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

fluent2.microsoft.design

https://fluent2.microsoft.design/

72PERF 99A11Y 73BEST 100SEO !AXE !CWV

Ranks Overall #1,103 Astro Showcase #95

Data from Oct 2, 2026, 6:57 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 Built with Astro
Uses ReactReact

Lighthouse Scores LAB Simulated

72
Performance
no change
99
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 5.80 s poor — 5.80 s – 5.80 s 3.03 s needs work 65% 20% 15%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a — 137 ms good 84.4% 13% 2.6%
CLS CWV Cumulative Layout Shift 0.081 good — 0.081 – 0.081 0.080 good 85.9% 9.9% 4.2%
TBT Total Blocking Time 0 ms good — 0 ms – 0 ms n/a —
FCP First Contentful Paint 2.88 s needs work — 2.88 s – 2.88 s 2.05 s needs work 69.6% 17.7% 12.7%
Speed Index 2.88 s good — 2.88 s – 2.88 s n/a —
TTFB Time to First Byte 618 ms good — 618 ms – 618 ms 1.41 s needs work 44.5% 42.3% 13.2%

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.

resource load delay 416 ms
element render delay 44 ms
time to first byte 32 ms
resource load duration 12 ms

LCP LAB Simulated vs LCP FIELD

Lab 5.80 s
Field p75 3.03 s

The lab LCP is 1.91× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 7.13 MB — 7.13 MB – 7.13 MB
Requests 111 — 111 – 111
Third-party Weight 7.00 MB — 7.00 MB – 7.00 MB
Third-party CPU 64 ms — 64 ms – 64 ms
Unused JS 22.0 kB — 22.0 kB – 22.0 kB
Unused CSS 0 B — 0 B – 0 B

By resource type

Type Transfer Share Size Requests
image 90.3% 6.43 MB 43
script 5.2% 367 kB 55
font 2.6% 184 kB 5
document 1.6% 114 kB 1
stylesheet 0.3% 22.4 kB 3
other <0.1% 120 B 2
Total 7.13 MB 111

Third parties 4 entities

Entity Transfer Size Main thread Simulated
Azure Web Services image 6.81 MB 64 ms
s-microsoft.com 184 kB 0 ms
JSDelivr CDN 3.7 kB 0 ms
azure.com 120 B 0 ms
Total 7.00 MB 64 ms

Page health

Metric Value Change / range Trend
Main Thread Work 3.04 s — 3.04 s – 3.04 s
Long Tasks 1 — 1 – 1
DOM Elements 802 — 802 – 802
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 3 — 3 – 3
A11y Failures 1 — 1 – 1
A11y Failing Nodes 2 — 2 – 2

Main thread work

Task Time Share Duration Simulated
other 38% 1.15 s
style layout 30% 920 ms
paint composite render 15% 469 ms
script evaluation 15% 459 ms
parse HTML 1% 33 ms
script parse compile 0% 11 ms
Total 3.04 s

Axe violations axe-core 4.13.0, full rule set

3 violating nodes across 2 rules, 828 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate heading-order — Heading levels should only increase by one 2 nodes
    Offending elements
    1. .updates__wrap:nth-child(1) > .title.text--title-3
      <h4 class="text--title-3 text__color--foreground-1 mt0 mb4 title">A new era of Teams</h4>
    2. .tile--padding-tight.resources__card[rel="noopener noreferrer"]:nth-child(1) > div > .text--body-2-strong
      <h4 class="text--body-2-strong text__color--foreground-1 mt0 mb4">A11y – Focus Order</h4>
  • moderate page-has-heading-one — Page should contain a level-one heading 1 node
    Offending element
    1. html
      <html lang="en" data-astro-cid-eribfrav="" data-theme="light">

Accessibility failures 1 of 32 audits

  • heading-order — Heading elements are not in a sequentially-descending order 2 nodes

Best Practices failures 3 of 19 audits

  • deprecations — Uses deprecated APIs 1 item
  • charset — Charset declaration is missing or occurs too late in the HTML
  • errors-in-console — Browser errors were logged to the console 1 item

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache http/1.1 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 3.15 s 148 ms 0.080 2.09 s 1.48 s
2026-09-19 3.29 s 181 ms 0.090 2.20 s 1.59 s
2026-09-12 3.18 s 200 ms 0.080 2.13 s 1.58 s
2026-09-05 3.21 s 208 ms 0.080 2.13 s 1.58 s
2026-08-29 3.04 s 206 ms 0.080 1.98 s 1.49 s
2026-08-22 2.71 s 160 ms 0.040 1.78 s 1.42 s
2026-08-15 2.66 s 129 ms 0.030 1.68 s 1.32 s
2026-08-08 2.60 s 126 ms 0.030 1.69 s 1.33 s
2026-08-01 2.63 s 122 ms 0.030 1.74 s 1.37 s
2026-07-25 2.62 s 119 ms 0.030 1.71 s 1.33 s
2026-07-18 2.76 s 114 ms 0.030 1.81 s 1.39 s
2026-07-11 2.88 s 118 ms 0.030 1.84 s 1.42 s

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 2, 2026, 6:57 AM UTC 72 5.80 s 0.081 0 ms 7.13 MB 3/3 ±4 2,470 -1% 30.7s Wayback