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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jdsteinbach.com

https://jdsteinbach.com/

98PERF 96A11Y 100BEST 100SEO !AXE –CWV

Ranks Overall #721 Built Awesome #540

Data from Oct 3, 2026, 11:35 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

Eleventy 3.1.6 Built with Eleventy 3.1.6
GitHub Pages Hosted by GitHub Pages

Lighthouse Scores LAB Simulated

98
Performance
↑ +1 (+1%)
96
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 2.18 s good ↓ -83 ms (-3.7%) 1.99 s – 2.59 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 1.58 s good ↓ -233 ms (-12.9%) 1.57 s – 2.14 s
Speed Index 1.58 s good ↓ -233 ms (-12.9%) 1.57 s – 2.14 s
TTFB Time to First Byte 489 ms good ↓ -122 ms (-20%) 463 ms – 639 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 118 ms
time to first byte 43 ms

Page weight

Metric Value Change / range Trend
Page Weight 216 kB ↑ +250 B (+0.1%) 215 kB – 217 kB
Requests 17 → no change 17 – 17
Third-party Weight 14.9 kB ↓ -24 B (-0.2%) 14.4 kB – 16.2 kB
Third-party CPU 5 ms ↓ -1 ms (-16.4%) 5 ms – 7 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 80.3% 168 kB 5
script 8.9% 18.5 kB 4
document 4.4% 9.1 kB 1
stylesheet 3.7% 7.8 kB 1
other 2.7% 5.7 kB 5
Total 216 kB 17

Third parties 3 entities

Entity Transfer Size Main thread Simulated
Cloudflare script 10.2 kB 4 ms
zgo.at script 4.3 kB 1 ms
goatcounter.com 382 B 0 ms
Total 14.9 kB 5 ms

Page health

Metric Value Change / range Trend
Main Thread Work 345 ms ↓ -44 ms (-11.4%) 332 ms – 487 ms
Long Tasks 0 ↓ -1 (-100%) significant 0 – 1
DOM Elements 355 → no change 355 – 355
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 1 → no change 0 – 1
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 1 → no change 1 – 1

Main thread work

Task Time Share Duration Simulated
other 40% 139 ms
style layout 34% 118 ms
script evaluation 16% 55 ms
paint composite render 5% 16 ms
parse HTML 4% 13 ms
script parse compile 1% 3 ms
Total 345 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 303 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Accessibility failures 1 of 25 audits

  • aria-hidden-focus — `[aria-hidden="true"]` elements contain focusable descendents 1 node

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, 11:35 PM UTC 98 2.18 s 0 0 ms 216 kB 3/3 ±7 2,997 +21% 21.8s Wayback
Sep 26, 2026, 9:57 PM UTC 97 2.26 s 0 0 ms 216 kB 3/3 ±10 2,500 +1% 23s Wayback
Sep 19, 2026, 7:13 PM UTC 99 1.99 s 0 0 ms 216 kB 3/3 ±9 2,982 +20% 21.8s Wayback
Sep 12, 2026, 6:11 PM UTC 95 2.59 s 0 0 ms 216 kB 3/3 ±1 2,473 -1% 21.3s Wayback
Sep 5, 2026, 3:51 PM UTC 97 2.27 s 0 0 ms 216 kB 3/3 ±2 3,267 +31% 21.1s Wayback
Aug 29, 2026, 12:27 PM UTC 97 2.26 s 0 0 ms 215 kB 3/3 ±3 2,321 -7% 21.4s Wayback
Aug 21, 2026, 1:19 AM UTC 96 2.45 s 0 0 ms 217 kB 3/3 ±9 2,487 0% 23.9s Wayback

Embed this score

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