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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opt-out.ai

https://www.opt-out.ai/

98PERF 100A11Y 77BEST 91SEO ✓AXE –CWV

Ranks Overall #522 Built Awesome #399

Data from Oct 5, 2026, 6:02 PM UTC old Measured once a week · 7 runs since Aug 21, 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

Self-hosted · nginx Hosted by Self-hosted

Lighthouse Scores LAB Simulated

98
Performance
↑ +1 (+1%)
100
Accessibility
no change
77
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 1.01 s good ↓ -1321 ms (-56.7%) significant 1.00 s – 2.47 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.099 good ↑ +0.099 0 – 0.099
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 1.01 s good ↓ -622 ms (-38.2%) significant 1.00 s – 1.72 s
Speed Index 1.01 s good ↓ -1569 ms (-60.9%) significant 1.00 s – 2.89 s
TTFB Time to First Byte 654 ms good ↓ -48 ms (-6.8%) 603 ms – 752 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 165 ms
time to first byte 55 ms

Page weight

Metric Value Change / range Trend
Page Weight 27.7 kB ↓ -37 B (-0.1%) 27.7 kB – 28.4 kB
Requests 11 → no change 11 – 12
Third-party Weight 7.4 kB ↓ -37 B (-0.5%) 7.4 kB – 7.7 kB
Third-party CPU 3 ms ↑ +0 ms (+3%) 3 ms – 3 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
image 42.9% 11.9 kB 3
script 28.6% 7.9 kB 2
stylesheet 18.9% 5.2 kB 1
document 5.7% 1.6 kB 1
other 4% 1.1 kB 3
Total 27.7 kB 11

Third parties 2 entities

Entity Transfer Size Main thread Simulated
parity.domains script 6.3 kB 3 ms
namecheap.com other 1.0 kB 0 ms
Total 7.4 kB 3 ms

Page health

Metric Value Change / range Trend
Main Thread Work 225 ms ↑ +32 ms (+16.8%) 160 ms – 225 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 57 → no change 57 – 57
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 → no change 0 – 4
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 1 → no change 1 – 1

Main thread work

Task Time Share Duration Simulated
other 53% 119 ms
script evaluation 21% 46 ms
style layout 17% 39 ms
paint composite render 5% 10 ms
parse HTML 4% 8 ms
script parse compile 1% 2 ms
Total 225 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 107 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Accessibility failures 1 of 17 audits

  • td-has-header — `<td>` elements in a large `<table>` do not have table headers. 1 node

Best Practices failures 2 of 19 audits

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

SEO failures 1 of 8 audits

  • meta-description — Document does not have a meta description

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache http/1.1

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 5, 2026, 6:02 PM UTC 98 1.01 s 0.099 0 ms 27.7 kB 3/3 ±1 2,421 -3% 23.5s Wayback
Sep 28, 2026, 10:43 AM UTC 97 2.33 s 0 0 ms 27.7 kB 3/3 ±1 2,454 -1% 29s Wayback
Sep 21, 2026, 7:44 AM UTC 97 2.43 s 0 0 ms 27.8 kB 3/3 ±1 2,992 +20% 26.9s Wayback
Sep 14, 2026, 12:53 AM UTC 96 2.47 s 0 0 ms 27.8 kB 3/3 ±2 2,884 +16% 27.8s Wayback
Sep 6, 2026, 11:38 PM UTC 98 1.00 s 0.099 0 ms 27.7 kB 3/3 ±1 2,903 +17% 22s Wayback
Aug 30, 2026, 11:21 PM UTC 97 2.36 s 0 0 ms 28.4 kB 3/3 ±1 2,500 +1% 23.7s Wayback
Aug 21, 2026, 1:47 PM UTC 97 2.33 s 0 0 ms 27.7 kB 3/3 ±0 2,520 +1% 27s Wayback

Embed this score

Use this web component to show opt-out.ai'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://www.opt-out.ai/"></speedlify2-score>