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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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brewventy.vercel.app

https://brewventy.vercel.app/

88PERF 95A11Y 100BEST 91SEO ✗AXE –CWV

Ranks Overall #1,365 Built Awesome #931

Data from Oct 3, 2026, 1:46 AM 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 Built with Eleventy
Vercel Hosted by Vercel

Lighthouse Scores LAB Simulated

88
Performance
↑ +6 (+7.3%)
95
Accessibility
no change
100
Best Practices
no change
91
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 1.57 s good ↓ -1031 ms (-39.7%) significant 1.57 s – 2.64 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.223 needs work → no change 0.223 – 0.223
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.57 s good ↓ -1031 ms (-39.7%) significant 1.57 s – 2.64 s
Speed Index 1.57 s good ↓ -1031 ms (-39.7%) significant 1.57 s – 2.64 s
TTFB Time to First Byte 628 ms good ↑ +17 ms (+2.8%) 608 ms – 641 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 135 ms
time to first byte 22 ms

Page weight

Metric Value Change / range Trend
Page Weight 67.4 kB ↓ -412 B (-0.6%) 67.4 kB – 67.8 kB
Requests 9 → no change 9 – 9
Third-party Weight 51.0 kB ↑ +11 B 51.0 kB – 51.0 kB
Third-party CPU 3 ms ↓ -3 ms (-54.5%) significant 3 ms – 6 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 71.9% 48.5 kB 1
stylesheet 16% 10.8 kB 2
script 5.5% 3.7 kB 3
document 5.3% 3.5 kB 1
other 1.4% 927 B 2
Total 67.4 kB 9

Third parties 2 entities

Entity Transfer Size Main thread Simulated
Google Fonts font 49.6 kB 0 ms
tinylytics.app 1.4 kB 3 ms
Total 51.0 kB 3 ms

Page health

Metric Value Change / range Trend
Main Thread Work 815 ms ↓ -265 ms (-24.5%) significant 815 ms – 1.08 s
Long Tasks 2 ↓ -1 (-33.3%) 2 – 3
DOM Elements 176 → no change 176 – 176
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 15 → no change 15 – 16
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 15 → no change 15 – 15

Main thread work

Task Time Share Duration Simulated
style layout 57% 461 ms
other 32% 259 ms
paint composite render 6% 46 ms
script evaluation 3% 27 ms
parse HTML 1% 10 ms
garbage collection 1% 10 ms
script parse compile 0% 3 ms
Total 815 ms

Axe violations axe-core 4.13.0, full rule set

15 violating nodes across 1 rule, 335 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 15 nodes
    Offending elements (5 of 15)
    1. time[datetime="2024-01-18T00:00:00.000Z"] 
      <time class="post-card__date" datetime="2024-01-18T00:00:00.000Z"> January 18, 2024 </time>
    2. .post-card:nth-child(2) > .post-card__header > time[datetime="2024-01-15T00:00:00.000Z"] 
      <time class="post-card__date" datetime="2024-01-15T00:00:00.000Z"> January 15, 2024 </time>
    3. .post-card:nth-child(2) > .post-card__body > .post-card__excerpt 
      <p class="post-card__excerpt">Learn how to brew the perfect Eleventy site with our coffee-themed starter template</p>
    4. .post-card:nth-child(3) > .post-card__header > time[datetime="2024-01-15T00:00:00.000Z"] 
      <time class="post-card__date" datetime="2024-01-15T00:00:00.000Z"> January 15, 2024 </time>
    5. .post-card:nth-child(3) > .post-card__body > .post-card__excerpt 
      <p class="post-card__excerpt">Explore the fascinating relationship between caffeine and coding productivity, plus tips for optimizing your development workflow.</p>

Accessibility failures 1 of 20 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 15 nodes

SEO failures 1 of 8 audits

  • link-text — Links do not have descriptive text 4 items

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 3, 2026, 1:46 AM UTC 88 1.57 s 0.223 0 ms 67.4 kB 3/3 ±4 3,162 +27% 23.1s Wayback
Sep 25, 2026, 11:52 PM UTC 82 2.60 s 0.223 0 ms 67.8 kB 3/3 ±0 2,464 -1% 23.6s Wayback
Sep 18, 2026, 8:29 PM UTC 82 2.63 s 0.223 0 ms 67.8 kB 3/3 ±7 2,744 +10% 24.5s Wayback
Sep 11, 2026, 5:34 PM UTC 82 2.64 s 0.223 0 ms 67.4 kB 3/3 ±8 2,518 +1% 24s Wayback
Sep 4, 2026, 2:51 PM UTC 82 2.59 s 0.223 0 ms 67.7 kB 3/3 ±10 2,476 0% 24.1s Wayback
Aug 28, 2026, 1:51 PM UTC 82 2.58 s 0.223 0 ms 67.7 kB 3/3 ±1 2,478 0% 24.4s Wayback
Aug 20, 2026, 7:12 PM UTC 82 2.61 s 0.223 0 ms 67.4 kB 3/3 ±8 2,477 0% 24.6s Wayback

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Use this web component to show brewventy.vercel.app'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://brewventy.vercel.app/"></speedlify2-score>