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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francisrub.io

https://francisrub.io/

40PERF 98A11Y 96BEST 100SEO ✗AXE –CWV

Ranks Overall #1,502 Built Awesome #1,111

Data from Sep 16, 2026, 2:36 PM UTC old Measured once a week · 9 runs since Aug 20, 2026

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

Moved from https://francisrubio.antaresph.dev/.

History from the previous URL is included below, with the move on Sep 9, 2026. A step-change around that point is likely the change of address rather than a regression.

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

Stack

Eleventy 3.1.2 Built with Eleventy 3.1.2
Cloudflare Hosted by Cloudflare

Lighthouse Scores LAB Simulated

40
Performance
↑ +4 (+11.1%)
98
Accessibility
no change
96
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 40.00 s poor ↑ +89 ms (+0.2%) 39.91 s – 43.94 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.034 good ↑ +0.015 (+78.9%) 0 – 0.034
TBT Total Blocking Time 2.66 s poor ↑ +1577 ms (+146%) significant 1.08 s – 2.83 s
FCP First Contentful Paint 2.49 s needs work ↓ -4384 ms (-63.7%) significant 2.49 s – 8.13 s
Speed Index 4.78 s needs work ↓ -2094 ms (-30.4%) 4.78 s – 8.13 s
TTFB Time to First Byte 487 ms good ↓ -12 ms (-2.4%) 464 ms – 595 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 258 ms
resource load duration 134 ms
time to first byte 36 ms
resource load delay 15 ms

Page weight

Metric Value Change / range Trend
Page Weight 7.63 MB ↑ +23.2 kB (+0.3%) 7.60 MB – 7.63 MB
Requests 35 → no change 35 – 36
Third-party Weight 6.19 MB ↑ +29 B 6.19 MB – 7.63 MB
Third-party CPU 6 ms ↑ +0 ms (+6.8%) 6 ms – 119 ms
Unused JS 26.0 kB ↑ +493 B (+1.9%) 25.5 kB – 26.0 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
image 73.3% 5.60 MB 10
media 12.7% 967 kB 1
font 10.5% 805 kB 3
document 1.8% 137 kB 1
script 1.4% 107 kB 5
stylesheet 0.2% 15.1 kB 6
other <0.1% 3.5 kB 5
Total 7.63 MB 35

Third parties 6 entities

Entity Transfer Size Main thread Simulated
imagekit.io image 5.42 MB 0 ms
rsms.me 742 kB 0 ms
GitHub 17.2 kB 3 ms
zgo.at 4.4 kB 4 ms
Google Fonts 817 B 0 ms
All 6 6.19 MB 6 ms

Page health

Metric Value Change / range Trend
Main Thread Work 11.59 s ↓ -538 ms (-4.4%) 10.83 s – 12.12 s
Long Tasks 12 ↑ +4 (+50%) 6 – 12
DOM Elements 611 → no change 611 – 611
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 7 → no change 7 – 7
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 1 → no change 1 – 1

Main thread work

Task Time Share Duration Simulated
other 88% 10.20 s
style layout 5% 549 ms
script evaluation 4% 494 ms
paint composite render 2% 228 ms
parse HTML 1% 58 ms
script parse compile 0% 54 ms
Total 11.59 s

Axe violations axe-core 4.13.0, full rule set

7 violating nodes across 4 rules, 702 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 3 nodes
  • moderate landmark-unique — Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 2 nodes
  • moderate landmark-one-main — Document should have one main landmark 1 node
  • moderate page-has-heading-one — Page should contain a level-one heading 1 node

Accessibility failures 1 of 28 audits

  • landmark-one-main — Document does not have a main landmark. 1 node

Best Practices failures 1 of 19 audits

  • errors-in-console — Browser errors were logged to the console 1 item

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3 1 console error

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 16, 2026, 2:36 PM UTC 40 40.00 s 0.034 2.66 s 7.63 MB 3/3 ±6 2,313 -7% 67s Wayback
Sep 9, 2026, 1:26 PM UTC 36 39.91 s 0.019 1.08 s 7.61 MB 3/3 ±14 2,227 -10% 54.6s Wayback
Sep 9, 2026, 8:41 AM UTC old URL 30 43.94 s 0 1.87 s 7.63 MB 3/3 ±6 2,454 -1% 168.8s Wayback
Sep 2, 2026, 3:17 AM UTC old URL 30 41.62 s 0.027 2.22 s 7.60 MB 3/3 ±2 2,686 +8% 47.3s Wayback
Sep 1, 2026, 5:46 PM UTC old URL TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 36.8s
Sep 1, 2026, 7:27 AM UTC old URL TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 31.2s
Aug 31, 2026, 10:45 PM UTC old URL TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 39.3s
Aug 29, 2026, 5:56 AM UTC old URL TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 37.5s
Aug 20, 2026, 10:43 PM UTC old URL 36 43.84 s 0.010 2.83 s 7.63 MB 3/3 ±8 2,712 +9% 170.7s Wayback

Embed this score

Use this web component to show francisrub.io'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://francisrub.io/"></speedlify2-score>