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

checkthisout.today

https://checkthisout.today/

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

Ranks Overall #716 Built Awesome #536

Data from Oct 3, 2026, 1:50 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

Eleventy Built with Eleventy
Uses Alpine.js 3.4.1Alpine.js 3.4.1
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

94
Performance
↑ +1 (+1.1%)
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 3.02 s needs work ↓ -71 ms (-2.3%) 2.65 s – 3.09 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.011 good ↑ +0.005 (+83.3%) significant 0.006 – 0.011
TBT Total Blocking Time 14 ms good ↓ -98 ms (-87.5%) significant 0 ms – 112 ms
FCP First Contentful Paint 832 ms good ↓ -101 ms (-10.8%) 831 ms – 1.98 s
Speed Index 832 ms good ↓ -101 ms (-10.8%) 831 ms – 1.98 s
TTFB Time to First Byte 622 ms good ↓ -90 ms (-12.6%) significant 604 ms – 712 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 46 ms
resource load delay 30 ms
time to first byte 21 ms

Page weight

Metric Value Change / range Trend
Page Weight 435 kB ↓ -267 B (-0.1%) 435 kB – 436 kB
Requests 24 → no change 24 – 24
Third-party Weight 78.4 kB ↓ -36 B 78.4 kB – 78.5 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
image 75.5% 329 kB 12
font 18% 78.4 kB 4
script 3.3% 14.4 kB 2
document 2.5% 10.9 kB 1
other 0.5% 2.3 kB 2
stylesheet 0.1% 529 B 1
Total 435 kB 24

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Adobe TypeKit font 78.4 kB 0 ms
Total 78.4 kB 0 ms

Page health

Metric Value Change / range Trend
Main Thread Work 379 ms ↓ -354 ms (-48.3%) significant 308 ms – 733 ms
Long Tasks 1 ↓ -2 (-66.7%) 0 – 3
DOM Elements 96 → no change 96 – 96
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 1 → no change 1 – 1
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

Task Time Share Duration Simulated
other 48% 184 ms
style layout 28% 106 ms
script evaluation 15% 55 ms
paint composite render 5% 17 ms
parse HTML 3% 12 ms
script parse compile 1% 6 ms
Total 379 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 156 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, 1:50 AM UTC 94 3.02 s 0.011 14 ms 435 kB 3/3 ±5 3,185 +28% 22.2s Wayback
Sep 25, 2026, 11:56 PM UTC 93 3.09 s 0.006 112 ms 436 kB 3/3 ±1 2,481 0% 21.6s Wayback
Sep 18, 2026, 8:33 PM UTC 93 3.05 s 0.011 3 ms 435 kB 3/3 ±3 2,705 +9% 22.3s Wayback
Sep 11, 2026, 5:39 PM UTC 96 2.70 s 0.011 0 ms 435 kB 3/3 ±1 2,493 0% 22.7s Wayback
Sep 4, 2026, 2:55 PM UTC 93 3.03 s 0.011 4 ms 435 kB 3/3 ±4 2,460 -1% 24.2s Wayback
Aug 28, 2026, 1:55 PM UTC 93 3.04 s 0.011 6 ms 435 kB 3/3 ±1 2,444 -2% 23.1s Wayback
Aug 20, 2026, 7:36 PM UTC 96 2.65 s 0.011 0 ms 435 kB 3/3 ±6 4,422 +78% 21.3s Wayback

Embed this score

Use this web component to show checkthisout.today'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://checkthisout.today/"></speedlify2-score>