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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mattobee.com

https://mattobee.com/

99PERF 96A11Y 96BEST 100SEO ✓AXE –CWV

Ranks Overall #417 Built Awesome #324

Data from Oct 6, 2026, 5:09 AM UTC old Measured once a week · 8 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 Built with Eleventy
Uses Lit 3.1.0Lit 3.1.0
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

99
Performance
no change
96
Accessibility
no change
96
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 1.68 s good ↓ -269 ms (-13.8%) significant 1.68 s – 3.07 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.001 good → no change 0.001 – 0.002
TBT Total Blocking Time 10 ms good ↑ +10 ms 0 ms – 27 ms
FCP First Contentful Paint 1.61 s good ↓ -54 ms (-3.2%) 1.61 s – 2.92 s
Speed Index 1.61 s good ↓ -54 ms (-3.2%) 1.61 s – 2.92 s
TTFB Time to First Byte 613 ms good ↑ +10 ms (+1.7%) 603 ms – 624 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 61 ms
time to first byte 8 ms

Page weight

Metric Value Change / range Trend
Page Weight 149 kB ↓ -246 B (-0.2%) 149 kB – 174 kB
Requests 52 → no change 52 – 59
Third-party Weight 60.1 kB ↓ -51 B (-0.1%) 60.1 kB – 164 kB
Third-party CPU 4 ms ↑ +1 ms (+23.5%) 3 ms – 9 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 50% 74.4 kB 3
script 40% 59.5 kB 37
stylesheet 4.8% 7.1 kB 7
document 3.2% 4.8 kB 1
other 1.8% 2.7 kB 2
image 0.3% 434 B 1
Total 149 kB 52

Third parties 2 entities

Entity Transfer Size Main thread Simulated
JSDelivr CDN script 56.9 kB 1 ms
Fathom Analytics 3.2 kB 3 ms
Total 60.1 kB 4 ms

Page health

Metric Value Change / range Trend
Main Thread Work 431 ms ↓ -18 ms (-4.1%) 431 ms – 675 ms
Long Tasks 1 ↑ +1 0 – 2
DOM Elements 126 → no change 122 – 126
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 → no change 0 – 0
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 1 → no change 1 – 1

Main thread work

Task Time Share Duration Simulated
other 58% 250 ms
style layout 18% 77 ms
script evaluation 17% 75 ms
paint composite render 3% 14 ms
parse HTML 2% 10 ms
script parse compile 1% 5 ms
Total 431 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 206 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Accessibility failures 1 of 23 audits

  • target-size — Touch targets do not have sufficient size or spacing. 1 node

Best Practices failures 1 of 20 audits

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

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 6, 2026, 5:09 AM UTC 99 1.68 s 0.001 10 ms 149 kB 3/3 ±1 2,478 0% 23.5s Wayback
Sep 28, 2026, 11:50 PM UTC 99 1.95 s 0.001 0 ms 150 kB 3/3 ±4 2,485 0% 22.1s Wayback
Sep 21, 2026, 7:59 PM UTC 90 2.88 s 0.002 0 ms 174 kB 3/3 ±5 2,886 +16% 23.3s Wayback
Sep 14, 2026, 5:52 PM UTC 89 3.07 s 0.002 0 ms 163 kB 3/3 ±5 2,499 +1% 23.1s Wayback
Sep 7, 2026, 3:01 PM UTC 90 2.89 s 0.002 0 ms 174 kB 3/3 ±1 2,471 -1% 23.2s Wayback
Aug 31, 2026, 10:40 AM UTC 91 2.75 s 0.002 27 ms 174 kB 3/3 ±5 2,312 -7% 21.9s Wayback
Aug 21, 2026, 4:48 PM UTC 91 2.89 s 0.002 0 ms 173 kB 3/3 ±5 2,444 -2% 23.7s Wayback
Aug 21, 2026, 4:45 AM UTC TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 19.2s

Embed this score

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