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.

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davidjohnmead.com

https://davidjohnmead.com/

98PERF 93A11Y 100BEST 100SEO !AXE –CWV

Ranks Overall #791 Built Awesome #584

Data from Oct 3, 2026, 7:40 AM UTC old Measured once a week · 7 runs since Aug 20, 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
Self-hosted · Apache Hosted by Self-hosted

Lighthouse Scores LAB Simulated

98
Performance
↓ -1 (-1%)
93
Accessibility
no change
100
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 2.27 s good ↑ +83 ms (+3.8%) 2.19 s – 2.28 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 921 ms good ↑ +8 ms (+0.9%) 911 ms – 928 ms
Speed Index 2.26 s good ↑ +17 ms (+0.8%) 911 ms – 2.31 s
TTFB Time to First Byte 611 ms good ↑ +4 ms (+0.7%) 606 ms – 614 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.

element render delay 1.20 s
time to first byte 146 ms

Page weight

Metric Value Change / range Trend
Page Weight 144 kB → no change 144 kB – 144 kB
Requests 23 → no change 23 – 23
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
font 58.1% 81.0 kB 3
image 31.9% 44.4 kB 16
document 3.4% 4.8 kB 1
stylesheet 3.4% 4.8 kB 1
other 3.1% 4.3 kB 1
Total 144 kB 23

Page health

Metric Value Change / range Trend
Main Thread Work 215 ms ↓ -22 ms (-9.2%) 205 ms – 251 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 289 → no change 289 – 289
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 4 → no change 4 – 4

Main thread work

Task Time Share Duration Simulated
other 62% 133 ms
style layout 23% 49 ms
paint composite render 6% 13 ms
parse HTML 5% 11 ms
script evaluation 4% 9 ms
script parse compile 0% 1 ms
Total 215 ms

Axe violations axe-core 4.13.0, full rule set

4 violating nodes across 1 rule, 655 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(11) > del 
      <del>Medium</del>
    2. li:nth-child(19) > del 
      <del>Product Hunt</del>
    3. li:nth-child(23) > del 
      <del>Stack Overflow</del>
    4. li:nth-child(27) > del 
      <del>Goodreads</del>

Accessibility failures 1 of 16 audits

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

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache http/1.1

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 3, 2026, 7:40 AM UTC 98 2.27 s 0 0 ms 144 kB 3/3 ±1 2,291 -8% 25.9s Wayback
Sep 26, 2026, 3:44 AM UTC 99 2.19 s 0 0 ms 144 kB 3/3 ±1 2,481 0% 25s Wayback
Sep 18, 2026, 11:07 PM UTC 98 2.28 s 0 0 ms 144 kB 3/3 ±1 2,625 +6% 25.9s Wayback
Sep 11, 2026, 8:34 PM UTC 99 2.19 s 0 0 ms 144 kB 3/3 ±0 2,636 +6% 21.1s Wayback
Sep 4, 2026, 6:11 PM UTC 98 2.26 s 0 0 ms 144 kB 3/3 ±1 2,368 -5% 26.9s Wayback
Aug 28, 2026, 5:55 PM UTC 99 2.19 s 0 0 ms 144 kB 3/3 ±0 2,324 -7% 26.1s Wayback
Aug 20, 2026, 8:30 PM UTC 98 2.27 s 0 0 ms 144 kB 3/3 ±0 2,247 -10% 26.4s Wayback

Embed this score

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