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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refresh-dc.org

https://refresh-dc.org/

73PERF 79A11Y 100BEST 100SEO !AXE –CWV

Ranks Overall #1,068 Built Awesome #750

Data from Oct 4, 2026, 7:15 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 Built with Eleventy
Uses Alpine.js 3.17.4Alpine.js 3.17.4
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

73
Performance
↓ -2 (-2.7%)
79
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 5.26 s poor ↓ -250 ms (-4.5%) 4.91 s – 5.67 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 – 0.004
TBT Total Blocking Time 197 ms good ↓ -6 ms (-3%) 73 ms – 203 ms
FCP First Contentful Paint 2.73 s needs work ↑ +939 ms (+52.4%) 1.57 s – 2.77 s
Speed Index 2.73 s good ↑ +360 ms (+15.2%) 1.57 s – 2.77 s
TTFB Time to First Byte 607 ms good ↓ -157 ms (-20.5%) 604 ms – 764 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 94 ms
resource load delay 10 ms
resource load duration 8 ms
time to first byte 7 ms

Page weight

Metric Value Change / range Trend
Page Weight 839 kB ↓ -1.6 kB (-0.2%) 816 kB – 967 kB
Requests 18 → no change 18 – 20
Third-party Weight 595 kB ↓ -1.4 kB (-0.2%) 573 kB – 721 kB
Third-party CPU 125 ms ↓ -7 ms (-5.4%) 77 ms – 132 ms
Unused JS 115 kB ↓ -2.3 kB (-2%) 105 kB – 117 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
image 59.9% 501 kB 5
script 28.6% 239 kB 7
font 9.2% 76.9 kB 1
document 1.4% 11.6 kB 1
stylesheet 0.9% 7.6 kB 2
other <0.1% 289 B 1
Total 839 kB 18

Third parties 4 entities

Entity Transfer Size Main thread Simulated
Eventbrite image 277 kB 0 ms
posthog.com script 219 kB 118 ms
Google Fonts font 78.0 kB 0 ms
JSDelivr CDN 20.5 kB 7 ms
Total 595 kB 125 ms

Page health

Metric Value Change / range Trend
Main Thread Work 849 ms ↓ -27 ms (-3.1%) 626 ms – 896 ms
Long Tasks 3 → no change 2 – 4
DOM Elements 222 → no change 222 – 232
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 3 → no change 3 – 4
A11y Failures 3 → no change 3 – 3
A11y Failing Nodes 3 → no change 3 – 4

Main thread work

Task Time Share Duration Simulated
script evaluation 58% 492 ms
other 17% 146 ms
style layout 11% 91 ms
script parse compile 10% 84 ms
parse HTML 2% 17 ms
paint composite render 2% 13 ms
garbage collection 1% 5 ms
Total 849 ms

Axe violations axe-core 4.13.0, full rule set

3 violating nodes across 3 rules, 238 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • critical button-name — Buttons must have discernible text 1 node
    Offending element
    1. button[\@click="open = !open"] 
      <button @click="open = !open" class="text-white">
  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 1 node
    Offending element
    1. .md\:hidden > .group.rounded-2xl.h-full > .p-6.flex-1.flex-col > .mt-auto.bg-green-500.group-hover\:bg-green-600 
      <span class="inline-block w-fit mt-auto bg-green-500 group-hover:bg-green-600 text-white text-sm font-semibold px-5 py-2 rounded-lg transition-colors"> Learn More </span>
  • serious link-name — Links must have discernible text 1 node
    Offending element
    1. a[href="/"] 
      <a href="/" class="text-lg">

Accessibility failures 3 of 15 audits

  • button-name — Buttons do not have an accessible name 1 node
  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 1 node
  • link-name — Links do not have a discernible name 1 node

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, 7:15 PM UTC 73 5.26 s 0 197 ms 839 kB 3/3 ±13 2,468 -1% 24.1s Wayback
Sep 27, 2026, 5:33 PM UTC 75 5.51 s 0 203 ms 840 kB 3/3 ±3 2,491 0% 26.1s Wayback
Sep 20, 2026, 10:51 AM UTC 74 5.26 s 0 163 ms 841 kB 3/3 ±5 2,482 0% 24s Wayback
Sep 13, 2026, 9:06 AM UTC 75 5.20 s 0 102 ms 816 kB 3/3 ±3 2,965 +19% 25.2s Wayback
Sep 6, 2026, 5:41 AM UTC 78 5.67 s 0.004 134 ms 963 kB 3/3 ±2 2,958 +19% 24.3s Wayback
Aug 30, 2026, 1:14 AM UTC 81 4.91 s 0.004 73 ms 967 kB 3/3 ±7 3,205 +29% 25.7s Wayback
Aug 21, 2026, 2:41 PM UTC 72 5.63 s 0.004 200 ms 944 kB 3/3 ±8 2,511 +1% 26.1s Wayback

Embed this score

Use this web component to show refresh-dc.org'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://refresh-dc.org/"></speedlify2-score>