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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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jfranciscosousa.com

https://jfranciscosousa.com/

99 95 100 100 !AXE CWV

Ranks Overall #691 Built Awesome #554

Data from Sep 12, 2026, 6:12 PM UTC old Measured once a week · 4 runs since Aug 21, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · 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

Vercel Hosted by Vercel

Lighthouse Scores LAB Simulated

99
Performance
no change
95
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 1.67 s good ↑ +124 ms (+8%) 1.55 s – 1.68 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 1.52 s good ↓ -26 ms (-1.7%) 1.52 s – 1.62 s
Speed Index 1.52 s good ↓ -26 ms (-1.7%) 1.52 s – 1.62 s
TTFB Time to First Byte 460 ms good ↓ -11 ms (-2.3%) 460 ms – 522 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 50 ms
time to first byte 13 ms

Page weight

Metric Value Change / range Trend
Page Weight 36.2 kB ↑ +177 B (+0.5%) 35.8 kB – 37.7 kB
Requests 8 → no change 8 – 8
Third-party Weight 15.0 kB ↑ +63 B (+0.4%) 14.4 kB – 16.3 kB
Third-party CPU 6 ms ↑ +2 ms (+43.9%) significant 4 ms – 6 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
script 58.5% 21.2 kB 3
document 34.9% 12.6 kB 1
other 6.6% 2.4 kB 4
Total 36.2 kB 8

Third parties 3 entities

Entity Transfer Size Main thread Simulated
Cloudflare script 10.2 kB 4 ms
zgo.at script 4.4 kB 2 ms
goatcounter.com 381 B 0 ms
Total 15.0 kB 6 ms

Page health

Metric Value Change / range Trend
Main Thread Work 355 ms ↑ +83 ms (+30.3%) significant 273 ms – 373 ms
Long Tasks 0 → no change 0 – 1
DOM Elements 91 → no change 91 – 91
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 2 ↓ -1 (-33.3%) 2 – 3
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 2 → no change 2 – 2

Main thread work

Task Time Share Duration Simulated
other 48% 172 ms
style layout 24% 87 ms
script evaluation 17% 61 ms
parse HTML 5% 18 ms
paint composite render 4% 16 ms
script parse compile 1% 3 ms
Total 355 ms

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 1 rule, 205 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious link-in-text-block — Links must be distinguishable without relying on color 2 nodes

Accessibility failures 1 of 20 audits

  • link-in-text-block — Links rely on color to be distinguishable. 2 nodes

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 12, 2026, 6:12 PM UTC 99 1.67 s 0 0 ms 36.2 kB 3/3 ±0 2,478 0% 21.2s Wayback
Sep 5, 2026, 3:52 PM UTC 99 1.55 s 0 0 ms 36.0 kB 3/3 ±1 3,149 +27% 20.7s Wayback
Aug 29, 2026, 12:28 PM UTC 99 1.68 s 0 0 ms 35.8 kB 3/3 ±1 2,242 -10% 20.9s Wayback
Aug 21, 2026, 1:21 AM UTC 99 1.62 s 0 0 ms 37.7 kB 3/3 ±0 2,462 -1% 21.6s Wayback

Embed this score

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