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

spencerharston.com

https://www.spencerharston.com/

88 100 100 100 !AXE –CWV

Ranks Overall #837 Built Awesome #657

Data from Sep 7, 2026, 9:06 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 3.0.0 Built with Eleventy 3.0.0
Cloudflare Hosted by Cloudflare

Lighthouse Scores

88
Performance
no change
100
Accessibility
no change
100
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 1.54 s good ↑ +143 ms (+10.2%) 1.40 s – 1.57 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.238 needs work → no change 0.238 – 0.238
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 792 ms good ↓ -604 ms (-43.3%) 792 ms – 1.40 s
Speed Index 792 ms good ↓ -604 ms (-43.3%) 792 ms – 1.40 s
TTFB Time to First Byte 619 ms good ↑ +154 ms (+33.1%) 465 ms – 643 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 80 ms
time to first byte 22 ms

Page weight

Metric Value Change / range Trend
Page Weight 49.5 kB ↑ +5.4 kB (+12.7%) 43.9 kB – 49.5 kB
Requests 12 → no change 12 – 12
Third-party Weight 15.0 kB ↑ +5.6 kB (+62.3%) 9.2 kB – 15.0 kB
Third-party CPU 2 ms → no change 2 ms – 2 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 0 B → no change 0 B – 0 B

By resource type

  • font 34.5% 17.1 kB · 1 req
  • image 19% 9.4 kB · 1 req
  • script 16.5% 8.2 kB · 3 req
  • stylesheet 14.8% 7.3 kB · 3 req
  • other 9% 4.4 kB · 3 req
  • document 6.2% 3.1 kB · 1 req

Third parties 4 entities

15.0 kB transferred, 2 ms on the main thread.

Fastly image 9.4 kB · 0 ms CPU
zgo.at script 4.4 kB · 2 ms CPU
workers.dev 843 B · 0 ms CPU
goatcounter.com 381 B · 0 ms CPU

Page health

Metric Value Change / range Trend
Main Thread Work 200 ms ↑ +3 ms (+1.6%) 196 ms – 200 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 94 → no change 94 – 94
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 5 → no change 5 – 5
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

other 92 ms
style layout 54 ms
script evaluation 28 ms
parse HTML 13 ms
paint composite render 9 ms
script parse compile 5 ms

Axe violations axe-core 4.13.0, full rule set

5 violating nodes across 2 rules, 203 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • minor aria-allowed-role — ARIA role should be appropriate for the element 4 nodes
  • moderate page-has-heading-one — Page should contain a level-one heading 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 7, 2026, 9:06 AM UTC 88 1.54 s 0.238 0 ms 49.5 kB 3/3 ±0 2,350 -5% 21.2s Wayback
Aug 31, 2026, 4:01 AM UTC 88 1.40 s 0.238 0 ms 43.9 kB 3/3 ±1 2,488 0% 21.7s Wayback
Aug 21, 2026, 2:36 PM UTC 88 1.57 s 0.238 0 ms 46.5 kB 3/3 ±7 2,330 -6% 22.7s Wayback

Embed this score

Use this web component to show spencerharston.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://www.spencerharston.com/"></speedlify2-score>