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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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ethanmarcotte.com

https://ethanmarcotte.com/

95PERF 100A11Y 100BEST 100SEO ✓AXE –CWV

Ranks Overall #360 Built Awesome #280

Data from Oct 3, 2026, 1:11 PM UTC old Measured once a week · 7 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

Eleventy 3.1.1 Built with Eleventy 3.1.1
Self-hosted · Apache Hosted by Self-hosted

Lighthouse Scores LAB Simulated

95
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 2.51 s needs work ↑ +35 ms (+1.4%) 2.41 s – 2.51 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 1.31 s good ↑ +35 ms (+2.8%) 831 ms – 1.31 s
Speed Index 3.82 s needs work ↓ -19 ms (-0.5%) 831 ms – 3.84 s
TTFB Time to First Byte 706 ms good ↑ +35 ms (+5.2%) significant 611 ms – 706 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 1.95 s
resource load duration 314 ms
time to first byte 77 ms
resource load delay 9 ms

Page weight

Metric Value Change / range Trend
Page Weight 355 kB ↑ +34 B 355 kB – 371 kB
Requests 18 → no change 18 – 18
Third-party Weight 0 B → no change 0 B – 0 B
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
image 48.7% 173 kB 7
font 45.2% 161 kB 5
other 2.3% 8.2 kB 3
stylesheet 2.2% 8.0 kB 1
document 1.1% 3.8 kB 1
script 0.5% 1.9 kB 1
Total 355 kB 18

Page health

Metric Value Change / range Trend
Main Thread Work 341 ms ↓ -5 ms (-1.5%) 317 ms – 450 ms
Long Tasks 1 → no change 1 – 1
DOM Elements 175 → no change 175 – 175
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 47% 161 ms
style layout 38% 128 ms
paint composite render 6% 22 ms
script evaluation 4% 15 ms
parse HTML 4% 14 ms
script parse compile 0% 1 ms
Total 341 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 384 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 h2

Measurement log

Field history 25 weeks

Weekly p75 from the CrUX History API, backfilled in a single request.

Week ending LCPINPCLSFCPTTFB
2026-08-29 → 2026-09-26 No data — 5 weeks under the CrUX reporting threshold
2026-08-22 1.85 s — 0 1.63 s 808 ms
2026-08-15 1.69 s — 0 1.63 s 808 ms
2026-08-08 1.60 s — 0 1.55 s 698 ms
2026-08-01 1.56 s — 0 1.53 s 788 ms
2026-07-25 1.45 s — 0 1.32 s 698 ms
2026-07-18 1.32 s — 0 1.18 s 708 ms
2026-07-11 1.25 s — 0 1.18 s 667 ms
2026-07-04 1.20 s — 0 1.13 s 629 ms
2026-06-27 1.27 s — 0 1.17 s 636 ms
2026-06-20 1.30 s — 0 1.20 s 636 ms
2026-06-06 → 2026-06-13 No data — 2 weeks under the CrUX reporting threshold

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 3, 2026, 1:11 PM UTC 95 2.51 s 0 0 ms 355 kB 3/3 ±0 2,429 -2% 29.7s Wayback
Sep 26, 2026, 9:12 AM UTC 96 2.47 s 0 0 ms 355 kB 3/3 ±0 2,486 0% 29.2s Wayback
Sep 19, 2026, 3:25 AM UTC 96 2.47 s 0 0 ms 355 kB 3/3 ±0 2,450 -1% 29.6s Wayback
Sep 12, 2026, 1:09 AM UTC 98 2.42 s 0 0 ms 355 kB 3/3 ±0 2,342 -6% 21.3s Wayback
Sep 4, 2026, 11:57 PM UTC 98 2.41 s 0 0 ms 355 kB 3/3 ±0 2,491 0% 21.1s Wayback
Aug 28, 2026, 11:35 PM UTC 98 2.42 s 0 0 ms 356 kB 3/3 ±0 2,427 -2% 21.6s Wayback
Aug 20, 2026, 10:27 PM UTC 96 2.46 s 0 0 ms 371 kB 3/3 ±0 2,701 +9% 29.3s Wayback

Embed this score

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