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

jonplummer.com

https://jonplummer.com/

99PERF 95A11Y 96BEST 100SEO !AXE –CWV

Ranks Overall #799 Built Awesome #589

Data from Oct 4, 2026, 4:34 AM UTC old Measured once a week · 7 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 3.1.6 Built with Eleventy 3.1.6
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

99
Performance
↑ +1 (+1%)
95
Accessibility
no change
96
Best Practices
↓ -4 (-4%)
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 1.82 s good ↓ -148 ms (-7.5%) 1.75 s – 2.30 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 1.68 s good → no change 1.68 s – 1.73 s
Speed Index 1.68 s good → no change 1.68 s – 1.73 s
TTFB Time to First Byte 616 ms good ↑ +155 ms (+33.6%) 461 ms – 620 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 458 ms
element render delay 69 ms

Page weight

Metric Value Change / range Trend
Page Weight 117 kB ↑ +5.0 kB (+4.6%) 110 kB – 245 kB
Requests 10 → no change 10 – 12
Third-party Weight 10.2 kB → no change 9.6 kB – 11.5 kB
Third-party CPU 3 ms ↓ -0 ms (-5.7%) 3 ms – 4 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
font 57.9% 67.5 kB 2
document 18.7% 21.8 kB 1
stylesheet 11.4% 13.3 kB 1
script 10.6% 12.4 kB 2
other 1.4% 1.6 kB 2
Total 117 kB 10

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Cloudflare script 10.2 kB 3 ms
Total 10.2 kB 3 ms

Page health

Metric Value Change / range Trend
Main Thread Work 222 ms ↓ -11 ms (-4.7%) 189 ms – 240 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 457 ↑ +99 (+27.7%) significant 310 – 457
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 4 → no change 4 – 5
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 4 → no change 4 – 5

Main thread work

Task Time Share Duration Simulated
other 39% 87 ms
style layout 30% 66 ms
script evaluation 19% 41 ms
parse HTML 7% 15 ms
paint composite render 5% 11 ms
script parse compile 1% 1 ms
Total 222 ms

Axe violations axe-core 4.13.0, full rule set

4 violating nodes across 1 rule, 969 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 4 nodes
    Offending elements
    1. li:nth-child(1) > a[href$="about/"]
      <a href="/about/">/about</a>
    2. li:nth-child(2) > a[href$="now/"]
      <a href="/now/">/now</a>
    3. li:nth-child(3) > a[href$="portfolio/"]
      <a href="/portfolio/">/portfolio</a>
    4. .prev
      <a class="prev" href="/page/1/">Older posts</a>

Accessibility failures 1 of 22 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 4 nodes

Best Practices failures 1 of 18 audits

  • inspector-issues — Issues were logged in the `Issues` panel in Chrome Devtools 1 item

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
Oct 4, 2026, 4:34 AM UTC 99 1.82 s 0 0 ms 117 kB 3/3 ±1 3,227 +30% 25.3s Wayback
Sep 27, 2026, 12:20 AM UTC 98 1.97 s 0 0 ms 111 kB 3/3 ±1 2,489 0% 24.9s Wayback
Sep 19, 2026, 10:13 PM UTC 99 1.75 s 0 0 ms 110 kB 3/3 ±0 2,999 +21% 23.6s Wayback
Sep 12, 2026, 9:18 PM UTC 99 1.83 s 0 0 ms 135 kB 3/3 ±0 3,626 +46% 23.3s Wayback
Sep 5, 2026, 6:03 PM UTC 97 2.30 s 0 0 ms 245 kB 3/3 ±0 4,258 +71% 22.2s Wayback
Aug 29, 2026, 5:07 PM UTC 98 1.99 s 0 0 ms 112 kB 3/3 ±2 3,053 +23% 25s Wayback
Aug 21, 2026, 1:14 AM UTC 99 1.78 s 0 0 ms 115 kB 3/3 ±0 2,474 -1% 25.8s Wayback

Embed this score

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