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

virga.frontendweekly.tokyo

https://virga.frontendweekly.tokyo/

100 100 100 100 !AXE –CWV

Ranks Overall #537 Built Awesome #437

Data from Sep 6, 2026, 6:54 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 Built with Eleventy
Netlify Hosted by Netlify

Lighthouse Scores

100
Performance
no change
100
Accessibility
no change
100
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 812 ms good ↓ -17 ms (-2.1%) 811 ms – 829 ms
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
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 812 ms good ↓ -17 ms (-2.1%) 811 ms – 829 ms
Speed Index 812 ms good ↓ -17 ms (-2.1%) 811 ms – 829 ms
TTFB Time to First Byte 627 ms good ↓ -10 ms (-1.6%) 620 ms – 637 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 37 ms
time to first byte 29 ms

Page weight

Metric Value Change / range Trend
Page Weight 6.0 kB ↑ +11 B (+0.2%) 6.0 kB – 6.0 kB
Requests 2 → no change 2 – 2
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

  • document 100% 5.6 kB · 1 req

Without JavaScript

The same load, photographed twice at 412×823: once with scripts disabled, once as rendered.

Scripts disabled
As rendered

0.6% of pixels differ — they are nearly identical. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.

Page health

Metric Value Change / range Trend
Main Thread Work 125 ms ↓ -8 ms (-6.1%) 125 ms – 133 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 121 → no change 121 – 121
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 1 → no change 1 – 1
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

other 58 ms
style layout 41 ms
script evaluation 11 ms
parse HTML 8 ms
paint composite render 5 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 229 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate landmark-unique — Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 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
Sep 6, 2026, 6:54 PM UTC 100 812 ms 0 0 ms 6.0 kB 3/3 ±0 2,352 -5% 20.8s Wayback
Aug 30, 2026, 5:59 PM UTC 100 829 ms 0 0 ms 6.0 kB 3/3 ±0 2,253 -9% 21.7s Wayback
Aug 21, 2026, 8:44 AM UTC 100 811 ms 0 0 ms 6.0 kB 3/3 ±0 2,790 +12% 26.2s Wayback

Embed this score

Use this web component to show virga.frontendweekly.tokyo'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://virga.frontendweekly.tokyo/"></speedlify2-score>