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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magnus.anderssen.ch

https://magnus.anderssen.ch/

99PERF 100A11Y 100BEST 82SEO ✓AXE –CWV

Ranks Overall #484 Built Awesome #372

Data from Oct 4, 2026, 10:58 AM 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

Uses SvelteSvelte
Self-hosted · nginx Hosted by Self-hosted

Lighthouse Scores LAB Simulated

99
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
82
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 1.69 s good ↑ +4 ms (+0.2%) 1.09 s – 1.70 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 – 0.044
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.62 s good ↑ +4 ms (+0.2%) 1.09 s – 1.63 s
Speed Index 2.80 s good ↑ +18 ms (+0.6%) 1.11 s – 2.80 s
TTFB Time to First Byte 918 ms needs work ↑ +10 ms (+1.1%) 787 ms – 926 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 1.17 s
time to first byte 361 ms

Page weight

Metric Value Change / range Trend
Page Weight 116 kB ↓ -36 B 115 kB – 116 kB
Requests 18 → no change 18 – 18
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 46.3% 53.6 kB 12
font 39% 45.2 kB 3
document 8.1% 9.4 kB 1
stylesheet 5.9% 6.8 kB 1
other 0.7% 829 B 1
Total 116 kB 18

Page health

Metric Value Change / range Trend
Main Thread Work 209 ms ↓ -55 ms (-20.7%) 209 ms – 294 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 58 → no change 58 – 58
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 → no change 0 – 0
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

Task Time Share Duration Simulated
other 48% 101 ms
script evaluation 31% 65 ms
style layout 14% 30 ms
parse HTML 3% 6 ms
paint composite render 2% 4 ms
script parse compile 1% 3 ms
Total 209 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 132 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

SEO failures 2 of 8 audits

  • meta-description — Document does not have a meta description
  • link-text — Links do not have descriptive text 3 items

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, 10:58 AM UTC 99 1.69 s 0 0 ms 116 kB 3/3 ±0 3,087 +24% 25.3s Wayback
Sep 27, 2026, 6:19 AM UTC 99 1.69 s 0 0 ms 116 kB 3/3 ±1 2,506 +1% 26s Wayback
Sep 20, 2026, 12:44 AM UTC 99 1.70 s 0 0 ms 116 kB 3/3 ±1 2,462 -1% 26.3s Wayback
Sep 12, 2026, 11:49 PM UTC 99 1.69 s 0 0 ms 116 kB 3/3 ±1 2,470 -1% 25.8s Wayback
Sep 5, 2026, 8:06 PM UTC 99 1.70 s 0 0 ms 116 kB 3/3 ±1 3,076 +24% 25.6s Wayback
Aug 29, 2026, 7:45 PM UTC 100 1.09 s 0.044 0 ms 116 kB 3/3 ±0 2,369 -5% 23.1s Wayback
Aug 21, 2026, 4:39 AM UTC 99 1.70 s 0 0 ms 115 kB 3/3 ±1 2,989 +20% 25.4s Wayback

Embed this score

Use this web component to show magnus.anderssen.ch'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://magnus.anderssen.ch/"></speedlify2-score>