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

juanfernandes.uk

https://www.juanfernandes.uk/

99PERF 100A11Y 96BEST 92SEO !AXE –CWV

Ranks Overall #839 Built Awesome #618

Data from Oct 6, 2026, 6:48 PM UTC old Measured once a week · 8 runs since Aug 21, 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 Built with Eleventy
Li Hosted by Self-hosted

Lighthouse Scores LAB Simulated

99
Performance
↓ -1 (-1%)
100
Accessibility
no change
96
Best Practices
no change
92
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 1.86 s good ↑ +804 ms (+76.1%) significant 1.05 s – 1.86 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 – 429 ms
FCP First Contentful Paint 1.11 s good ↑ +54 ms (+5.1%) significant 1.05 s – 1.11 s
Speed Index 2.33 s good ↑ +1271 ms (+120.2%) significant 1.05 s – 2.33 s
TTFB Time to First Byte 736 ms good ↑ +57 ms (+8.4%) 679 ms – 976 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 1.20 s
time to first byte 137 ms

Page weight

Metric Value Change / range Trend
Page Weight 153 kB ↓ -3.5 kB (-2.3%) 153 kB – 157 kB
Requests 14 ↓ -1 (-6.7%) 14 – 15
Third-party Weight 22.3 kB ↓ -3.7 kB (-14.4%) 22.3 kB – 26.2 kB
Third-party CPU 0 ms → no change 0 ms – 0 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 11.1 kB → no change 11.1 kB – 11.1 kB

By resource type

Type Transfer Share Size Requests
other 63.3% 95.1 kB 4
image 14.8% 22.3 kB 4
document 10.2% 15.3 kB 1
stylesheet 9.8% 14.8 kB 2
script 1.9% 2.8 kB 2
Total 153 kB 14

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Cloudinary image 22.3 kB 0 ms
Total 22.3 kB 0 ms

Page health

Metric Value Change / range Trend
Main Thread Work 320 ms ↓ -53 ms (-14.3%) 276 ms – 749 ms
Long Tasks 1 → no change 0 – 1
DOM Elements 331 ↓ -1 (-0.3%) 331 – 336
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 5 → no change 5 – 5
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

Task Time Share Duration Simulated
other 45% 143 ms
style layout 42% 134 ms
parse HTML 5% 17 ms
script evaluation 5% 15 ms
paint composite render 3% 10 ms
script parse compile 0% 1 ms
Total 320 ms

Axe violations axe-core 4.13.0, full rule set

5 violating nodes across 2 rules, 324 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 4 nodes
    Offending elements
    1. img[alt="SO5 Clothing"] 
      <img class="project__img" src="https://res.cloudinary.com/juanfernandes/f_auto,w_200,h_200/work/projects/so5-recent.jpg" alt="SO5 Clothing" width="200" height="200" loading="lazy">
    2. img[alt="BKMRKS"] 
      <img class="project__img" src="https://res.cloudinary.com/juanfernandes/f_auto,w_200,h_200/work/projects/bkmrks-recent.jpg" alt="BKMRKS" width="200" height="200" loading="lazy">
    3. img[alt="NFT Merch Shop"] 
      <img class="project__img" src="https://res.cloudinary.com/juanfernandes/f_auto,w_200,h_200/work/projects/nftms-recent.jpg" alt="NFT Merch Shop" width="200" height="200" loading="lazy">
    4. img[alt="Multi Creative Media"] 
      <img class="project__img" src="https://res.cloudinary.com/juanfernandes/f_auto,w_200,h_200/work/projects/mcm-recent.jpg" alt="Multi Creative Media" width="200" height="200" loading="lazy">
  • moderate region — All page content should be contained by landmarks 1 node
    Offending element
    1. .announcement 
      <div class="announcement"> <span>Availability: I have availability for new projects.</span> </div>

Best Practices failures 1 of 19 audits

  • errors-in-console — Browser errors were logged to the console 1 item

SEO failures 1 of 10 audits

  • link-text — Links do not have descriptive text 2 items

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2 1 console error

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 6, 2026, 6:48 PM UTC 99 1.86 s 0 0 ms 153 kB 3/3 ±2 2,472 -1% 27.7s Wayback
Sep 29, 2026, 5:43 PM UTC 100 1.06 s 0 0 ms 156 kB 3/3 ±0 2,457 -1% 23.8s Wayback
Sep 22, 2026, 2:22 PM UTC 90 1.05 s 0 429 ms 153 kB 3/3 ±11 3,359 +35% 23.4s Wayback
Sep 15, 2026, 11:10 AM UTC 100 1.06 s 0 0 ms 156 kB 3/3 ±0 2,277 -8% 24.6s Wayback
Sep 8, 2026, 5:44 AM UTC 100 1.05 s 0 0 ms 153 kB 3/3 ±0 3,374 +36% 23.4s Wayback
Sep 1, 2026, 1:50 AM UTC 100 1.10 s 0 0 ms 157 kB 3/3 ±1 2,474 -1% 26.5s Wayback
Aug 30, 2026, 11:16 PM UTC TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 22.3s
Aug 21, 2026, 10:46 AM UTC 100 1.09 s 0 0 ms 157 kB 3/3 ±1 2,998 +21% 25.4s Wayback

Embed this score

Use this web component to show juanfernandes.uk'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://www.juanfernandes.uk/"></speedlify2-score>