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

manz.dev

https://manz.dev/

92PERF 100A11Y 96BEST 100SEO !AXE ✓CWV

Ranks Overall #815 Astro Showcase #46

Data from Oct 2, 2026, 1:39 PM UTC old Measured once a month · 1 run since Oct 2, 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
Self-hosted · nginx Hosted by Self-hosted

Lighthouse Scores LAB Simulated

92
Performance
no change
100
Accessibility
no change
96
Best Practices
no change
100
SEO
no change

Metrics LAB FIELD

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

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-09-02 → 2026-09-29), url-level.

Metric Lab Simulated Field
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 3.29 s needs work — 3.29 s – 3.29 s 1.82 s good 88.1% 6.3% 5.6%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a — 161 ms good 82.4% 17.6% 0%
CLS CWV Cumulative Layout Shift 0 good — 0 – 0 0 good 93.7% 3.5% 2.8%
TBT Total Blocking Time 0 ms good — 0 ms – 0 ms n/a —
FCP First Contentful Paint 1.19 s good — 1.19 s – 1.19 s 1.82 s needs work 73.6% 15.7% 10.7%
Speed Index 2.69 s good — 2.69 s – 2.69 s n/a —
TTFB Time to First Byte 738 ms good — 738 ms – 738 ms 1.01 s needs work 61.9% 31.8% 6.3%

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 1.16 s
time to first byte 274 ms

LCP LAB Simulated vs LCP FIELD

Lab 3.29 s
Field p75 1.82 s

The lab LCP is 1.81× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 350 kB — 350 kB – 350 kB
Requests 21 — 21 – 21
Third-party Weight 2.8 kB — 2.8 kB – 2.8 kB
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
font 30.5% 107 kB 2
media 26.6% 93.1 kB 3
image 19.2% 67.4 kB 4
document 8.3% 28.9 kB 1
other 8.2% 28.7 kB 6
script 4.9% 17.1 kB 4
stylesheet 2.3% 8.1 kB 1
Total 350 kB 21

Third parties 1 entities

Entity Transfer Size Main thread Simulated
jtvnw.net other 2.8 kB 0 ms
Total 2.8 kB 0 ms

Page health

Metric Value Change / range Trend
Main Thread Work 334 ms — 334 ms – 334 ms
Long Tasks 0 — 0 – 0
DOM Elements 218 — 218 – 218
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 1 — 1 – 1
A11y Failures 0 — 0 – 0
A11y Failing Nodes 0 — 0 – 0

Main thread work

Task Time Share Duration Simulated
other 57% 190 ms
script evaluation 25% 84 ms
style layout 11% 37 ms
parse HTML 4% 13 ms
paint composite render 2% 8 ms
script parse compile 1% 2 ms
Total 334 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 142 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Best Practices failures 1 of 18 audits

  • image-size-responsive — Serves images with low resolution 1 item

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-09-26 1.81 s 164 ms 0 1.82 s 1.06 s
2026-09-19 1.62 s 160 ms 0 1.57 s 945 ms
2026-09-12 1.61 s 168 ms 0 1.55 s 998 ms
2026-09-05 1.43 s 168 ms 0 1.37 s 894 ms
2026-08-29 1.33 s 169 ms 0 1.34 s 832 ms
2026-08-22 1.37 s 169 ms 0 1.42 s 910 ms
2026-08-15 1.47 s 144 ms 0 1.38 s 832 ms
2026-08-08 1.62 s 129 ms 0 1.46 s 900 ms
2026-08-01 2.03 s 124 ms 0 1.59 s 964 ms
2026-07-25 2.44 s 111 ms 0 1.56 s 941 ms
2026-07-18 3.04 s — 0 1.66 s 987 ms
2026-07-11 2.77 s — 0 1.62 s 970 ms

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 2, 2026, 1:39 PM UTC 92 3.29 s 0 0 ms 350 kB 3/3 ±11 2,896 +17% 24.9s Wayback