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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11tytips.netlify.app

https://11tytips.netlify.app/

93PERF 98A11Y 100BEST 100SEO ✗AXE –CWV

Ranks Overall #1,219 Built Awesome #835

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

93
Performance
↑ +1 (+1.1%)
98
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 1.71 s good ↓ -75 ms (-4.2%) 1.56 s – 1.81 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.161 needs work ↓ -0.002 (-1.2%) 0.161 – 0.245
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.55 s good ↓ -88 ms (-5.4%) 1.51 s – 1.73 s
Speed Index 1.55 s good ↓ -259 ms (-14.3%) significant 1.51 s – 2.15 s
TTFB Time to First Byte 630 ms good ↓ -96 ms (-13.2%) significant 605 ms – 760 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 75 ms
time to first byte 32 ms

Page weight

Metric Value Change / range Trend
Page Weight 70.4 kB ↓ -988 B (-1.4%) 70.1 kB – 71.6 kB
Requests 17 → no change 17 – 17
Third-party Weight 2.7 kB ↓ -281 B (-9.3%) significant 2.7 kB – 3.0 kB
Third-party CPU 0 ms → no change 0 ms – 0 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
font 56.4% 39.7 kB 2
script 19.4% 13.7 kB 4
document 9.8% 6.9 kB 2
other 6.4% 4.5 kB 4
stylesheet 5.5% 3.9 kB 4
image 2.4% 1.7 kB 1
Total 70.4 kB 17

Third parties 2 entities

Entity Transfer Size Main thread Simulated
Netlify image 1.7 kB 0 ms
instant.page script 1.0 kB 0 ms
Total 2.7 kB 0 ms

Page health

Metric Value Change / range Trend
Main Thread Work 353 ms ↓ -105 ms (-22.9%) 353 ms – 587 ms
Long Tasks 0 → no change 0 – 2
DOM Elements 218 → no change 218 – 218
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 61 → no change 61 – 61
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 1 → no change 1 – 1

Main thread work

Task Time Share Duration Simulated
other 44% 156 ms
style layout 28% 99 ms
script evaluation 15% 54 ms
paint composite render 6% 22 ms
parse HTML 5% 17 ms
script parse compile 1% 5 ms
Total 353 ms

Axe violations axe-core 4.13.0, full rule set

61 violating nodes across 2 rules, 242 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 60 nodes
    Offending elements (5 of 60)
    1. label[data--="header"]
      <label data--="header" data-theme="Modify site skin by clicking inside this box: ↕ for luminosity mode ↔ for hue color"><span data--="header_title">11ty Tips</span></label>
    2. section
      <section data--="section">
    3. h2[data--="comments_header"]
      <h2 data--="comments_header">
    4. label[data--="colophon"]
      <label data--="colophon"><span data--="header_netlify"><a href="https://www.netlify.com"><img src="https://www.netlify.com/img/global/badges/netlify-color-bg.svg" alt="11tyTips is deployed on Netlify…
    5. h3
      <h3><a href="https://11tytips.netlify.app/">Home</a></h3>
  • moderate landmark-one-main — Document should have one main landmark 1 node
    Offending element
    1. html
      <html lang="en" style="--c_hue_base: 0; --lum_mode: 1;">

Accessibility failures 1 of 18 audits

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

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 93 1.71 s 0.161 0 ms 70.4 kB 3/3 ±3 2,430 -2% 22.5s Wayback
Sep 25, 2026, 12:28 AM UTC 92 1.78 s 0.163 0 ms 71.4 kB 3/3 ±12 2,496 0% 21.7s Wayback
Sep 17, 2026, 11:24 PM UTC 92 1.81 s 0.161 0 ms 71.6 kB 3/3 ±12 2,394 -4% 22.9s Wayback
Sep 10, 2026, 9:26 PM UTC 87 1.66 s 0.245 0 ms 70.4 kB 3/3 ±5 2,465 -1% 21.5s Wayback
Sep 3, 2026, 7:17 PM UTC 90 1.56 s 0.190 0 ms 70.8 kB 3/3 ±8 2,434 -2% 22.5s Wayback
Aug 27, 2026, 4:08 PM UTC 90 1.66 s 0.191 0 ms 70.7 kB 3/3 ±5 2,489 0% 22s Wayback
Aug 20, 2026, 3:35 PM UTC 87 1.67 s 0.245 0 ms 70.1 kB 3/3 ±5 2,275 -9% 21.6s Wayback

Embed this score

Use this web component to show 11tytips.netlify.app'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://11tytips.netlify.app/"></speedlify2-score>