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.

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privacy.celestial.dev

https://privacy.celestial.dev/

100PERF 100A11Y 96BEST 91SEO !AXE –CWV

Ranks Overall #829 Built Awesome #612

Data from Oct 4, 2026, 3:43 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

Eleventy 3.1.2 Built with Eleventy 3.1.2
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

100
Performance
no change
100
Accessibility
no change
96
Best Practices
no change
91
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 798 ms good ↑ +4 ms (+0.5%) 794 ms – 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 → no change 0 – 0
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 798 ms good ↑ +4 ms (+0.5%) 781 ms – 910 ms
Speed Index 798 ms good ↑ +4 ms (+0.5%) 781 ms – 910 ms
TTFB Time to First Byte 620 ms good ↑ +10 ms (+1.6%) 605 ms – 720 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 34 ms
time to first byte 22 ms

Page weight

Metric Value Change / range Trend
Page Weight 64.0 kB ↓ -34 B (-0.1%) 64.0 kB – 66.6 kB
Requests 2 → no change 2 – 3
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
image 95.8% 61.3 kB 1
document 4.2% 2.7 kB 1
Total 64.0 kB 2

Page health

Metric Value Change / range Trend
Main Thread Work 141 ms ↑ +17 ms (+13.5%) 109 ms – 154 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 114 → no change 114 – 114
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

Task Time Share Duration Simulated
other 54% 77 ms
style layout 28% 40 ms
script evaluation 8% 11 ms
paint composite render 6% 9 ms
parse HTML 3% 5 ms
script parse compile 0% 1 ms
Total 141 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 306 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Best Practices failures 1 of 19 audits

  • image-size-responsive — Serves images with low resolution 1 item

SEO failures 1 of 8 audits

  • link-text — Links do not have descriptive text 1 item

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 4, 2026, 3:43 PM UTC 100 798 ms 0 0 ms 64.0 kB 3/3 ±0 2,569 +3% 21.5s Wayback
Sep 27, 2026, 12:49 PM UTC 100 794 ms 0 0 ms 64.0 kB 3/3 ±0 2,444 -2% 20.6s Wayback
Sep 20, 2026, 10:45 AM UTC 100 833 ms 0 0 ms 64.0 kB 3/3 ±0 2,482 0% 22s Wayback
Sep 13, 2026, 9:00 AM UTC 100 910 ms 0 0 ms 66.6 kB 3/3 ±0 2,446 -2% 20.8s Wayback
Sep 6, 2026, 5:34 AM UTC 100 808 ms 0 0 ms 64.0 kB 3/3 ±0 2,692 +8% 21.3s Wayback
Aug 30, 2026, 1:08 AM UTC 100 1.21 s 0 0 ms 64.0 kB 3/3 ±0 2,436 -2% 21.4s Wayback
Aug 21, 2026, 4:43 AM UTC 100 1.21 s 0 0 ms 64.0 kB 3/3 ±0 2,484 0% 20.9s Wayback

Embed this score

Use this web component to show privacy.celestial.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://privacy.celestial.dev/"></speedlify2-score>