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

docs.netlify.com

https://docs.netlify.com/

75PERF 100A11Y 73BEST 100SEO !AXE !CWV

Ranks Overall #1,102 Astro Showcase #94

Data from Oct 2, 2026, 6:53 AM 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 6.4.8 Built with Astro 6.4.8
Uses PreactPreact
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

75
Performance
no change
100
Accessibility
no change
73
Best Practices
no change
100
SEO
no change

Metrics LAB FIELD

Core Web Vitals: failing 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 2.49 s good — 2.49 s – 2.49 s 1.00 s good 94.5% 2.9% 2.7%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a — 219 ms needs work 71.6% 23.7% 4.8%
CLS CWV Cumulative Layout Shift 0.026 good — 0.026 – 0.026 0 good 90.4% 7.9% 1.7%
TBT Total Blocking Time 1.01 s poor — 1.01 s – 1.01 s n/a —
FCP First Contentful Paint 1.48 s good — 1.48 s – 1.48 s 883 ms good 91.8% 4.3% 3.9%
Speed Index 1.70 s good — 1.70 s – 1.70 s n/a —
TTFB Time to First Byte 609 ms good — 609 ms – 609 ms 363 ms good 91.8% 4.9% 3.3%

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 138 ms
time to first byte 85 ms

LCP LAB Simulated vs LCP FIELD

Lab 2.49 s
Field p75 1.00 s

The lab LCP is 2.49× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 1.62 MB — 1.62 MB – 1.62 MB
Requests 66 — 66 – 66
Third-party Weight 1.02 MB — 1.02 MB – 1.02 MB
Third-party CPU 363 ms — 363 ms – 363 ms
Unused JS 542 kB — 542 kB – 542 kB
Unused CSS 0 B — 0 B – 0 B

By resource type

Type Transfer Share Size Requests
script 72.5% 1.18 MB 30
font 11.3% 183 kB 4
other 6% 97.9 kB 20
stylesheet 5.8% 93.9 kB 7
document 4% 65.5 kB 2
image 0.4% 5.7 kB 3
Total 1.62 MB 66

Third parties 6 entities

Entity Transfer Size Main thread Simulated
Google Tag Manager script 541 kB 240 ms
Google CDN other 355 kB 98 ms
Segment script 125 kB 24 ms
Other Google APIs/SDKs 1.1 kB 1 ms
Google Analytics 705 B 0 ms
All 6 1.02 MB 363 ms

Page health

Metric Value Change / range Trend
Main Thread Work 3.19 s — 3.19 s – 3.19 s
Long Tasks 14 — 14 – 14
DOM Elements 1,068 — 1,068 – 1,068
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 2 — 2 – 2
A11y Failures 1 — 1 – 1
A11y Failing Nodes 1 — 1 – 1

Main thread work

Task Time Share Duration Simulated
script evaluation 61% 1.95 s
other 15% 468 ms
script parse compile 11% 356 ms
style layout 8% 248 ms
parse HTML 2% 69 ms
garbage collection 2% 57 ms
paint composite render 1% 42 ms
Total 3.19 s

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 1 rule, 1020 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate region — All page content should be contained by landmarks 2 nodes
    Offending elements
    1. .astro-7q3lir66
      <a href="#_top" class="astro-7q3lir66">Skip to content</a>
    2. blockquote
      <blockquote class="agent-llms-hint astro-5labekgy">For the complete Netlify documentation index, see <a href="/llms.txt" class="astro-5labekgy">llms.txt</a>. Markdown versions of any documentation pa…

Accessibility failures 1 of 28 audits

  • label-content-name-mismatch — Elements with visible text labels do not have matching accessible names. 1 node

Best Practices failures 3 of 19 audits

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

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2 1 console error

Measurement log

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-09-26 997 ms 220 ms 0 877 ms 361 ms
2026-09-19 1.00 s 223 ms 0 879 ms 360 ms
2026-09-12 1.03 s 229 ms 0 901 ms 367 ms
2026-09-05 1.04 s 228 ms 0 914 ms 370 ms
2026-08-29 1.04 s 223 ms 0 916 ms 373 ms
2026-08-22 1.05 s 220 ms 0 927 ms 380 ms
2026-08-15 1.04 s 208 ms 0 931 ms 384 ms
2026-08-08 1.05 s 203 ms 0 936 ms 391 ms
2026-08-01 1.08 s 207 ms 0 956 ms 396 ms
2026-07-25 1.10 s 211 ms 0 982 ms 415 ms
2026-07-18 1.08 s 211 ms 0 950 ms 402 ms
2026-07-11 1.09 s 217 ms 0 956 ms 403 ms

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 2, 2026, 6:53 AM UTC 75 2.49 s 0.026 1.01 s 1.62 MB 3/3 ±2 2,501 +1% 32.2s Wayback