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

joffreyspitzer.com

https://joffreyspitzer.com/

78PERF 100A11Y 100BEST 100SEO !AXE –CWV

Ranks Overall #933 Astro Showcase #59

Data from Oct 2, 2026, 6:56 AM UTC old Measured once a month · 1 run since Oct 2, 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

Astro 5.15.1 Built with Astro 5.15.1
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

78
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
100
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 4.99 s poor — 4.99 s – 4.99 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 – 0
TBT Total Blocking Time 0 ms good — 0 ms – 0 ms
FCP First Contentful Paint 2.44 s needs work — 2.44 s – 2.44 s
Speed Index 2.44 s good — 2.44 s – 2.44 s
TTFB Time to First Byte 467 ms good — 467 ms – 467 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 65 ms
time to first byte 19 ms

Page weight

Metric Value Change / range Trend
Page Weight 5.27 MB — 5.27 MB – 5.27 MB
Requests 26 — 26 – 26
Third-party Weight 645 kB — 645 kB – 645 kB
Third-party CPU 9 ms — 9 ms – 9 ms
Unused JS 155 kB — 155 kB – 155 kB
Unused CSS 0 B — 0 B – 0 B

By resource type

Type Transfer Share Size Requests
media 78.4% 4.13 MB 3
image 12.5% 659 kB 9
script 4.6% 240 kB 3
font 4% 210 kB 4
other 0.3% 15.4 kB 5
document 0.2% 11.8 kB 1
Total 5.27 MB 26

Third parties 3 entities

Entity Transfer Size Main thread Simulated
prismic.io image 631 kB 0 ms
Cloudflare 10.2 kB 4 ms
umami.is 3.4 kB 5 ms
Total 645 kB 9 ms

Page health

Metric Value Change / range Trend
Main Thread Work 1.20 s — 1.20 s – 1.20 s
Long Tasks 1 — 1 – 1
DOM Elements 153 — 153 – 153
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 1 — 1 – 1
A11y Failures 0 — 0 – 0
A11y Failing Nodes 0 — 0 – 0

Main thread work

Task Time Share Duration Simulated
other 47% 560 ms
script evaluation 30% 364 ms
style layout 13% 153 ms
paint composite render 6% 71 ms
parse HTML 4% 49 ms
script parse compile 0% 4 ms
Total 1.20 s

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 62 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Best Practices failures 1 of 19 audits

  • valid-source-maps — Missing source maps for large first-party JavaScript 1 item

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Field history 25 weeks

Weekly p75 from the CrUX History API, backfilled in a single request.

Week ending LCPINPCLSFCPTTFB
2026-04-11 → 2026-09-26 No data — 25 weeks under the CrUX reporting threshold

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 2, 2026, 6:56 AM UTC 78 4.99 s 0 0 ms 5.27 MB 3/3 ±13 2,470 -1% 25s Wayback