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

jonwebb.dev

https://jonwebb.dev/

92 96 100 100 AXE CWV

Ranks Overall #1,109 11ty Emeritus

Data from Sep 12, 2026, 9:19 PM UTC old Measured once a week · 4 runs since Aug 21, 2026

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

This URL redirects to https://jonwebb.dev/Home.

The site’s front door pointing at the page it serves there — a locale or CMS landing path, not a move. The origin is still the address of the site, so history stays under it rather than forking to a path that depends on where the measurement ran. Lighthouse follows the redirect, so the numbers below describe the page actually served; the only cost is an extra hop on each run.

The measuring machine was faster than most in this project.

Lighthouse benchmark index was 3,468, 40% faster than this project's median of 2,482. CPU-bound metrics — TBT, TTI, main thread work — are affected by this and may have moved without the site changing at all.

Lab data is measured using Lighthouse, Mobile mode unless otherwise specified. Field data is reported from Chrome UX Report (using p75 measurements).

Stack

Obsidian Publish Built with Obsidian Publish
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

92
Performance
↓ -2 (-2.1%)
96
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 3.19 s needs work ↑ +52 ms (+1.7%) 3.14 s – 3.22 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 4 ms good ↑ +3 ms (+300%) 1 ms – 41 ms
FCP First Contentful Paint 1.76 s good ↑ +954 ms (+117.6%) 811 ms – 1.76 s
Speed Index 1.76 s good ↑ +74 ms (+4.4%) 1.52 s – 1.76 s
TTFB Time to First Byte 544 ms good ↓ -103 ms (-15.9%) significant 544 ms – 695 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 151 ms
time to first byte 96 ms

Page weight

Metric Value Change / range Trend
Page Weight 288 kB ↑ +53 B 288 kB – 288 kB
Requests 9 → no change 9 – 9
Third-party Weight 317 kB ↓ -382 B (-0.1%) 317 kB – 318 kB
Third-party CPU 37 ms ↑ +3 ms (+9.1%) 34 ms – 56 ms
Unused JS 77.3 kB → no change 77.3 kB – 77.5 kB
Unused CSS 16.7 kB ↓ -41 B (-0.2%) 16.7 kB – 16.8 kB

By resource type

Type Transfer Share Size Requests
script 83.3% 240 kB 1
stylesheet 9.7% 27.9 kB 1
other 6.2% 17.8 kB 5
document 0.6% 1.8 kB 1
image 0.2% 496 B 1
Total 288 kB 9

Third parties 1 entities

Entity Transfer Size Main thread Simulated
obsidian.md scriptother 317 kB 37 ms
Total 317 kB 37 ms

Page health

Metric Value Change / range Trend
Main Thread Work 387 ms ↑ +15 ms (+4%) 373 ms – 497 ms
Long Tasks 1 → no change 1 – 2
DOM Elements 131 → no change 131 – 131
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 9 → no change 9 – 15
A11y Failures 2 → no change 2 – 2
A11y Failing Nodes 2 → no change 2 – 2

Main thread work

Task Time Share Duration Simulated
script evaluation 37% 142 ms
other 30% 115 ms
style layout 16% 61 ms
script parse compile 12% 45 ms
parse HTML 2% 9 ms
garbage collection 2% 8 ms
paint composite render 2% 7 ms
Total 387 ms

Axe violations axe-core 4.13.0, full rule set

9 violating nodes across 2 rules, 144 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate region — All page content should be contained by landmarks 8 nodes
  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 1 node

Accessibility failures 2 of 25 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 1 node
  • label-content-name-mismatch — Elements with visible text labels do not have matching accessible names. 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 12, 2026, 9:19 PM UTC 92 3.19 s 0 4 ms 288 kB 3/3 ±3 3,468 +40% 21.3s Wayback
Sep 5, 2026, 6:03 PM UTC 94 3.14 s 0 1 ms 288 kB 3/3 ±11 4,334 +75% 20.7s Wayback
Aug 29, 2026, 5:08 PM UTC 93 3.20 s 0 20 ms 288 kB 3/3 ±5 3,071 +24% 22.7s Wayback
Aug 21, 2026, 1:15 AM UTC 92 3.22 s 0 41 ms 288 kB 3/3 ±3 2,493 0% 22.3s Wayback