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

mattknight.io

https://www.mattknight.io/

100PERF 100A11Y 96BEST 100SEO !AXE –CWV

Ranks Overall #681 Built Awesome #507

Data from Oct 6, 2026, 6:50 PM UTC old Measured once a week · 8 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 Built with Eleventy
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

100
Performance
no change
100
Accessibility
no change
96
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 863 ms good ↓ -84 ms (-8.9%) 791 ms – 947 ms
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 863 ms good ↑ +66 ms (+8.3%) significant 789 ms – 863 ms
Speed Index 863 ms good ↑ +66 ms (+8.3%) significant 789 ms – 863 ms
TTFB Time to First Byte 690 ms good ↑ +216 ms (+45.6%) 468 ms – 690 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 92 ms
element render delay 28 ms

Page weight

Metric Value Change / range Trend
Page Weight 12.8 kB ↓ -246 B (-1.9%) 12.8 kB – 13.0 kB
Requests 4 → no change 4 – 4
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
document 81.3% 5.2 kB 1
other 11.6% 741 B 1
script 7.2% 460 B 1
Total 12.8 kB 4

Page health

Metric Value Change / range Trend
Main Thread Work 105 ms ↓ -5 ms (-4.2%) 96 ms – 113 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 63 → no change 63 – 63
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
other 57% 60 ms
style layout 22% 24 ms
script evaluation 10% 11 ms
parse HTML 7% 7 ms
paint composite render 2% 3 ms
script parse compile 1% 1 ms
Total 105 ms

Axe violations axe-core 4.13.0, full rule set

3 violating nodes across 3 rules, 158 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Best Practices failures 1 of 19 audits

  • 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 6, 2026, 6:50 PM UTC 100 863 ms 0 0 ms 12.8 kB 3/3 ±0 2,482 0% 22.3s Wayback
Sep 29, 2026, 5:44 PM UTC 100 947 ms 0 0 ms 13.0 kB 3/3 ±0 2,507 +1% 20s Wayback
Sep 22, 2026, 2:24 PM UTC 100 840 ms 0 0 ms 13.0 kB 3/3 ±0 3,402 +37% 20.8s Wayback
Sep 15, 2026, 11:13 AM UTC 100 827 ms 0 0 ms 12.8 kB 3/3 ±0 2,336 -6% 21.1s Wayback
Sep 8, 2026, 10:40 AM UTC 100 936 ms 0 0 ms 13.0 kB 3/3 ±0 2,475 0% 19.9s Wayback
Sep 1, 2026, 7:20 AM UTC 100 793 ms 0 0 ms 12.8 kB 3/3 ±0 2,388 -4% 19.9s Wayback
Aug 30, 2026, 11:20 PM UTC TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 19.5s
Aug 21, 2026, 11:28 AM UTC 100 791 ms 0 0 ms 12.9 kB 3/3 ±0 2,316 -7% 20.1s Wayback

Embed this score

Use this web component to show mattknight.io'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.mattknight.io/"></speedlify2-score>