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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tanks.jandewil.de

https://tanks.jandewil.de/

64PERF 100A11Y 92BEST 100SEO !AXE –CWV

Ranks Overall #1,035 Built Awesome #739

Data from Oct 4, 2026, 10:51 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 2.0.1 Built with Eleventy 2.0.1
Uses Lit 3.0.0Lit 3.0.0
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

64
Performance
↓ -20 (-23.8%)
100
Accessibility
no change
92
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 6.77 s poor ↑ +3620 ms (+114.9%) significant 3.15 s – 6.93 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.002 good → no change 0.002 – 0.002
TBT Total Blocking Time 59 ms good ↓ -302 ms (-83.7%) significant 59 ms – 512 ms
FCP First Contentful Paint 4.98 s poor ↑ +3281 ms (+193.2%) significant 1.67 s – 4.98 s
Speed Index 4.98 s needs work ↑ +2680 ms (+116.6%) significant 1.80 s – 4.98 s
TTFB Time to First Byte 604 ms good ↓ -23 ms (-3.7%) 604 ms – 730 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 95 ms
resource load duration 11 ms
resource load delay 10 ms
time to first byte 5 ms

Page weight

Metric Value Change / range Trend
Page Weight 1.29 MB ↑ +6.0 kB (+0.5%) 1.28 MB – 1.29 MB
Requests 54 → no change 54 – 56
Third-party Weight 744 kB ↑ +6.6 kB (+0.9%) 737 kB – 744 kB
Third-party CPU 156 ms ↓ -40 ms (-20.4%) significant 156 ms – 239 ms
Unused JS 30.0 kB ↓ -106 B (-0.4%) 30.0 kB – 30.2 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
font 53.5% 689 kB 6
image 35.2% 454 kB 18
script 9.5% 122 kB 23
stylesheet 1% 12.2 kB 4
document 0.7% 8.9 kB 1
other 0.1% 1.7 kB 2
Total 1.29 MB 54

Third parties 2 entities

Entity Transfer Size Main thread Simulated
rsms.me font 691 kB 0 ms
JSDelivr CDN 52.6 kB 156 ms
Total 744 kB 156 ms

Page health

Metric Value Change / range Trend
Main Thread Work 3.71 s ↓ -1232 ms (-24.9%) significant 3.71 s – 5.37 s
Long Tasks 3 ↓ -2 (-40%) significant 3 – 6
DOM Elements 5,341 → no change 5,226 – 5,341
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 3 → no change 3 – 3
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 42% 1.57 s
other 26% 982 ms
paint composite render 22% 808 ms
style layout 8% 279 ms
parse HTML 1% 32 ms
script parse compile 1% 25 ms
garbage collection 0% 18 ms
Total 3.71 s

Axe violations axe-core 4.13.0, full rule set

3 violating nodes across 2 rules, 4613 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious scrollable-region-focusable — Scrollable region must have keyboard access 2 nodes
    Offending elements
    1. .pb-8 
      <div class="lg:grid lg:grid-cols-2 lg:gap-8 mt-4 pb-8 mb-8 max-lg:reel">
    2. .lg\:mt-4 
      <div class="lg:grid lg:grid-cols-2 lg:gap-8 lg:mt-4 max-lg:reel">
  • moderate region — All page content should be contained by landmarks 1 node
    Offending element
    1. .to-top-link 
      <a href="#top" class="to-top-link rounded-full px-6">Back to top<span aria-hidden=""> ↑</span> <span class="sr-only"> of page.</span> </a>

Best Practices failures 2 of 20 audits

  • image-aspect-ratio — Displays images with incorrect aspect ratio 1 item
  • errors-in-console — Browser errors were logged to the console 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 4, 2026, 10:51 PM UTC 64 6.77 s 0.002 59 ms 1.29 MB 3/3 ±6 3,129 +26% 37.5s Wayback
Sep 27, 2026, 9:02 PM UTC 84 3.15 s 0.002 361 ms 1.28 MB 3/3 ±33 2,273 -9% 45.2s Wayback
Sep 20, 2026, 6:07 PM UTC 64 6.81 s 0.002 493 ms 1.29 MB 3/3 ±29 2,491 0% 43.9s Wayback
Sep 13, 2026, 5:26 PM UTC 63 6.93 s 0.002 505 ms 1.28 MB 3/3 ±12 2,445 -2% 44.4s Wayback
Sep 6, 2026, 2:05 PM UTC 63 6.82 s 0.002 512 ms 1.29 MB 3/3 ±20 2,484 0% 44.1s Wayback
Aug 30, 2026, 1:37 PM UTC 65 4.40 s 0.002 505 ms 1.28 MB 3/3 ±20 2,451 -1% 45.5s Wayback
Aug 21, 2026, 4:35 PM UTC 66 4.41 s 0.002 504 ms 1.29 MB 3/3 ±29 2,487 0% 44.8s Wayback

Embed this score

Use this web component to show tanks.jandewil.de'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://tanks.jandewil.de/"></speedlify2-score>