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.

Charts Compare Measurement runs Embed a score Open to Work

harryjatkins.com

https://harryjatkins.com/

93PERF 77A11Y 100BEST 91SEO ✗AXE –CWV

Ranks Overall #1,430 Astro Showcase #143

Data from Oct 2, 2026, 6:55 AM UTC old Measured once a month · 1 run since Oct 2, 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

Astro 3.0.13 Built with Astro 3.0.13
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

93
Performance
no change
77
Accessibility
no change
100
Best Practices
no change
91
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 3.16 s needs work — 3.16 s – 3.16 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 — 0 – 0
TBT Total Blocking Time 0 ms good — 0 ms – 0 ms
FCP First Contentful Paint 910 ms good — 910 ms – 910 ms
Speed Index 910 ms good — 910 ms – 910 ms
TTFB Time to First Byte 610 ms good — 610 ms – 610 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 282 ms
resource load delay 36 ms
resource load duration 23 ms
time to first byte 21 ms

Page weight

Metric Value Change / range Trend
Page Weight 1.08 MB — 1.08 MB – 1.08 MB
Requests 15 — 15 – 15
Third-party Weight 4.8 kB — 4.8 kB – 4.8 kB
Third-party CPU 6 ms — 6 ms – 6 ms
Unused JS 0 B — 0 B – 0 B
Unused CSS 0 B — 0 B – 0 B

By resource type

Type Transfer Share Size Requests
image 94% 1.02 MB 8
font 3.1% 33.2 kB 1
script 1.4% 15.1 kB 2
document 1% 10.3 kB 1
stylesheet 0.5% 5.2 kB 1
other 0.1% 820 B 2
Total 1.08 MB 15

Third parties 2 entities

Entity Transfer Size Main thread Simulated
zgo.at script 4.4 kB 6 ms
goatcounter.com 382 B 0 ms
Total 4.8 kB 6 ms

Page health

Metric Value Change / range Trend
Main Thread Work 347 ms — 347 ms – 347 ms
Long Tasks 0 — 0 – 0
DOM Elements 381 — 381 – 381
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 56 — 56 – 56
A11y Failures 3 — 3 – 3
A11y Failing Nodes 57 — 57 – 57

Main thread work

Task Time Share Duration Simulated
other 53% 184 ms
style layout 19% 65 ms
script evaluation 17% 60 ms
paint composite render 7% 23 ms
parse HTML 3% 11 ms
script parse compile 1% 5 ms
Total 347 ms

Axe violations axe-core 4.13.0, full rule set

56 violating nodes across 3 rules, 505 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 54 nodes
    Offending elements (5 of 54)
    1. a[href="/"][data-swup=""] 
      <a href="/" data-swup="">Projects</a>
    2. #project-hiruki > .top > .left > .project-type 
      <p class="project-type">Website</p>
    3. #project-hiruki > .top > .right > .project-number 
      <p class="project-number">26</p>
    4. #project-gustav-nordebrink > .top > .left > .project-type 
      <p class="project-type">Website</p>
    5. #project-gustav-nordebrink > .top > .right > .project-number 
      <p class="project-number">25</p>
  • critical button-name — Buttons must have discernible text 1 node
    Offending element
    1. .mobile-menu 
      <button class="mobile-menu button"><svg class="icon icon-menu"><use xlink:href="#icon-menu"></use></svg><svg class="icon icon-minus"><use xlink:href="#icon-minus"></use></svg></button>
  • moderate page-has-heading-one — Page should contain a level-one heading 1 node
    Offending element
    1. html 
      <html lang="en" class="swup-enabled">

Accessibility failures 3 of 14 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 54 nodes
  • target-size — Touch targets do not have sufficient size or spacing. 2 nodes
  • button-name — Buttons do not have an accessible name 1 node

SEO failures 1 of 8 audits

  • link-text — Links do not have descriptive text 1 item

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, 6:55 AM UTC 93 3.16 s 0 0 ms 1.08 MB 3/3 ±8 2,498 +1% 24.4s Wayback