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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frontendnorth.com

https://frontendnorth.com/

94PERF 100A11Y 100BEST 100SEO !AXE –CWV

Ranks Overall #717 Built Awesome #538

Data from Oct 7, 2026, 5:18 PM UTC old Measured once a week · 11 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 3.0.0 Built with Eleventy 3.0.0

Lighthouse Scores LAB Simulated

94
Performance
↓ -6 (-6%)
100
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 2.45 s good ↑ +930 ms (+61.1%) 1.52 s – 3.32 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.001 good → no change 0.001 – 0.161
TBT Total Blocking Time 3 ms good ↑ +3 ms 0 ms – 5 ms
FCP First Contentful Paint 2.45 s needs work ↑ +930 ms (+61.1%) 1.52 s – 2.45 s
Speed Index 2.45 s good ↑ +930 ms (+61.1%) 1.52 s – 2.45 s
TTFB Time to First Byte 611 ms good ↑ +5 ms (+0.8%) 604 ms – 611 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 79 ms
time to first byte 4 ms

Page weight

Metric Value Change / range Trend
Page Weight 538 kB ↑ +2 B 538 kB – 538 kB
Requests 24 → no change 24 – 24
Third-party Weight 506 kB ↑ +1 B 506 kB – 506 kB
Third-party CPU 17 ms ↑ +3 ms (+17.6%) 9 ms – 20 ms
Unused JS 96.6 kB → no change 96.6 kB – 96.6 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
image 57.9% 311 kB 12
script 27.3% 147 kB 3
font 10.6% 57.2 kB 2
document 1.7% 8.9 kB 1
stylesheet 1.6% 8.8 kB 2
other 0.8% 4.5 kB 4
Total 538 kB 24

Third parties 4 entities

Entity Transfer Size Main thread Simulated
Sirv image 302 kB 0 ms
Amazon Web Services script 144 kB 15 ms
Google Fonts font 58.1 kB 0 ms
Plausible 3.0 kB 2 ms
Total 506 kB 17 ms

Without JavaScript

The same load, photographed twice at 412×823: once with scripts disabled, once as rendered.

Scripts disabled
As rendered

0% of pixels differ — they are identical. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.

Page health

Metric Value Change / range Trend
Main Thread Work 493 ms ↓ -32 ms (-6.1%) 294 ms – 525 ms
Long Tasks 1 ↑ +1 0 – 1
DOM Elements 277 → no change 277 – 277
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 1 → no change 1 – 1
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

Task Time Share Duration Simulated
other 38% 189 ms
style layout 31% 154 ms
script evaluation 14% 69 ms
parse HTML 7% 35 ms
paint composite render 6% 31 ms
script parse compile 3% 16 ms
Total 493 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 428 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

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 7, 2026, 5:18 PM UTC 94 2.45 s 0.001 3 ms 538 kB 3/3 ±1 2,355 -5% 23.4s Wayback
Sep 30, 2026, 3:40 PM UTC 100 1.52 s 0.001 0 ms 538 kB 3/3 ±6 2,453 -1% 25s Wayback
Sep 23, 2026, 10:51 AM UTC 89 3.32 s 0.001 5 ms 538 kB 3/3 ±2 2,477 0% 23.8s Wayback
Sep 16, 2026, 9:07 AM UTC 99 1.59 s 0.001 0 ms 538 kB 3/3 ±22 4,564 +84% 23.1s Wayback
Sep 9, 2026, 8:44 AM UTC 88 2.43 s 0.161 2 ms 538 kB 3/3 ±9 2,482 0% 25s Wayback
Sep 2, 2026, 3:18 AM UTC 95 2.43 s 0.001 0 ms 538 kB 3/3 ±6 2,609 +5% 23.6s Wayback
Sep 1, 2026, 5:47 PM UTC TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 21.7s
Sep 1, 2026, 7:28 AM UTC TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 21.5s
Aug 31, 2026, 10:47 PM UTC TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 22.5s
Aug 29, 2026, 5:57 AM UTC TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 21.7s
Aug 20, 2026, 10:52 PM UTC 99 1.55 s 0.001 2 ms 538 kB 3/3 ±24 2,656 +7% 26.5s Wayback

Embed this score

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