Audit Result

UUID: 01a09a13-33ff-72a1-bcd7-5bd0a6a408e3

asyncmove.com

https://asyncmove.com/

Scanned 1 month ago

78
Fair Score
39 total checks
Passed
23
Warnings
15
Errors
1

Meta Information

  • Title Tag Pass

    Found 40 characters. Length is optimal.

  • Found 209 characters. Keep description around 70-160 characters.

    Fix: Add <meta name="description" content="..."> in <head> with a clear page summary.

  • Canonical found: https://asyncmove.com

  • Favicon Warning

    No favicon link found in <head>.

    Fix: Add <link rel="icon" href="/favicon.ico"> to ensure browser tab and bookmark visibility.

  • Viewport configured: width=device-width, initial-scale=1

  • HTML Lang Pass

    Language declared as "en".

Content Structure

  • H1 Tag Pass

    Exactly one H1 found: "Hi, I’m Jim ChngI build reliable softwarefor finance & the open web.".

  • Detected 1 heading level jumps.

    • • Skipped from h2 to h5: "Let’s build something rigorous together." -> "Work".

    Fix: Follow semantic order (h1 -> h2 -> h3) and avoid skipping heading levels.

  • All 6 images include alt text.

Technical Optimization

  • HTTPS Pass

    Page is served over HTTPS.

  • 1 HTTPS hardening issues detected.

    • • Could not probe the HTTP version of this page.
    • • Strict-Transport-Security: max-age=63072000; includeSubDomains; preload

    Fix: Set Strict-Transport-Security with a long max-age, add includeSubDomains, and redirect all HTTP requests to HTTPS.

  • Missing: content-security-policy.

    Full HTTP headers (15)
    • • alt-svc: h3=":443"; ma=2592000
    • • cache-control: s-maxage=31536000,
    • • content-encoding: gzip
    • • content-type: text/html; charset=utf-8
    • • date: Sun, 13 Sep 2026 09:22:17 GMT
    • • etag: "85i6i4ioqq51ag"
    • • referrer-policy: strict-origin-when-cross-origin
    • • strict-transport-security: max-age=63072000; includeSubDomains; preload
    • • vary: RSC, Next-Router-State-Tree, Next-Router-Prefetch, Next-Router-Segment-Prefetch, Accept-Encoding
    • • via: 1.1 Caddy
    • • x-content-type-options: nosniff
    • • x-frame-options: SAMEORIGIN
    • • x-nextjs-cache: HIT
    • • x-nextjs-prerender: 1
    • • x-nextjs-stale-time: 4294967294

    Fix: Add the missing security headers at your reverse proxy or application layer.

  • CSP Quality Warning

    Content-Security-Policy header is missing.

    • • Missing Content-Security-Policy header.

    Fix: Define a restrictive Content-Security-Policy and avoid unsafe directives such as unsafe-inline and unsafe-eval.

  • No first-party cookies were set during the initial page load.

  • Server response headers do not expose version tokens.

  • Domain does not appear to be behind Cloudflare.

  • Loaded in 1.05s (perceived).

  • 1 scripts and 1 styles may block rendering.

    • • script: https://asyncmove.com/_next/static/chunks/polyfills-42372ed130431b0a.js
    • • style: https://asyncmove.com/_next/static/css/82a3be8822151fe4.css

    Fix: Defer non-critical scripts and inline critical CSS to improve first paint speed.

  • Compression Warning

    1 text resources look uncompressed.

    • • https://asyncmove.com/_next/static/chunks/main-app-a7031ed1fe6ebaad.js (application/javascript; charset=UTF-8)

    Fix: Enable Brotli or Gzip compression for HTML, CSS, JS, and JSON responses.

  • Robots.txt Pass

    Found robots.txt (200).

  • Found sitemap (200) at https://asyncmove.com/sitemap.xml.

  • No robots meta tag defined.

    Fix: Add <meta name="robots" content="index,follow"> (or the intended directive) in <head>.

Accessibility Basics

  • Form Labels Error

    1 of 5 controls are missing labels.

    • • input[type="text"].hidden (botcheck)

    Fix: Associate each form control with a visible label, aria-label, or aria-labelledby.

  • Landmarks Warning

    Missing landmarks: header.

    Fix: Use semantic regions (<header>, <nav>, <main>, <footer>) for navigation and assistive tech.

  • Tap Target Size Warning

    18 interactive elements appear smaller than 48px.

    • • a.flex.items-center (GitHub) - 57x16px
    • • a.flex.items-center (Guides) - 58x16px
    • • a.flex.items-center (GitHub) - 57x16px
    • • a.flex.items-center (Docs) - 47x16px
    • • a.flex.items-center (README) - 71x16px
    • • a.flex.items-center (Lauren site) - 79x16px
    • • a.flex.items-center (GitHub) - 57x16px
    • • a.flex.items-center (Docs) - 47x16px
    • • a.flex.items-center (PyPI) - 45x16px
    • • button.rounded-md.border (Previous) - 88x38px
    • • button.grid.size-10 (1) - 40x40px
    • • button.grid.size-10 (2) - 40x40px
    • • button.grid.size-10 (3) - 40x40px
    • • button.grid.size-10 (4) - 40x40px
    • • button.rounded-md.border (Next) - 63x38px
    • • a.group.inline-flex (All writing) - 86x22px
    • • button.rounded-md.border (Previous) - 88x38px
    • • button.grid.size-10 (1) - 40x40px

    Fix: Increase target size to at least 48x48 CSS pixels for touch interactions.

Social & Rich Results

  • Core Open Graph tags are present.

  • og:image is present and absolute.

    Open Graph Image
  • twitter:card set to summary_large_image.

  • JSON-LD schema detected.

  • PWA Metadata Warning

    Manifest or Apple touch icon is missing.

    Fix: Link your web app manifest and apple-touch-icon for improved install/share experiences.

  • Social preview metadata and image quality look good for Open Graph/Twitter.

    • • GUIDELINE: Optimal og:title length: 40-60 characters (acceptable: 10-70).
    • • GUIDELINE: Optimal og:description length: 110-160 characters (acceptable: 50-200).
    • • GUIDELINE: Optimal preview image size: 1200x630 pixels.
    • • GUIDELINE: Optimal preview image aspect ratio: 1.91:1.
    • • GUIDELINE: Optimal preview image file size: under 5 MB.
    • • GUIDELINE: Recommended twitter:card: summary_large_image.
    • • MEASURED: Image size: 0.17 MB
    • • MEASURED: Image dimensions: 1200x630

Links Analysis

  • Checked 25 links. No broken internal links found.

  • External Links Warning

    5 external links returned errors or timed out.

    • • https://www.linkedin.com/in/soon-siang-chng/ (HTTP 999)
    • • https://crates.io/users/jymchng (HTTP 404)
    • • https://chatgpt.com/?prompt=Summarise%20this%20page%3A%20https%3A%2F%2Fasyncmove.com%2F (HTTP 403)
    • • https://claude.ai/new?q=Summarise%20this%20page%3A%20https%3A%2F%2Fasyncmove.com%2F (HTTP 403)
    • • https://www.perplexity.ai/search?q=Summarise%20this%20page%3A%20https%3A%2F%2Fasyncmove.com%2F (HTTP 403)

    Fix: Replace dead external URLs or point to working alternatives.

  • Link Format Warning

    2 links are empty, invalid, or placeholder-only.

    • • href="#" text="Talks"
    • • href="#" text="Colophon"

    Fix: Replace empty/#/javascript href values with real destinations or use buttons for non-navigation actions.

Performance & Runtime