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

clioandcalliope.com

https://clioandcalliope.com/

87PERF 96A11Y 96BEST 91SEO ✗AXE –CWV

Ranks Overall #1,392 Built Awesome #944

Data from Oct 3, 2026, 1:52 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

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Lighthouse Scores LAB Simulated

87
Performance
↓ -7 (-7.4%)
96
Accessibility
no change
96
Best Practices
no change
91
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 3.98 s needs work ↑ +984 ms (+32.9%) 2.96 s – 4.43 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.009 good → no change 0.009 – 0.009
TBT Total Blocking Time 72 ms good ↓ -37 ms (-33.9%) 35 ms – 126 ms
FCP First Contentful Paint 806 ms good ↑ +18 ms (+2.3%) 788 ms – 1.05 s
Speed Index 806 ms good ↑ +18 ms (+2.3%) 788 ms – 1.05 s
TTFB Time to First Byte 620 ms good ↑ +11 ms (+1.8%) 603 ms – 640 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 50 ms
resource load duration 47 ms
resource load delay 36 ms
time to first byte 21 ms

Page weight

Metric Value Change / range Trend
Page Weight 536 kB ↑ +3.2 kB (+0.6%) 525 kB – 536 kB
Requests 16 → no change 16 – 21
Third-party Weight 321 kB ↑ +3.1 kB (+1%) 310 kB – 321 kB
Third-party CPU 73 ms ↓ -17 ms (-19.1%) 56 ms – 97 ms
Unused JS 144 kB ↑ +1.4 kB (+1%) 138 kB – 144 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
script 60.4% 321 kB 3
image 24.6% 131 kB 6
font 12.8% 68.0 kB 4
document 1.5% 8.0 kB 1
stylesheet 0.7% 3.7 kB 1
Total 536 kB 16

Third parties 2 entities

Entity Transfer Size Main thread Simulated
Google Tag Manager script 300 kB 63 ms
Google Analytics 20.9 kB 10 ms
Total 321 kB 73 ms

Page health

Metric Value Change / range Trend
Main Thread Work 571 ms ↓ -225 ms (-28.3%) 451 ms – 814 ms
Long Tasks 2 ↓ -1 (-33.3%) significant 1 – 3
DOM Elements 164 → no change 164 – 164
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 18 → no change 18 – 18
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 17 → no change 17 – 17

Main thread work

Task Time Share Duration Simulated
script evaluation 47% 267 ms
other 22% 125 ms
script parse compile 13% 76 ms
style layout 12% 70 ms
paint composite render 2% 12 ms
garbage collection 2% 12 ms
parse HTML 2% 9 ms
Total 571 ms

Axe violations axe-core 4.13.0, full rule set

18 violating nodes across 2 rules, 355 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 17 nodes
    Offending elements (5 of 17)
    1. .service:nth-child(2) > aside > ul > li:nth-child(1) 
      <li>Interactive mockups</li>
    2. .service:nth-child(2) > aside > ul > li:nth-child(2) 
      <li>Rapid prototyping</li>
    3. .service:nth-child(2) > aside > ul > li:nth-child(3) 
      <li>Strategy</li>
    4. .service:nth-child(2) > aside > ul > li:nth-child(4) 
      <li>Design thinking</li>
    5. p:nth-child(4) > a 
      <a href="https://developers.google.com/web/fundamentals/performance/why-performance-matters/">Speed matters</a>
  • moderate landmark-unique — Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 1 node
    Offending element
    1. header > nav 
      <nav role="navigation">

Accessibility failures 1 of 23 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 17 nodes

Best Practices failures 1 of 19 audits

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

SEO failures 1 of 8 audits

  • crawlable-anchors — Links are not crawlable 4 items

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2 1 console error

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 3, 2026, 1:52 AM UTC 87 3.98 s 0.009 72 ms 536 kB 3/3 ±5 3,112 +25% 22.2s Wayback
Sep 25, 2026, 11:59 PM UTC 94 2.99 s 0.009 109 ms 533 kB 3/3 ±18 2,488 0% 23s Wayback
Sep 18, 2026, 8:36 PM UTC 87 3.96 s 0.009 77 ms 532 kB 3/3 ±3 2,704 +9% 23.2s Wayback
Sep 11, 2026, 5:42 PM UTC 87 4.01 s 0.009 93 ms 531 kB 3/3 ±9 2,415 -3% 24.4s Wayback
Sep 4, 2026, 2:58 PM UTC 93 2.98 s 0.009 126 ms 530 kB 3/3 ±22 2,495 0% 24.6s Wayback
Aug 28, 2026, 1:58 PM UTC 94 2.96 s 0.009 88 ms 527 kB 3/3 ±26 2,486 0% 24.4s Wayback
Aug 20, 2026, 7:38 PM UTC 85 4.43 s 0.009 35 ms 525 kB 3/3 ±11 4,170 +68% 22.8s Wayback

Embed this score

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