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

typst.app

https://typst.app/

90PERF 98A11Y 100BEST 100SEO ✗AXE !CWV

Ranks Overall #1,477 Astro Showcase #152

Data from Oct 2, 2026, 1:48 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

Lighthouse Scores LAB Simulated

90
Performance
no change
98
Accessibility
no change
100
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 3.59 s needs work — 3.59 s – 3.59 s 3.01 s needs work 67% 17.2% 15.8%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a — 193 ms good 75.8% 18.5% 5.7%
CLS CWV Cumulative Layout Shift 0 good — 0 – 0 0.010 good 93.5% 3.2% 3.3%
TBT Total Blocking Time 36 ms good — 36 ms – 36 ms n/a —
FCP First Contentful Paint 1.49 s good — 1.49 s – 1.49 s 2.28 s needs work 63.8% 22.7% 13.5%
Speed Index 1.88 s good — 1.88 s – 1.88 s n/a —
TTFB Time to First Byte 739 ms good — 739 ms – 739 ms 1.20 s needs work 59% 30% 11%

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 427 ms
time to first byte 205 ms

LCP LAB Simulated vs LCP FIELD

Lab 3.59 s
Field p75 3.01 s

The lab LCP is 1.19× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 3.83 MB — 3.83 MB – 3.83 MB
Requests 106 — 106 – 106
Third-party Weight 228 kB — 228 kB – 228 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
media 47.6% 1.82 MB 1
image 31% 1.19 MB 56
font 10.7% 410 kB 9
other 7.6% 289 kB 13
script 1.8% 69.8 kB 18
document 0.7% 25.8 kB 1
stylesheet 0.7% 25.2 kB 6
Total 3.83 MB 106

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Unpkg other 228 kB 0 ms
Total 228 kB 0 ms

Page health

Metric Value Change / range Trend
Main Thread Work 2.35 s — 2.35 s – 2.35 s
Long Tasks 6 — 6 – 6
DOM Elements 1,974 — 1,974 – 1,974
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 87 — 87 – 87
A11y Failures 1 — 1 – 1
A11y Failing Nodes 1 — 1 – 1

Main thread work

Task Time Share Duration Simulated
other 50% 1.19 s
style layout 21% 488 ms
script evaluation 13% 298 ms
paint composite render 9% 220 ms
parse HTML 4% 85 ms
garbage collection 3% 69 ms
script parse compile 0% 5 ms
Total 2.35 s

Axe violations axe-core 4.13.0, full rule set

87 violating nodes across 5 rules, 2173 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 83 nodes
    Offending elements (5 of 83)
    1. h1 
      <h1 data-astro-cid-extijfnf="">The <span class="blur-text eastern" data-astro-cid-illho3sv="">new foundation</span> for documents</h1>
    2. .t-med.secondary 
      <p class="t-med secondary" data-astro-cid-extijfnf="">Limitless power to write, create, and automate anything that you can fit on a page.</p>
    3. .btn-gradient 
      <a href="/play/" target="_blank" data-astro-cid-7oeikdqi="true" class="btn btn-large btn-gradient btn-inline-block" data-astro-cid-gcfcgmvj="">Try it yourself!</a>
    4. .embla 
      <div class="embla" data-astro-cid-extijfnf="">
    5. div[aria-hidden="false"] 
      <div class="document-hint-content" data-name="spec" aria-hidden="false" data-astro-cid-extijfnf=""><strong data-astro-cid-extijfnf="">Specifications</strong><p class="secondary" data-astro-cid-extijf…
  • moderate landmark-no-duplicate-contentinfo — Document should not have more than one contentinfo landmark 1 node
    Offending element
    1. blockquote > footer 
      <footer data-astro-cid-a3xplpqu="">Sarat Chandra and Karan Sharma, Software Engineers at Zerodha</footer>
  • moderate landmark-one-main — Document should have one main landmark 1 node
    Offending element
    1. html 
      <html lang="en" data-build-mode="cloud" data-api-url="https://api.typst.app" class="js" data-astro-cid-z4jru4n3="">
  • moderate landmark-unique — Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 1 node
    Offending element
    1. blockquote > footer 
      <footer data-astro-cid-a3xplpqu="">Sarat Chandra and Karan Sharma, Software Engineers at Zerodha</footer>
  • serious nested-interactive — Interactive controls must not be nested 1 node
    Offending element
    1. #rive-animation 
      <div id="rive-animation" role="img" aria-label="An animation of the Typst editor popping up, then populating the source panel with some example markup while it is previewed." data-astro-cid-zkhec6xw=…

Accessibility failures 1 of 29 audits

  • landmark-one-main — Document does not have a main landmark. 1 node

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 3.05 s 199 ms 0.010 2.31 s 1.25 s
2026-09-19 3.09 s 203 ms 0.010 2.32 s 1.28 s
2026-09-12 3.09 s 212 ms 0.010 2.29 s 1.30 s
2026-09-05 3.05 s 189 ms 0.010 2.29 s 1.31 s
2026-08-29 3.02 s 185 ms 0.010 2.30 s 1.32 s
2026-08-22 3.07 s 198 ms 0.010 2.35 s 1.32 s
2026-08-15 3.09 s 197 ms 0.010 2.38 s 1.32 s
2026-08-08 3.06 s 218 ms 0.010 2.35 s 1.30 s
2026-08-01 3.05 s 236 ms 0.010 2.32 s 1.29 s
2026-07-25 3.02 s 228 ms 0.010 2.25 s 1.26 s
2026-07-18 2.90 s 235 ms 0.010 2.15 s 1.20 s
2026-07-11 2.83 s 217 ms 0.010 2.10 s 1.17 s

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 2, 2026, 1:48 PM UTC 90 3.59 s 0 36 ms 3.83 MB 3/3 ±5 2,614 +5% 35.7s Wayback