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.

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chantillywebdesign.com

https://chantillywebdesign.com/

99PERF 100A11Y 96BEST 90SEO ✓AXE –CWV

Ranks Overall #446 Built Awesome #343

Data from Oct 7, 2026, 2:07 AM UTC old Measured once a week · 17 runs since Aug 20, 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

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Lighthouse Scores LAB Simulated

99
Performance
↑ +6 (+6.5%)
100
Accessibility
no change
96
Best Practices
↓ -4 (-4%)
90
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 1.62 s good ↓ -978 ms (-37.7%) 1.55 s – 2.63 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.004 good ↑ +0.001 (+33.3%) 0.001 – 0.004
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.62 s good ↓ -978 ms (-37.7%) 1.55 s – 2.63 s
Speed Index 1.62 s good ↓ -978 ms (-37.7%) 1.55 s – 2.63 s
TTFB Time to First Byte 665 ms good ↑ +56 ms (+9.2%) 604 ms – 665 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 496 ms
element render delay 157 ms

Page weight

Metric Value Change / range Trend
Page Weight 80.2 kB ↑ +2.0 kB (+2.7%) 77.7 kB – 80.2 kB
Requests 6 ↑ +1 (+20%) significant 5 – 6
Third-party Weight 66.6 kB ↑ +353 B (+0.5%) 66.2 kB – 66.6 kB
Third-party CPU 0 ms → no change 0 ms – 0 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 82.9% 65.2 kB 2
script 13.1% 10.3 kB 1
document 2.3% 1.8 kB 1
stylesheet 1.8% 1.4 kB 1
Total 80.2 kB 6

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Google Fonts font 66.6 kB 0 ms
Total 66.6 kB 0 ms

Page health

Metric Value Change / range Trend
Main Thread Work 1.05 s ↑ +813 ms (+342.7%) significant 205 ms – 1.05 s
Long Tasks 5 ↑ +5 0 – 5
DOM Elements 35 → no change 35 – 35
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 40% 415 ms
style layout 28% 295 ms
script evaluation 18% 192 ms
paint composite render 9% 97 ms
parse HTML 4% 46 ms
script parse compile 0% 5 ms
Total 1.05 s

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 124 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Best Practices failures 1 of 19 audits

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

SEO failures 1 of 7 audits

  • meta-description — Document does not have a meta description

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 7, 2026, 2:07 AM UTC 99 1.62 s 0.004 0 ms 80.2 kB 3/3 ±7 2,002 -19% 24.3s Wayback
Sep 30, 2026, 1:06 AM UTC 93 2.60 s 0.003 0 ms 78.1 kB 3/3 ±6 2,276 -8% 26s Wayback
Sep 23, 2026, 12:01 AM UTC 99 1.55 s 0.001 0 ms 77.7 kB 3/3 ±6 2,496 0% 24.5s Wayback
Sep 15, 2026, 11:24 PM UTC 99 1.58 s 0.004 0 ms 77.7 kB 3/3 ±5 2,263 -9% 24.2s Wayback
Sep 8, 2026, 9:35 PM UTC 93 2.63 s 0.001 0 ms 77.7 kB 3/3 ±6 2,840 +14% 24.4s Wayback
Sep 1, 2026, 8:45 PM UTC 99 1.55 s 0.001 0 ms 77.7 kB 3/3 ±6 2,360 -5% 22.4s Wayback
Aug 31, 2026, 6:04 PM UTC INSECURE_DOCUMENT_REQUEST: The URL you have provided does not have a valid security certificate. net::ERR_CERT_COMMON_NAME_INVALID 16.4s
Aug 27, 2026, 4:08 PM UTC INSECURE_DOCUMENT_REQUEST: The URL you have provided does not have a valid security certificate. net::ERR_CERT_COMMON_NAME_INVALID 16.3s
Aug 26, 2026, 1:54 PM UTC INSECURE_DOCUMENT_REQUEST: The URL you have provided does not have a valid security certificate. net::ERR_CERT_COMMON_NAME_INVALID 16.2s
Aug 25, 2026, 12:44 PM UTC INSECURE_DOCUMENT_REQUEST: The URL you have provided does not have a valid security certificate. net::ERR_CERT_COMMON_NAME_INVALID 16.4s
Aug 24, 2026, 11:27 AM UTC INSECURE_DOCUMENT_REQUEST: The URL you have provided does not have a valid security certificate. net::ERR_CERT_COMMON_NAME_INVALID 16.2s
Aug 23, 2026, 11:20 AM UTC INSECURE_DOCUMENT_REQUEST: The URL you have provided does not have a valid security certificate. net::ERR_CERT_COMMON_NAME_INVALID 15.3s
Aug 22, 2026, 6:29 PM UTC INSECURE_DOCUMENT_REQUEST: The URL you have provided does not have a valid security certificate. net::ERR_CERT_COMMON_NAME_INVALID 16.3s
Aug 22, 2026, 9:25 AM UTC The "start lh:runner:gather" performance mark has not been set 272.8s
Aug 22, 2026, 2:54 AM UTC INSECURE_DOCUMENT_REQUEST: The URL you have provided does not have a valid security certificate. net::ERR_CERT_COMMON_NAME_INVALID 15.8s
Aug 21, 2026, 8:36 PM UTC INSECURE_DOCUMENT_REQUEST: The URL you have provided does not have a valid security certificate. net::ERR_CERT_COMMON_NAME_INVALID 16.4s
Aug 20, 2026, 7:35 PM UTC INSECURE_DOCUMENT_REQUEST: The URL you have provided does not have a valid security certificate. net::ERR_CERT_COMMON_NAME_INVALID 15.3s

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