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

chrisburnell.com

https://chrisburnell.com/

92PERF 100A11Y 100BEST 100SEO βœ“AXE βœ“CWV

Ranks Overall #396 Built Awesome #306

Data from Oct 3, 2026, 7:39 AM UTC old Measured once a week Β· 7 runs since Aug 20, 2026

Elsewhere: PageSpeed Insights Β· Calibre Β· Treo Β· CrUX Vis Β· Tame the Bots Β· Scoring Calculator Β· Wayback Machine

The measuring machine was faster than most in this project.

Lighthouse benchmark index was 4,139, 67% faster than this project's median of 2,486. CPU-bound metrics β€” TBT, TTI, main thread work β€” 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

Eleventy 3.1.6 Built with Eleventy 3.1.6
Bu Hosted by Bunny CDN

Lighthouse Scores LAB Simulated

92
Performance
↓ -7 (-7.1%)
100
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Metrics LAB FIELD

Core Web Vitals: passing 3 of 3 assessed from real Chrome users.

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-09-04 → 2026-10-01), origin-level.

Metric Lab Simulated Field
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 1.72 s good ↓ -257 ms (-13%) 1.10 s – 3.40 s 1.36 s good 92.3% 4.4% 3.3%
INP CWV Interaction to Next Paint β€” field only, no lab run can measure it n/a — 120 ms good 88.6% 9.3% 2.2%
CLS CWV Cumulative Layout Shift 0.001 good ↑ +0.001 0 – 0.015 0 good 98.8% 0.9% 0.3%
TBT Total Blocking Time 334 ms needs work ↑ +260 ms (+351.4%) 74 ms – 1.22 s n/a —
FCP First Contentful Paint 965 ms good ↓ -73 ms (-7%) 965 ms – 1.27 s 1.37 s good 85.1% 9% 5.9%
Speed Index 965 ms good ↓ -73 ms (-7%) 965 ms – 3.03 s n/a —
TTFB Time to First Byte 623 ms good ↑ +20 ms (+3.3%) 603 ms – 775 ms 1.06 s needs work 62.1% 28% 10%

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 77 ms
time to first byte 19 ms

LCP LAB Simulated vs LCP FIELD

Lab 1.72 s
Field p75 1.36 s

The lab LCP is 1.26Γ— the field p75 β€” real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 196 kB ↓ -79.7 kB (-29.3%) significant 196 kB – 291 kB
Requests 26 β†’ no change 24 – 29
Third-party Weight 0 B β†’ no change 0 B – 0 B
Third-party CPU 0 ms β†’ no change 0 ms – 0 ms
Unused JS 0 B β†’ no change 0 B – 0 B
Unused CSS 0 B β†’ no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
font 49.1% 96.3 kB 1
image 22.4% 44.0 kB 15
document 12.8% 25.2 kB 1
stylesheet 9.2% 18.2 kB 1
script 5.6% 11.0 kB 3
other 0.9% 1.7 kB 4
Total 196 kB 26

Page health

Metric Value Change / range Trend
Main Thread Work 1.37 s ↑ +483 ms (+54.6%) 886 ms – 3.12 s
Long Tasks 7 ↑ +6 (+600%) significant 1 – 7
DOM Elements 811 ↑ +2 (+0.2%) 751 – 811
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 β†’ no change 0 – 0
A11y Failures 0 β†’ no change 0 – 0
A11y Failing Nodes 0 β†’ no change 0 – 0

Main thread work

Task Time Share Duration Simulated
style layout 51% 704 ms
other 37% 511 ms
paint composite render 6% 82 ms
script evaluation 3% 44 ms
parse HTML 2% 22 ms
garbage collection 0% 5 ms
script parse compile 0% 2 ms
Total 1.37 s

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 924 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Field history 25 weeks

Weekly p75 from the CrUX History API, backfilled in a single request.

Week ending LCPINPCLSFCPTTFB
2026-09-26 1.34 s 120 ms 0 1.35 s 1.05 s
2026-09-19 1.41 s 123 ms 0 1.41 s 1.12 s
2026-09-12 1.16 s 114 ms 0 1.15 s 907 ms
2026-09-05 1.18 s 116 ms 0 1.17 s 927 ms
2026-08-29 1.17 s 116 ms 0 1.16 s 925 ms
2026-08-22 1.14 s 115 ms 0 1.14 s 907 ms
2026-04-11 β†’ 2026-08-15 No data β€” 19 weeks under the CrUX reporting threshold

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 3, 2026, 7:39 AM UTC 92 1.72 s 0.001 334 ms 196 kB 3/3 Β±8 4,139 +66% 28.3s Wayback
Sep 26, 2026, 3:43 AM UTC 99 1.98 s 0 74 ms 278 kB 3/3 Β±15 2,874 +16% 29.5s Wayback
Sep 18, 2026, 11:03 PM UTC 88 1.81 s 0.001 450 ms 200 kB 3/3 Β±10 2,482 0% 39.3s Wayback
Sep 11, 2026, 8:32 PM UTC 81 1.10 s 0.004 768 ms 274 kB 3/3 Β±1 2,481 0% 39.2s Wayback
Sep 4, 2026, 6:09 PM UTC 80 2.44 s 0.013 723 ms 269 kB 3/3 Β±10 2,333 -6% 35.9s Wayback
Aug 28, 2026, 5:50 PM UTC 70 3.40 s 0.013 910 ms 291 kB 3/3 Β±7 2,435 -2% 39.5s Wayback
Aug 20, 2026, 8:27 PM UTC 67 3.39 s 0.015 1.22 s 280 kB 3/3 Β±5 2,512 +1% 44.6s Wayback

Embed this score

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