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

johan.im

https://johan.im/

99PERF 96A11Y 100BEST 100SEO ✗AXE –CWV

Ranks Overall #1,165 11ty Emeritus

Data from Sep 19, 2026, 10:09 PM UTC old Measured once a month · 5 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

fr Built with frey
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

99
Performance
↓ -1 (-1%)
96
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 1.67 s good ↑ +132 ms (+8.6%) 1.36 s – 1.67 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.042 good ↓ -0.006 (-12.5%) significant 0.001 – 0.048
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.22 s good → no change 1.22 s – 1.36 s
Speed Index 1.22 s good → no change 1.22 s – 1.36 s
TTFB Time to First Byte 462 ms good → no change 460 ms – 477 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 54 ms
time to first byte 16 ms

Page weight

Metric Value Change / range Trend
Page Weight 23.9 kB ↑ +85 B (+0.4%) 23.4 kB – 24.0 kB
Requests 11 → no change 11 – 11
Third-party Weight 4.8 kB ↑ +74 B (+1.6%) 4.7 kB – 4.9 kB
Third-party CPU 2 ms ↑ +1 ms (+33.3%) significant 2 ms – 2 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 27.5% 6.6 kB 3
image 24.7% 5.9 kB 3
stylesheet 24.5% 5.9 kB 1
document 12.6% 3.0 kB 1
other 10.6% 2.5 kB 2
Total 23.9 kB 11

Third parties 2 entities

Entity Transfer Size Main thread Simulated
zgo.at script 4.4 kB 2 ms
goatcounter.com 382 B 0 ms
Total 4.8 kB 2 ms

Page health

Metric Value Change / range Trend
Main Thread Work 193 ms ↑ +22 ms (+13.1%) 139 ms – 347 ms
Long Tasks 0 → no change 0 – 1
DOM Elements 87 → no change 87 – 88
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 6 → no change 6 – 7
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 5 → no change 5 – 6

Main thread work

Task Time Share Duration Simulated
other 47% 91 ms
style layout 28% 54 ms
script evaluation 12% 23 ms
parse HTML 6% 12 ms
paint composite render 5% 9 ms
script parse compile 2% 4 ms
Total 193 ms

Axe violations axe-core 4.13.0, full rule set

6 violating nodes across 2 rules, 210 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious link-in-text-block — Links must be distinguishable without relying on color 5 nodes
  • moderate region — All page content should be contained by landmarks 1 node

Accessibility failures 1 of 23 audits

  • link-in-text-block — Links rely on color to be distinguishable. 5 nodes

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 19, 2026, 10:09 PM UTC 99 1.67 s 0.042 0 ms 23.9 kB 3/3 ±1 2,473 -1% 20.9s Wayback
Sep 12, 2026, 9:15 PM UTC 100 1.53 s 0.048 0 ms 23.8 kB 3/3 ±0 2,494 0% 21.6s Wayback
Sep 5, 2026, 5:59 PM UTC 100 1.53 s 0.001 0 ms 23.8 kB 3/3 ±1 2,452 -1% 21.9s Wayback
Aug 29, 2026, 5:01 PM UTC 100 1.36 s 0.001 0 ms 24.0 kB 3/3 ±0 2,465 -1% 22.7s Wayback
Aug 21, 2026, 1:20 AM UTC 100 1.56 s 0.001 0 ms 23.4 kB 3/3 ±3 3,377 +36% 21.5s Wayback