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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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johnskinnerportfolio.com

https://johnskinnerportfolio.com/

96PERF 100A11Y 100BEST 100SEO ✓AXE –CWV

Ranks Overall #326 Built Awesome #257

Data from Oct 3, 2026, 11:38 PM UTC old Measured once a week · 7 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

Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

96
Performance
↓ -1 (-1%)
100
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 1.88 s good ↑ +277 ms (+17.3%) 1.56 s – 2.02 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.097 good → no change 0.097 – 0.111
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.58 s good ↑ +34 ms (+2.2%) 1.53 s – 1.58 s
Speed Index 1.58 s good ↑ +34 ms (+2.2%) 1.53 s – 1.58 s
TTFB Time to First Byte 483 ms good ↓ -1 ms (-0.2%) 467 ms – 634 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 282 ms
element render delay 226 ms

Page weight

Metric Value Change / range Trend
Page Weight 62.5 kB ↑ +175 B (+0.3%) 61.4 kB – 63.5 kB
Requests 9 → no change 9 – 9
Third-party Weight 10.3 kB ↑ +126 B (+1.2%) 9.6 kB – 11.4 kB
Third-party CPU 4 ms ↓ -1 ms (-11.4%) 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
font 73.2% 43.9 kB 3
script 17.2% 10.3 kB 1
document 4.4% 2.7 kB 1
stylesheet 4.4% 2.6 kB 2
other 0.8% 471 B 1
Total 62.5 kB 9

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Cloudflare script 10.3 kB 4 ms
Total 10.3 kB 4 ms

Page health

Metric Value Change / range Trend
Main Thread Work 162 ms ↓ -28 ms (-14.8%) 148 ms – 230 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 50 → no change 47 – 50
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 → no change 0 – 0
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

Task Time Share Duration Simulated
other 46% 75 ms
script evaluation 25% 40 ms
style layout 22% 36 ms
paint composite render 3% 5 ms
parse HTML 3% 5 ms
script parse compile 1% 2 ms
Total 162 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 101 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

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
Oct 3, 2026, 11:38 PM UTC 96 1.88 s 0.097 0 ms 62.5 kB 3/3 ±1 2,950 +19% 20.3s Wayback
Sep 26, 2026, 10:00 PM UTC 97 1.60 s 0.097 0 ms 62.3 kB 3/3 ±2 2,488 0% 20.8s Wayback
Sep 19, 2026, 7:16 PM UTC 97 1.56 s 0.097 0 ms 62.1 kB 3/3 ±0 2,993 +20% 19.7s Wayback
Sep 12, 2026, 6:13 PM UTC 96 2.01 s 0.097 0 ms 62.3 kB 3/3 ±1 2,504 +1% 20.6s Wayback
Sep 5, 2026, 5:55 PM UTC 96 2.02 s 0.111 0 ms 62.3 kB 3/3 ±2 2,235 -10% 22.4s Wayback
Aug 29, 2026, 4:58 PM UTC 97 1.56 s 0.097 0 ms 61.4 kB 3/3 ±1 2,716 +9% 23s Wayback
Aug 21, 2026, 1:23 AM UTC 97 1.72 s 0.097 0 ms 63.5 kB 3/3 ±1 2,494 0% 22s Wayback

Embed this score

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