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.

Charts Compare Measurement runs Embed a score Open to Work

velvetcache.org

https://velvetcache.org/

99PERF 95A11Y 92BEST 100SEO !AXE –CWV

Ranks Overall #841 Built Awesome #620

Data from Oct 5, 2026, 1:42 AM 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
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

99
Performance
no change
95
Accessibility
no change
92
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 1.56 s good ↑ +10 ms (+0.6%) 1.54 s – 1.85 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.005 good → no change 0.002 – 0.005
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.56 s good ↑ +10 ms (+0.6%) 1.54 s – 1.85 s
Speed Index 1.56 s good ↑ +10 ms (+0.6%) 1.54 s – 1.85 s
TTFB Time to First Byte 631 ms good ↑ +10 ms (+1.6%) 464 ms – 631 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 88 ms
element render delay 74 ms

Page weight

Metric Value Change / range Trend
Page Weight 105 kB ↑ +410 B (+0.4%) 56.5 kB – 105 kB
Requests 11 → no change 9 – 11
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
font 42.5% 44.5 kB 3
script 39.6% 41.5 kB 3
stylesheet 13.4% 14.1 kB 3
document 4.5% 4.7 kB 1
Total 105 kB 11

Page health

Metric Value Change / range Trend
Main Thread Work 275 ms ↓ -5 ms (-1.7%) 196 ms – 290 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 160 → no change 129 – 160
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 2 → no change 2 – 2
A11y Failures 1 → no change 0 – 1
A11y Failing Nodes 1 → no change 0 – 1

Main thread work

Task Time Share Duration Simulated
other 40% 111 ms
style layout 33% 90 ms
script evaluation 16% 44 ms
paint composite render 6% 16 ms
parse HTML 4% 12 ms
script parse compile 1% 2 ms
Total 275 ms

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 2 rules, 381 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Accessibility failures 1 of 21 audits

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

Best Practices failures 2 of 18 audits

  • errors-in-console — Browser errors were logged to the console 1 item
  • inspector-issues — Issues were logged in the `Issues` panel in Chrome Devtools 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 5, 2026, 1:42 AM UTC 99 1.56 s 0.005 0 ms 105 kB 3/3 ±1 2,476 0% 22.4s Wayback
Sep 27, 2026, 11:45 PM UTC 99 1.55 s 0.005 0 ms 105 kB 3/3 ±0 2,485 0% 20.9s Wayback
Sep 20, 2026, 8:43 PM UTC 98 1.85 s 0.005 0 ms 105 kB 3/3 ±1 2,493 0% 21.6s Wayback
Sep 13, 2026, 8:23 PM UTC 99 1.77 s 0.005 0 ms 105 kB 3/3 ±0 2,537 +2% 22.6s Wayback
Sep 6, 2026, 6:52 PM UTC 98 1.83 s 0.005 0 ms 105 kB 3/3 ±0 2,498 0% 20.9s Wayback
Aug 30, 2026, 5:56 PM UTC 100 1.54 s 0.005 0 ms 56.5 kB 3/3 ±1 2,486 0% 20.9s Wayback
Aug 21, 2026, 9:50 AM UTC 99 1.57 s 0.002 0 ms 56.5 kB 3/3 ±1 2,476 0% 21s Wayback

Embed this score

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