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

vktr.dev

https://www.vktr.dev/

88PERF 98A11Y 100BEST 90SEO !AXE –CWV

Ranks Overall #950 Built Awesome #685

Data from Oct 5, 2026, 11:56 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

Uses ReactReact
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

88
Performance
↓ -4 (-4.3%)
98
Accessibility
no change
100
Best Practices
no change
90
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 3.05 s needs work ↓ -24 ms (-0.8%) 3.05 s – 3.09 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 ↓ -0.003 (-100%) 0 – 0.003
TBT Total Blocking Time 0 ms good ↓ -29 ms (-100%) 0 ms – 31 ms
FCP First Contentful Paint 3.05 s poor ↑ +1096 ms (+56%) 1.96 s – 3.05 s
Speed Index 3.05 s good ↑ +1096 ms (+56%) 1.96 s – 3.05 s
TTFB Time to First Byte 605 ms good ↓ -3 ms (-0.5%) 604 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.

element render delay 161 ms
time to first byte 6 ms

Page weight

Metric Value Change / range Trend
Page Weight 253 kB ↓ -219 B (-0.1%) 253 kB – 253 kB
Requests 7 → no change 7 – 7
Third-party Weight 120 kB → no change 120 kB – 120 kB
Third-party CPU 0 ms → no change 0 ms – 0 ms
Unused JS 65.9 kB ↓ -116 B (-0.2%) 65.9 kB – 66.1 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
script 50.1% 127 kB 1
font 47% 119 kB 3
stylesheet 2.7% 6.9 kB 2
document 0.2% 518 B 1
Total 253 kB 7

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Google Fonts font 120 kB 0 ms
Total 120 kB 0 ms

Page health

Metric Value Change / range Trend
Main Thread Work 517 ms ↓ -15 ms (-2.7%) 372 ms – 583 ms
Long Tasks 1 → no change 1 – 1
DOM Elements 165 → no change 165 – 165
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 1 → no change 1 – 1
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 35% 182 ms
other 31% 159 ms
style layout 26% 135 ms
paint composite render 6% 34 ms
parse HTML 1% 6 ms
script parse compile 0% 2 ms
Total 517 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 256 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate heading-order — Heading levels should only increase by one 1 node
    Offending element
    1. .space-y-6.md\:space-y-8:nth-child(1) > .gap-3.items-center.flex > h4
      <h4 class="text-[10px] font-mono text-[var(--accent)] font-bold tracking-[0.2em] uppercase">Core Stack</h4>

Accessibility failures 1 of 19 audits

  • heading-order — Heading elements are not in a sequentially-descending order 1 node

SEO failures 1 of 7 audits

  • meta-description — Document does not have a meta description

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 5, 2026, 11:56 PM UTC 88 3.05 s 0 0 ms 253 kB 3/3 ±3 2,478 0% 23.2s Wayback
Sep 28, 2026, 6:35 PM UTC 92 3.08 s 0.003 29 ms 253 kB 3/3 ±2 2,371 -5% 22.8s Wayback
Sep 21, 2026, 2:59 PM UTC 92 3.09 s 0 7 ms 253 kB 3/3 ±2 3,736 +50% 62.8s Wayback
Sep 14, 2026, 12:01 PM UTC 88 3.05 s 0 0 ms 253 kB 3/3 ±2 2,474 -1% 26.1s Wayback
Sep 7, 2026, 9:09 AM UTC 92 3.08 s 0.003 20 ms 253 kB 3/3 ±3 2,852 +15% 22.6s Wayback
Aug 31, 2026, 4:05 AM UTC 92 3.08 s 0.003 31 ms 253 kB 3/3 ±2 2,316 -7% 23s Wayback
Aug 21, 2026, 8:27 PM UTC 88 3.05 s 0 0 ms 253 kB 3/3 ±2 2,495 0% 22.5s Wayback

Embed this score

Use this web component to show vktr.dev'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://www.vktr.dev/"></speedlify2-score>