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

11ty.rocks

https://11ty.rocks/

98PERF 100A11Y 96BEST 100SEO !AXE –CWV

Ranks Overall #727 Built Awesome #543

Data from Oct 2, 2026, 12:33 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

Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

98
Performance
no change
100
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 1.98 s good ↑ +13 ms (+0.7%) 1.61 s – 2.13 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 1.83 s needs work ↑ +13 ms (+0.7%) 904 ms – 1.98 s
Speed Index 1.83 s good ↑ +13 ms (+0.7%) 904 ms – 1.98 s
TTFB Time to First Byte 609 ms good → no change 600 ms – 642 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 117 ms
time to first byte 10 ms

Page weight

Metric Value Change / range Trend
Page Weight 1.17 MB ↑ +7.5 kB (+0.7%) 1.15 MB – 1.17 MB
Requests 23 → no change 21 – 23
Third-party Weight 2.7 kB ↑ +2 B (+0.1%) 2.7 kB – 2.7 kB
Third-party CPU 3 ms ↓ -4 ms (-60%) significant 3 ms – 7 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
script 78.4% 918 kB 7
stylesheet 6.2% 72.5 kB 3
document 5.7% 67.3 kB 2
font 4.6% 53.7 kB 2
image 2.6% 30.2 kB 2
other 2.5% 29.7 kB 6
Total 1.17 MB 23

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Plausible scriptother 2.7 kB 3 ms
Total 2.7 kB 3 ms

Page health

Metric Value Change / range Trend
Main Thread Work 429 ms ↓ -35 ms (-7.5%) 306 ms – 464 ms
Long Tasks 1 → no change 0 – 2
DOM Elements 271 → no change 271 – 271
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 3 → no change 3 – 3
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

Task Time Share Duration Simulated
style layout 56% 239 ms
other 29% 124 ms
script evaluation 6% 26 ms
paint composite render 5% 20 ms
parse HTML 4% 18 ms
script parse compile 0% 2 ms
Total 429 ms

Axe violations axe-core 4.13.0, full rule set

3 violating nodes across 3 rules, 733 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • critical aria-allowed-attr — Elements must only use supported ARIA attributes 1 node
    Offending element
    1. iframe >>> .ytmVideoInfoVideoTitle 
      <a class="ytmVideoInfoVideoTitle" aria-level="2" href="https://www.youtube.com/watch?v=BKdQEXqfFA0"><span class="ytAttributedStringHost ytmVideoInfoLink ytAttributedStringWhiteSpaceNoWrap" style="">B…
  • serious aria-prohibited-attr — Elements must only use permitted ARIA attributes 1 node
    Offending element
    1. iframe >>> #movie_player 
      <div class="html5-video-player ytp-hide-controls ytp-exp-bottom-control-flexbox ytp-modern-caption ytp-livebadge-color unstarted-mode ytp-small-mode" tabindex="" id="movie_player" data-version="/s/pl…
  • critical button-name — Buttons must have discernible text 1 node
    Offending element
    1. iframe >>> .ytmVideoInfoChannelAvatar 
      <button class="ytmVideoInfoLink ytmVideoInfoChannelAvatar"><img class="ytCoreImageHost ytmVideoInfoChannelLogo ytCoreImageFillParentHeight ytCoreImageFillParentWidth ytCoreImageContentModeScaleAspect…

Best Practices failures 1 of 19 audits

  • inspector-issues — Issues were logged in the `Issues` panel in Chrome Devtools 1 item

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 2, 2026, 12:33 AM UTC 98 1.98 s 0 0 ms 1.17 MB 3/3 ±40 2,511 +1% 28.2s Wayback
Sep 25, 2026, 12:27 AM UTC 98 1.97 s 0 0 ms 1.16 MB 3/3 ±38 2,477 0% 31.8s Wayback
Sep 17, 2026, 11:23 PM UTC 97 2.13 s 0 0 ms 1.17 MB 3/3 ±3 3,313 +33% 27.1s Wayback
Sep 10, 2026, 9:26 PM UTC 100 1.62 s 0 0 ms 1.16 MB 3/3 ±38 3,390 +36% 27.1s Wayback
Sep 3, 2026, 7:16 PM UTC 100 1.63 s 0 0 ms 1.16 MB 3/3 ±3 2,677 +8% 29s Wayback
Aug 27, 2026, 7:03 PM UTC 100 1.61 s 0 0 ms 1.16 MB 3/3 ±40 2,499 +1% 27.4s Wayback
Aug 20, 2026, 4:11 PM UTC 98 2.01 s 0 0 ms 1.15 MB 3/3 ±40 2,625 +6% 26.9s Wayback

Embed this score

Use this web component to show 11ty.rocks'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://11ty.rocks/"></speedlify2-score>