speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time.

Charts Compare Measurement runs Embed a score

sketchnotes.sixtwothree.org

https://sketchnotes.sixtwothree.org/

99 100 92 91 ✓AXE –CWV

Ranks Overall #431 Built Awesome #351

Data from Sep 6, 2026, 10:21 AM UTC old Measured once a week · 3 runs since Aug 21, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Scoring Calculator · Wayback Machine

Stack

Eleventy 3.1.6 Built with Eleventy 3.1.6
Cloudflare Hosted by Cloudflare

Lighthouse Scores

99
Performance
no change
100
Accessibility
no change
92
Best Practices
no change
91
SEO
no change

Metrics Lighthouse, mobile

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 Lighthouse
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 1.56 s good ↑ +3 ms (+0.2%) 1.55 s – 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 1.56 s good ↑ +3 ms (+0.2%) 1.55 s – 1.56 s
Speed Index 1.56 s good ↑ +3 ms (+0.2%) 1.55 s – 1.56 s
TTFB Time to First Byte 476 ms good ↓ -147 ms (-23.6%) significant 476 ms – 623 ms

LCP Subparts lab observed, unthrottled

The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab LCP shown above is throttled.

element render delay 62 ms
time to first byte 15 ms

Page weight

Metric Value Change / range Trend
Page Weight 10.0 kB ↑ +442 B (+4.6%) 9.5 kB – 10.0 kB
Requests 6 → no change 6 – 6
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

  • document 81.1% 4.0 kB · 1 req
  • other 18.9% 932 B · 1 req

Page health

Metric Value Change / range Trend
Main Thread Work 120 ms ↓ -13 ms (-9.9%) 81 ms – 133 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 192 → no change 192 – 192
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

other 68 ms
style layout 25 ms
paint composite render 11 ms
script evaluation 8 ms
parse HTML 7 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 392 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3 1 console error

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 6, 2026, 10:21 AM UTC 99 1.56 s 0 0 ms 10.0 kB 3/3 ±0 2,497 +1% 22s Wayback
Aug 30, 2026, 7:56 AM UTC 99 1.55 s 0 0 ms 9.5 kB 3/3 ±0 2,453 -1% 21.2s Wayback
Aug 21, 2026, 7:45 AM UTC 99 1.55 s 0 0 ms 9.6 kB 3/3 ±0 4,104 +65% 19.7s Wayback

Embed this score

Use this web component to show sketchnotes.sixtwothree.org'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://sketchnotes.sixtwothree.org/"></speedlify2-score>