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

andrewpucci.com

https://andrewpucci.com/

99PERF 100A11Y 88BEST 100SEO ✓AXE –CWV

Ranks Overall #464 11ty Emeritus

Data from Oct 2, 2026, 11:00 PM UTC old Measured once a week · 7 runs since Aug 20, 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

SvelteKit Built with SvelteKit
Uses SvelteSvelte
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

99
Performance
↑ +4 (+4.2%)
100
Accessibility
no change
88
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 1.90 s good ↓ -873 ms (-31.5%) significant 1.90 s – 2.78 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 1 ms good ↓ -15 ms (-93.7%) significant 1 ms – 22 ms
FCP First Contentful Paint 1.17 s good ↓ -573 ms (-33%) significant 1.17 s – 1.74 s
Speed Index 1.17 s good ↓ -573 ms (-33%) significant 1.17 s – 1.74 s
TTFB Time to First Byte 619 ms good ↑ +149 ms (+31.7%) significant 468 ms – 629 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 48 ms
time to first byte 42 ms
resource load duration 37 ms
resource load delay 15 ms

Page weight

Metric Value Change / range Trend
Page Weight 249 kB ↓ -62 B 248 kB – 250 kB
Requests 31 → no change 31 – 31
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
script 41.4% 103 kB 21
image 37.6% 93.7 kB 4
font 13.9% 34.7 kB 1
document 3.5% 8.6 kB 1
stylesheet 2% 5.0 kB 2
other 1.6% 3.9 kB 2
Total 249 kB 31

Page health

Metric Value Change / range Trend
Main Thread Work 386 ms ↓ -149 ms (-27.8%) significant 386 ms – 535 ms
Long Tasks 1 ↓ -1 (-50%) significant 1 – 2
DOM Elements 194 → no change 194 – 194
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 → no change 0 – 1
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

Task Time Share Duration Simulated
script evaluation 41% 160 ms
other 41% 157 ms
style layout 11% 43 ms
parse HTML 4% 15 ms
paint composite render 2% 7 ms
script parse compile 1% 4 ms
Total 386 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 267 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Best Practices failures 3 of 18 audits

  • image-aspect-ratio — Displays images with incorrect aspect ratio 2 items
  • errors-in-console — Browser errors were logged to the console 1 item
  • inspector-issues — Issues were logged in the `Issues` panel in Chrome Devtools 1 item

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2 1 console error

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 2, 2026, 11:00 PM UTC 99 1.90 s 0 1 ms 249 kB 3/3 ±1 3,189 +28% 23.1s Wayback
Sep 25, 2026, 12:35 AM UTC 95 2.77 s 0 16 ms 249 kB 3/3 ±2 2,492 0% 23.3s Wayback
Sep 17, 2026, 11:30 PM UTC 96 2.65 s 0 19 ms 249 kB 3/3 ±7 2,471 -1% 24.4s Wayback
Sep 10, 2026, 9:32 PM UTC 99 1.91 s 0 22 ms 248 kB 3/3 ±1 2,442 -2% 27.3s Wayback
Sep 3, 2026, 7:24 PM UTC 95 2.78 s 0 11 ms 250 kB 3/3 ±3 2,437 -2% 22.9s Wayback
Aug 27, 2026, 4:14 PM UTC 96 2.67 s 0 15 ms 249 kB 3/3 ±5 2,494 0% 24s Wayback
Aug 20, 2026, 3:42 PM UTC 96 2.63 s 0 13 ms 249 kB 3/3 ±1 2,394 -4% 24.1s Wayback