-1200.png"] 
      <img alt="Starry Internet: Account Creation" loading="lazy" decoding="async" src="/images/Vk0RzeBPnA-1200.png" width="1200" height="628">
    3. img[src$="9Qc4tQClzQ-1200.png"] 
      <img alt="Nucleus: Shipping to Multiple Destinations" loading="lazy" decoding="async" src="/images/9Qc4tQClzQ-1200.png" width="1200" height="628">
  • serious link-name — Links must have discernible text 3 nodes
    Offending elements
    1. a[href$="firstmark"] 
      <a href="/work/firstmark">
    2. a[href$="pepper/"] 
      <a href="/work/pepper/">
    3. li:nth-child(6) > a[href$="starry/"] 
      <a href="/work/starry/">
  • moderate landmark-unique — Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 1 node
    Offending element
    1. nav:nth-child(1) 
      <nav class="main"><ul><li><a href="/">Dan Leatherman</a></li></ul></nav>
  • moderate region — All page content should be contained by landmarks 1 node
    Offending element
    1. ul[role="list"] 
      <ul class="marquee__content list-unstyled" role="list">

Accessibility failures 2 of 29 audits

  • link-name — Links do not have a discernible name 3 nodes
  • target-size — Touch targets do not have sufficient size or spacing. 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 3, 2026, 1:08 PM UTC 99 1.85 s 0 0 ms 635 kB 3/3 ±1 2,423 -3% 22.6s Wayback
Sep 26, 2026, 9:12 AM UTC 100 1.73 s 0 0 ms 635 kB 3/3 ±0 2,500 +1% 22.5s Wayback
Sep 19, 2026, 8:36 AM UTC 100 1.76 s 0 0 ms 635 kB 3/3 ±0 2,496 0% 22.9s Wayback
Sep 12, 2026, 1:08 AM UTC 99 1.85 s 0 0 ms 635 kB 3/3 ±1 2,417 -3% 22.5s Wayback
Sep 4, 2026, 11:48 PM UTC 100 1.77 s 0 0 ms 635 kB 3/3 ±0 2,698 +9% 22.4s Wayback
Aug 28, 2026, 11:26 PM UTC 100 981 ms 0 0 ms 635 kB 3/3 ±4 2,931 +18% 22.7s Wayback
Aug 20, 2026, 8:41 PM UTC 99 1.96 s 0 0 ms 635 kB 3/3 ±1 2,501 +1% 22.8s Wayback

Embed this score

Use this web component to show danleatherman.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://danleatherman.com/"></speedlify2-score>