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

zerozoo-a.github.io

https://zerozoo-a.github.io/

100PERF 92A11Y 100BEST 92SEO ✗AXE –CWV

Ranks Overall #1,266 Built Awesome #867

Data from Oct 5, 2026, 11:52 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

The measuring machine was faster than most in this project.

Lighthouse benchmark index was 3,899, 57% faster than this project's median of 2,486. CPU-bound metrics — TBT, TTI, main thread work — are affected by this and may have moved without the site changing at all.

Lab data is measured using Lighthouse, Mobile mode unless otherwise specified. Field data is reported from Chrome UX Report (using p75 measurements).

Stack

Eleventy 2.0.1 Built with Eleventy 2.0.1
GitHub Pages Hosted by GitHub Pages

Lighthouse Scores LAB Simulated

100
Performance
no change
92
Accessibility
no change
100
Best Practices
no change
92
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 1.21 s good ↓ -3 ms (-0.2%) 1.20 s – 1.21 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 ↓ -0.042 (-100%) significant 0 – 0.042
TBT Total Blocking Time 13 ms good ↓ -30 ms (-69.8%) 13 ms – 162 ms
FCP First Contentful Paint 1.21 s good ↓ -3 ms (-0.2%) 1.20 s – 1.21 s
Speed Index 1.21 s good ↓ -3 ms (-0.2%) 1.20 s – 1.21 s
TTFB Time to First Byte 609 ms good ↓ -3 ms (-0.5%) 602 ms – 614 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 41 ms
time to first byte 11 ms

Page weight

Metric Value Change / range Trend
Page Weight 540 kB ↑ +4.9 kB (+0.9%) 356 kB – 540 kB
Requests 9 → no change 8 – 9
Third-party Weight 483 kB ↑ +4.9 kB (+1%) 298 kB – 483 kB
Third-party CPU 60 ms ↓ -8 ms (-12.3%) 60 ms – 108 ms
Unused JS 270 kB ↑ +2.4 kB (+0.9%) 147 kB – 270 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
script 93.3% 504 kB 4
document 6.2% 33.6 kB 1
other 0.4% 2.4 kB 2
Total 540 kB 9

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Google Tag Manager script 483 kB 60 ms
Total 483 kB 60 ms

Page health

Metric Value Change / range Trend
Main Thread Work 423 ms ↓ -85 ms (-16.7%) 423 ms – 740 ms
Long Tasks 2 ↓ -1 (-33.3%) 2 – 4
DOM Elements 673 → no change 673 – 673
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 6 → no change 6 – 6
A11y Failures 2 → no change 2 – 2
A11y Failing Nodes 5 → no change 5 – 5

Main thread work

Task Time Share Duration Simulated
script evaluation 46% 195 ms
other 22% 92 ms
script parse compile 17% 73 ms
style layout 9% 36 ms
parse HTML 4% 15 ms
garbage collection 2% 8 ms
paint composite render 1% 3 ms
Total 423 ms

Axe violations axe-core 4.13.0, full rule set

6 violating nodes across 3 rules, 269 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Accessibility failures 2 of 24 audits

  • list — Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). 3 nodes
  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 2 nodes

SEO failures 1 of 10 audits

  • canonical — Document does not have a valid `rel=canonical`

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, 11:52 PM UTC 100 1.21 s 0 13 ms 540 kB 3/3 ±0 3,899 +57% 20.7s Wayback
Sep 28, 2026, 6:32 PM UTC 100 1.21 s 0.042 43 ms 535 kB 3/3 ±0 3,425 +38% 21.5s Wayback
Sep 21, 2026, 2:55 PM UTC 98 1.20 s 0.042 134 ms 532 kB 3/3 ±1 2,462 -1% 22.4s Wayback
Sep 14, 2026, 11:56 AM UTC 99 1.21 s 0.042 87 ms 356 kB 3/3 ±0 2,476 0% 22.4s Wayback
Sep 7, 2026, 8:59 AM UTC 98 1.20 s 0.042 162 ms 528 kB 3/3 ±1 2,489 0% 22.2s Wayback
Aug 31, 2026, 3:54 AM UTC 99 1.21 s 0.042 110 ms 527 kB 3/3 ±1 2,907 +17% 22.1s Wayback
Aug 21, 2026, 12:56 PM UTC 98 1.21 s 0.042 148 ms 523 kB 3/3 ±0 2,442 -2% 23.5s Wayback

Embed this score

Use this web component to show zerozoo-a.github.io'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://zerozoo-a.github.io/"></speedlify2-score>