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

chris-snowden.me

https://www.chris-snowden.me/

100 96 92 100 !AXE CWV

Ranks Overall #783 Built Awesome #621

Data from Sep 13, 2026, 11:00 PM UTC old Measured once a week · 4 runs since Aug 21, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · 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).

Lighthouse Scores LAB Simulated

100
Performance
no change
96
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 974 ms good ↓ -384 ms (-28.3%) 958 ms – 1.36 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a
CLS CWV (estimate) Cumulative Layout Shift 0.010 good → no change 0.010 – 0.011
TBT Total Blocking Time 2 ms good ↓ -12 ms (-85.7%) 2 ms – 15 ms
FCP First Contentful Paint 974 ms good ↓ -384 ms (-28.3%) 958 ms – 1.36 s
Speed Index 974 ms good ↓ -384 ms (-28.3%) 958 ms – 1.36 s
TTFB Time to First Byte 644 ms good ↑ +36 ms (+5.9%) significant 608 ms – 644 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 46 ms
element render delay 32 ms

Page weight

Metric Value Change / range Trend
Page Weight 256 kB ↓ -9 B 256 kB – 256 kB
Requests 11 → no change 11 – 11
Third-party Weight 0 B → no change 0 B – 0 B
Third-party CPU 0 ms → no change 0 ms – 0 ms
Unused JS 96.2 kB → no change 96.2 kB – 96.2 kB
Unused CSS 19.9 kB → no change 19.9 kB – 19.9 kB

By resource type

Type Transfer Share Size Requests
script 55.7% 140 kB 1
font 23.6% 59.1 kB 2
document 10.4% 26.1 kB 1
other 9.9% 24.9 kB 3
image 0.3% 696 B 2
Total 256 kB 11

Page health

Metric Value Change / range Trend
Main Thread Work 204 ms ↓ -75 ms (-26.8%) 204 ms – 278 ms
Long Tasks 1 → no change 1 – 1
DOM Elements 53 → no change 53 – 53
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 4 → no change 4 – 4
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 1 → no change 1 – 1

Main thread work

Task Time Share Duration Simulated
other 39% 79 ms
script parse compile 24% 48 ms
script evaluation 15% 30 ms
style layout 12% 24 ms
parse HTML 9% 18 ms
paint composite render 2% 5 ms
Total 204 ms

Axe violations axe-core 4.13.0, full rule set

4 violating nodes across 3 rules, 51 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 2 nodes
  • moderate landmark-one-main — Document should have one main landmark 1 node
  • moderate page-has-heading-one — Page should contain a level-one heading 1 node

Accessibility failures 1 of 12 audits

  • landmark-one-main — Document does not have a main landmark. 1 node

Best Practices failures 2 of 19 audits

  • charset — Charset declaration is missing or occurs too late in the HTML
  • 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
Sep 13, 2026, 11:00 PM UTC 100 974 ms 0.010 2 ms 256 kB 3/3 ±0 3,002 +21% 20.7s Wayback
Sep 6, 2026, 9:09 PM UTC 100 1.36 s 0.010 14 ms 256 kB 3/3 ±0 2,301 -7% 20.5s Wayback
Aug 30, 2026, 8:44 PM UTC 100 958 ms 0.011 2 ms 256 kB 3/3 ±4 3,078 +24% 20.6s Wayback
Aug 21, 2026, 11:30 AM UTC 100 1.21 s 0.011 15 ms 256 kB 3/3 ±0 2,468 -1% 21.4s Wayback

Embed this score

Use this web component to show chris-snowden.me'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://www.chris-snowden.me/"></speedlify2-score>