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

kev.5sn.com

https://kev.5sn.com/

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

Ranks Overall #600 Built Awesome #451

Data from Oct 4, 2026, 4:33 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

Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

100
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 869 ms good ↓ -658 ms (-43.1%) significant 817 ms – 1.56 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 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 869 ms good ↓ -658 ms (-43.1%) significant 817 ms – 1.56 s
Speed Index 869 ms good ↓ -658 ms (-43.1%) significant 817 ms – 1.56 s
TTFB Time to First Byte 483 ms good ↓ -133 ms (-21.6%) significant 469 ms – 621 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.

time to first byte 148 ms
element render delay 53 ms

Page weight

Metric Value Change / range Trend
Page Weight 21.5 kB ↑ +408 B (+1.9%) 19.9 kB – 21.8 kB
Requests 3 → no change 3 – 3
Third-party Weight 10.3 kB ↑ +126 B (+1.2%) 9.6 kB – 11.5 kB
Third-party CPU 3 ms ↓ -1 ms (-25%) significant 3 ms – 4 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
document 49.8% 10.7 kB 1
script 48.1% 10.3 kB 1
other 2.1% 448 B 1
Total 21.5 kB 3

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Cloudflare script 10.3 kB 3 ms
Total 10.3 kB 3 ms

Without JavaScript

The same load, photographed twice at 412×823: once with scripts disabled, once as rendered.

Scripts disabled
As rendered

0% of pixels differ — they are identical. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.

Page health

Metric Value Change / range Trend
Main Thread Work 236 ms ↑ +2 ms (+0.9%) 183 ms – 236 ms
Long Tasks 1 → no change 0 – 1
DOM Elements 248 → no change 238 – 248
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
style layout 44% 104 ms
other 31% 73 ms
script evaluation 16% 37 ms
parse HTML 4% 11 ms
paint composite render 4% 10 ms
script parse compile 0% 1 ms
Total 236 ms

Axe violations axe-core 4.13.0, full rule set

3 violating nodes across 1 rule, 511 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate region — All page content should be contained by landmarks 3 nodes
    Offending elements
    1. .nav-search-link 
      <a href="/search/" class="nav-search-link">Search</a>
    2. .nav-toc-label 
      <span class="nav-toc-label">On this page ▾</span>
    3. .site-footer-bar 
      <div class="site-footer-bar"> <span><a href="https://kev.5sn.com/">Gavin Hollinger</a> &amp; AI assembled this air-gap friendly HTML</span> </div>

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
Oct 4, 2026, 4:33 AM UTC 100 869 ms 0 0 ms 21.5 kB 3/3 ±1 2,477 0% 22.8s Wayback
Sep 27, 2026, 12:19 AM UTC 100 1.53 s 0 0 ms 21.1 kB 3/3 ±1 2,488 0% 22.9s Wayback
Sep 19, 2026, 10:11 PM UTC 100 1.53 s 0 0 ms 21.3 kB 3/3 ±1 2,479 0% 23s Wayback
Sep 12, 2026, 9:17 PM UTC 100 1.54 s 0 0 ms 20.8 kB 3/3 ±1 2,497 0% 23s Wayback
Sep 5, 2026, 6:02 PM UTC 99 1.56 s 0 0 ms 20.8 kB 3/3 ±1 2,148 -14% 21.8s Wayback
Aug 29, 2026, 5:05 PM UTC 100 1.53 s 0 0 ms 19.9 kB 3/3 ±0 2,976 +20% 20.9s Wayback
Aug 21, 2026, 1:22 AM UTC 100 817 ms 0 0 ms 21.8 kB 3/3 ±1 2,509 +1% 22.5s Wayback

Embed this score

Use this web component to show kev.5sn.com'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://kev.5sn.com/"></speedlify2-score>