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

jerseycitybitcoin.com

https://jerseycitybitcoin.com/

93PERF 74A11Y 77BEST 82SEO !AXE –CWV

Ranks Overall #1,110 Built Awesome #773

Data from Oct 3, 2026, 11:36 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

Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

93
Performance
↑ +14 (+17.7%)
74
Accessibility
no change
77
Best Practices
no change
82
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 1.92 s good ↓ -1011 ms (-34.5%) 1.59 s – 2.93 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.128 needs work ↓ -0.057 (-30.8%) significant 0.128 – 0.185
TBT Total Blocking Time 82 ms good ↓ -84 ms (-50.6%) 82 ms – 205 ms
FCP First Contentful Paint 1.92 s needs work ↓ -1011 ms (-34.5%) 1.59 s – 2.93 s
Speed Index 1.92 s good ↓ -1011 ms (-34.5%) 1.59 s – 2.93 s
TTFB Time to First Byte 529 ms good ↑ +45 ms (+9.3%) 484 ms – 619 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 134 ms
time to first byte 82 ms

Page weight

Metric Value Change / range Trend
Page Weight 461 kB ↓ -169.4 kB (-27.4%) significant 461 kB – 634 kB
Requests 24 ↓ -2 (-7.7%) 24 – 30
Third-party Weight 439 kB ↓ -169.4 kB (-28.3%) significant 439 kB – 613 kB
Third-party CPU 87 ms ↓ -38 ms (-30.6%) 87 ms – 134 ms
Unused JS 150 kB ↓ -115.9 kB (-44.2%) significant 150 kB – 268 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
script 74.3% 342 kB 8
font 22% 101 kB 3
stylesheet 2.7% 12.2 kB 8
document 0.7% 3.2 kB 1
other 0.2% 1.1 kB 3
Total 461 kB 24

Third parties 5 entities

Entity Transfer Size Main thread Simulated
Google Tag Manager script 299 kB 68 ms
Google Fonts font 103 kB 0 ms
Clarity 27.2 kB 16 ms
Cloudflare 10.2 kB 3 ms
bitpay.com 394 B 0 ms
Total 439 kB 87 ms

Page health

Metric Value Change / range Trend
Main Thread Work 644 ms ↓ -228 ms (-26.2%) 644 ms – 908 ms
Long Tasks 4 ↓ -1 (-20%) significant 4 – 6
DOM Elements 117 → no change 111 – 117
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 4 → no change 4 – 4
A11y Failures 5 → no change 5 – 5
A11y Failing Nodes 5 → no change 5 – 5

Main thread work

Task Time Share Duration Simulated
script evaluation 53% 339 ms
other 21% 136 ms
style layout 11% 71 ms
script parse compile 10% 66 ms
garbage collection 2% 14 ms
paint composite render 2% 10 ms
parse HTML 1% 9 ms
Total 644 ms

Axe violations axe-core 4.13.0, full rule set

4 violating nodes across 4 rules, 209 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Accessibility failures 5 of 17 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 1 node
  • html-has-lang — `<html>` element does not have a `[lang]` attribute 1 node
  • link-in-text-block — Links rely on color to be distinguishable. 1 node
  • meta-viewport — `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. 1 node
  • label-content-name-mismatch — Elements with visible text labels do not have matching accessible names. 1 node

Best Practices failures 2 of 19 audits

  • third-party-cookies — Uses third-party cookies 5 items
  • inspector-issues — Issues were logged in the `Issues` panel in Chrome Devtools 1 item

SEO failures 2 of 8 audits

  • meta-description — Document does not have a meta description
  • link-text — Links do not have descriptive text 1 item

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, 11:36 PM UTC 93 1.92 s 0.128 82 ms 461 kB 3/3 ±5 3,125 +26% 26.7s Wayback
Sep 26, 2026, 9:58 PM UTC 79 2.93 s 0.185 166 ms 634 kB 3/3 ±15 2,489 0% 26.6s Wayback
Sep 19, 2026, 7:14 PM UTC 94 1.59 s 0.128 86 ms 632 kB 3/3 ±5 2,930 +18% 24.7s Wayback
Sep 12, 2026, 6:11 PM UTC 78 2.89 s 0.185 205 ms 630 kB 3/3 ±20 2,481 0% 26.5s Wayback
Sep 5, 2026, 3:52 PM UTC 89 1.88 s 0.185 109 ms 628 kB 3/3 ±3 3,181 +28% 23.4s Wayback
Aug 29, 2026, 12:28 PM UTC 79 2.90 s 0.185 171 ms 627 kB 3/3 ±17 2,310 -7% 27s Wayback
Aug 21, 2026, 1:21 AM UTC 87 1.89 s 0.185 181 ms 624 kB 3/3 ±38 2,482 0% 25.6s Wayback

Embed this score

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