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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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thereseambrosismith.com

https://thereseambrosismith.com/

100PERF 92A11Y 96BEST 100SEO !AXE –CWV

Ranks Overall #816 Built Awesome #602

Data from Oct 4, 2026, 10:55 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 3.0.0 Built with Eleventy 3.0.0
Uses Alpine.js 3.14.9Alpine.js 3.14.9
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

100
Performance
↑ +1 (+1%)
92
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 1.53 s good ↓ -428 ms (-21.9%) significant 1.53 s – 1.96 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 33 ms good ↓ -24 ms (-42.1%) significant 33 ms – 67 ms
FCP First Contentful Paint 1.53 s good ↑ +627 ms (+69.6%) significant 891 ms – 1.55 s
Speed Index 1.53 s good ↑ +103 ms (+7.2%) significant 1.43 s – 1.55 s
TTFB Time to First Byte 619 ms good ↑ +106 ms (+20.7%) 468 ms – 628 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 53 ms
element render delay 25 ms
resource load duration 17 ms
resource load delay 15 ms

Page weight

Metric Value Change / range Trend
Page Weight 380 kB ↑ +603 B (+0.2%) 373 kB – 380 kB
Requests 20 → no change 20 – 20
Third-party Weight 189 kB ↑ +926 B (+0.5%) 181 kB – 189 kB
Third-party CPU 47 ms ↓ -12 ms (-20.9%) significant 47 ms – 64 ms
Unused JS 75.7 kB ↑ +684 B (+0.9%) 72.0 kB – 75.7 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
script 54.8% 208 kB 4
image 27.8% 106 kB 6
other 15% 57.2 kB 9
document 2.4% 9.0 kB 1
Total 380 kB 20

Third parties 3 entities

Entity Transfer Size Main thread Simulated
Google Tag Manager script 178 kB 44 ms
Cloudflare 10.2 kB 3 ms
Google Analytics 48 B 0 ms
Total 189 kB 47 ms

Page health

Metric Value Change / range Trend
Main Thread Work 409 ms ↓ -209 ms (-33.8%) significant 409 ms – 618 ms
Long Tasks 2 → no change 2 – 2
DOM Elements 56 → no change 56 – 56
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 2 → no change 2 – 2
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 1 → no change 1 – 1

Main thread work

Task Time Share Duration Simulated
script evaluation 50% 206 ms
other 26% 106 ms
style layout 10% 40 ms
script parse compile 9% 39 ms
parse HTML 3% 12 ms
paint composite render 2% 7 ms
Total 409 ms

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 2 rules, 95 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Accessibility failures 1 of 13 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 1 node

Best Practices failures 1 of 19 audits

  • image-size-responsive — Serves images with low resolution 1 item

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 4, 2026, 10:55 PM UTC 100 1.53 s 0 33 ms 380 kB 3/3 ±1 2,953 +19% 100.4s Wayback
Sep 27, 2026, 9:07 PM UTC 99 1.96 s 0 57 ms 380 kB 3/3 ±1 2,289 -8% 139.1s Wayback
Sep 20, 2026, 6:12 PM UTC 99 1.76 s 0 67 ms 379 kB 3/3 ±0 2,485 0% 115.9s Wayback
Sep 13, 2026, 5:30 PM UTC 100 1.53 s 0 61 ms 377 kB 3/3 ±1 2,436 -2% 119.7s Wayback
Sep 6, 2026, 2:09 PM UTC 99 1.76 s 0 58 ms 376 kB 3/3 ±0 2,487 0% 102.2s Wayback
Aug 30, 2026, 1:42 PM UTC 100 1.53 s 0 54 ms 373 kB 3/3 ±5 2,485 0% 115.5s Wayback
Aug 21, 2026, 4:41 PM UTC 99 1.55 s 0 59 ms 373 kB 3/3 ±6 2,485 0% 103.3s Wayback

Embed this score

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