speedlify2

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

Charts Measurement runs Embed a score

mattknight.io

https://www.mattknight.io/

100 100 96 100 !AXE –CWV

Ranks Overall #637 Built Awesome #511

Data from Sep 8, 2026, 10:40 AM UTC old Measured once a week · 4 runs since Aug 21, 2026

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

Stack

Eleventy Built with Eleventy
Cloudflare Hosted by Cloudflare

Lighthouse Scores

100
Performance
no change
100
Accessibility
no change
96
Best Practices
no change
100
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 936 ms good ↑ +143 ms (+18%) significant 791 ms – 936 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 789 ms good ↓ -4 ms (-0.5%) 789 ms – 793 ms
Speed Index 789 ms good ↓ -4 ms (-0.5%) 789 ms – 793 ms
TTFB Time to First Byte 468 ms good ↓ -155 ms (-24.9%) significant 468 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 31 ms
time to first byte 31 ms

Page weight

Metric Value Change / range Trend
Page Weight 13.0 kB ↑ +181 B (+1.4%) 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

  • document 81.9% 5.4 kB · 1 req
  • other 11.2% 743 B · 1 req
  • script 6.9% 458 B · 1 req

Page health

Metric Value Change / range Trend
Main Thread Work 102 ms ↓ -1 ms (-1.3%) 102 ms – 109 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

other 60 ms
style layout 21 ms
script evaluation 10 ms
parse HTML 7 ms
paint composite render 3 ms
script parse compile 1 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.

  • moderate landmark-main-is-top-level — Main landmark should not be contained in another landmark 1 node
  • moderate landmark-no-duplicate-main — Document should not have more than one main landmark 1 node
  • moderate landmark-unique — Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 1 node

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 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>