speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time.

Charts Compare Measurement runs Embed a score

zyllastart.vercel.app

https://zyllastart.vercel.app/

100 100 96 100 !AXE –CWV

Ranks Overall #633 Built Awesome #508

Data from Sep 7, 2026, 3:00 PM UTC old Measured once a week · 3 runs since Aug 21, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Scoring Calculator · Wayback Machine

Stack

Eleventy 3.0.0 Built with Eleventy 3.0.0
Vercel Hosted by Vercel

Lighthouse Scores

100
Performance
no change
100
Accessibility
no change
96
Best Practices
no change
100
SEO
no change

Metrics Lighthouse, mobile

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 Lighthouse
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 1.13 s good ↓ -398 ms (-26.1%) 1.13 s – 2.11 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.001 good → no change 0.001 – 0.001
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.13 s good ↓ -42 ms (-3.6%) 1.13 s – 1.36 s
Speed Index 1.13 s good ↓ -42 ms (-3.6%) 1.13 s – 2.42 s
TTFB Time to First Byte 619 ms good ↓ -7 ms (-1.1%) 614 ms – 626 ms

LCP Subparts lab observed, unthrottled

The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab LCP shown above is throttled.

element render delay 83 ms
time to first byte 46 ms

Page weight

Metric Value Change / range Trend
Page Weight 271 kB ↑ +857 B (+0.3%) 270 kB – 271 kB
Requests 12 ↓ -1 (-7.7%) significant 12 – 13
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

  • other 46.2% 124 kB · 2 req
  • document 24.4% 65.6 kB · 1 req
  • font 22.4% 60.4 kB · 1 req
  • image 4.3% 11.5 kB · 6 req
  • stylesheet 2.8% 7.5 kB · 1 req

Page health

Metric Value Change / range Trend
Main Thread Work 287 ms ↓ -163 ms (-36.2%) 287 ms – 450 ms
Long Tasks 0 ↓ -1 (-100%) significant 0 – 1
DOM Elements 134 → no change 134 – 134
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 2 → no change 1 – 2
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

other 133 ms
style layout 107 ms
paint composite render 19 ms
parse HTML 17 ms
script evaluation 11 ms
script parse compile 0 ms

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 1 rule, 241 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate region — All page content should be contained by landmarks 2 nodes

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
Sep 7, 2026, 3:00 PM UTC 100 1.13 s 0.001 0 ms 271 kB 3/3 ±1 2,479 0% 21.6s Wayback
Aug 31, 2026, 10:39 AM UTC 100 1.53 s 0.001 0 ms 270 kB 3/3 ±0 2,347 -5% 22s Wayback
Aug 21, 2026, 4:35 PM UTC 99 2.11 s 0.001 0 ms 271 kB 3/3 ±1 2,430 -2% 23.3s Wayback

Embed this score

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