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 and Bluesky.
Last updated ago. 1,661 measurements in the last week.

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kentaro.tools

https://kentaro.tools/

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

Ranks Overall #7 Astro Showcase #2

Data from Nov 9, 2026, 6:53 PM UTC old Measured once a month · 1 run since Nov 9, 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

Astro Built with Astro
Uses PreactPreact
Cloudflare Hosted by Cloudflare
Rendered Probably at build time Same document on 4 loads

Lighthouse Scores LAB Simulated

100
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Metrics LAB FIELD

Core Web Vitals: passing 2 of 3 assessed from real Chrome users.

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-09-27 → 2026-10-24), origin-level. From the backfilled CrUX history rather than this measurement, which predates the API key.

Metric Lab Simulated Field
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 1.23 s good — 1.23 s – 1.23 s 1.34 s good 91% 6.4% 2.5%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a — — —
CLS CWV Cumulative Layout Shift 0 good — 0 – 0 0 good 96.3% 2.5% 1.2%
TBT Total Blocking Time 0 ms good — 0 ms – 0 ms n/a —
FCP First Contentful Paint 930 ms good — 930 ms – 930 ms — —
Speed Index 930 ms good — 930 ms – 930 ms n/a —
TTFB Time to First Byte 480 ms good — 480 ms – 480 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 42 ms
time to first byte 31 ms
resource load duration 31 ms
resource load delay 10 ms

Page weight

Metric Value Change / range Trend
Page Weight 365 kB — 365 kB – 365 kB
Requests 59 — 59 – 59
Third-party Weight 0 B — 0 B – 0 B
Third-party CPU 0 ms — 0 ms – 0 ms
Unused JS 0 B — 0 B – 0 B
Unused CSS 0 B — 0 B – 0 B

By resource type

Type Transfer Share Size Requests
image 31.3% 112 kB 21
other 25.8% 92.2 kB 13
font 21% 75.0 kB 2
script 17.5% 62.5 kB 20
stylesheet 2.3% 8.2 kB 1
document 2% 7.3 kB 1
Total 365 kB 59

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 451 ms — 451 ms – 451 ms
Long Tasks 0 — 0 – 0
DOM Elements 123 — 123 – 123
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 — 0 – 0
A11y Failures 0 — 0 – 0
A11y Failing Nodes 0 — 0 – 0

Main thread work

Task Time Share Duration Simulated
other 57% 257 ms
script evaluation 27% 120 ms
style layout 6% 28 ms
parse HTML 5% 20 ms
paint composite render 4% 18 ms
script parse compile 2% 7 ms
Total 451 ms

Axe violations axe-core 4.14.0, full rule set

0 violating nodes across 0 rules, 328 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 h3

Measurement log

Field history 25 weeks

Weekly p75 from the CrUX History API, backfilled in a single request.

Week ending LCPINPCLSFCPTTFB
2026-10-31 → 2026-11-07 No data — 2 weeks under the CrUX reporting threshold
2026-10-24 1.34 s — 0 1.34 s 523 ms
2026-05-30 → 2026-10-17 No data — 21 weeks under the CrUX reporting threshold
2026-05-23 — — — 1.02 s —

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchLighthouseTook Archive
Nov 9, 2026, 6:53 PM UTC 100 1.23 s 0 0 ms 365 kB 3/3 ±0 2,456 -1% 13.6.0 24.2s Wayback