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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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fixa11y.com

https://fixa11y.com/

94PERF 100A11Y 100BEST 100SEO ✓AXE –CWV

Ranks Overall #373 Built Awesome #289

Data from Oct 3, 2026, 5:55 PM 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

94
Performance
↓ -6 (-6%)
100
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 937 ms good ↓ -268 ms (-22.2%) 925 ms – 1.21 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.150 needs work ↑ +0.150 0 – 0.150
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 806 ms good ↓ -99 ms (-10.9%) significant 789 ms – 926 ms
Speed Index 806 ms good ↓ -99 ms (-10.9%) significant 789 ms – 926 ms
TTFB Time to First Byte 637 ms good ↑ +32 ms (+5.3%) 604 ms – 637 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 55 ms
time to first byte 35 ms

Page weight

Metric Value Change / range Trend
Page Weight 139 kB ↑ +181 B (+0.1%) 139 kB – 139 kB
Requests 10 → no change 10 – 10
Third-party Weight 0 B → no change 0 B – 0 B
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
image 84.4% 118 kB 6
document 10.4% 14.5 kB 1
other 2.6% 3.6 kB 1
stylesheet 1.9% 2.6 kB 1
script 0.7% 1.0 kB 1
Total 139 kB 10

Without JavaScript

The same load, photographed twice at 412×823: once with scripts disabled, once as rendered.

Scripts disabled
As rendered

0% of pixels differ — they are identical. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.

Page health

Metric Value Change / range Trend
Main Thread Work 228 ms ↓ -23 ms (-9.1%) 200 ms – 278 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 587 → no change 537 – 587
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 → no change 0 – 0
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

Task Time Share Duration Simulated
other 47% 106 ms
style layout 28% 64 ms
parse HTML 9% 21 ms
paint composite render 9% 20 ms
script evaluation 7% 16 ms
script parse compile 0% 1 ms
Total 228 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 264 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

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 3, 2026, 5:55 PM UTC 94 937 ms 0.150 0 ms 139 kB 3/3 ±6 2,493 0% 21.8s Wayback
Sep 26, 2026, 2:17 PM UTC 100 1.21 s 0 0 ms 139 kB 3/3 ±0 2,459 -1% 21.9s Wayback
Sep 19, 2026, 1:01 PM UTC 94 925 ms 0.150 0 ms 139 kB 3/3 ±0 2,970 +19% 20.6s Wayback
Sep 12, 2026, 11:35 AM UTC 100 1.21 s 0 0 ms 139 kB 3/3 ±6 2,499 +1% 21.7s Wayback
Sep 5, 2026, 8:11 AM UTC 94 926 ms 0.150 0 ms 139 kB 3/3 ±6 3,320 +34% 20.8s Wayback
Aug 29, 2026, 5:55 AM UTC 100 1.20 s 0 0 ms 139 kB 3/3 ±0 2,467 -1% 35.8s Wayback
Aug 20, 2026, 10:34 PM UTC 94 926 ms 0.150 0 ms 139 kB 3/3 ±6 3,353 +35% 21.4s Wayback

Embed this score

Use this web component to show fixa11y.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://fixa11y.com/"></speedlify2-score>