Audit Result

UUID: 01a096b5-2f4c-7326-947d-cdcffc000c9c

sellium.site

https://sellium.site/

Scanned 1 month ago

81
Fair Score
39 total checks
Passed
27
Warnings
9
Errors
3

Meta Information

  • Title Tag Pass

    Found 47 characters. Length is optimal.

  • Found 154 characters. Good snippet length.

  • Canonical found: https://sellium.site

  • Favicon Pass

    Favicon found and reachable: /images/Selliumpfp.png (HTTP 200).

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

  • HTML Lang Pass

    Language declared as "en".

Content Structure

  • H1 Tag Pass

    Exactly one H1 found: "Sell digital products without giving up control.".

  • Valid heading flow across 27 headings.

  • 2 of 19 images are missing alt text.

    Fix: Add meaningful alt attributes to all informative images for accessibility and image SEO.

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.

  • Core security headers were detected.

    Full HTTP headers (25)
    • • alt-svc: h3=":443"; ma=86400
    • • cache-control: no-store, max-age=0, must-revalidate
    • • cf-cache-status: DYNAMIC
    • • cf-ray: a3a0b2d83ea980b1-IAD
    • • content-encoding: zstd
    • • content-security-policy: default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://js.stripe.com https://*.stripe.com https://cdn.jsdelivr.net https://challenges.cloudflare.com https://*.squarecdn.com https://*.squareup.com https://*.squareupsandbox.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://*.squarecdn.com https://*.squareup.com https://*.squareupsandbox.com; font-src 'self' data: https://js.stripe.com https://fonts.gstatic.com https://cdn.jsdelivr.net https://*.squarecdn.com https://*.squareup.com https://*.squareupsandbox.com https://*.cloudfront.net; img-src 'self' data: https: blob:; connect-src 'self' https://api.stripe.com https://cdn.jsdelivr.net https://*.squareup.com https://*.squareupsandbox.com https://mempool.space https://litecoinspace.org; frame-src 'self' https://js.stripe.com https://*.stripe.com https://challenges.cloudflare.com https://*.squarecdn.com https://*.squareup.com https://*.squareupsandbox.com; worker-src 'self' blob:; base-uri 'self'; object-src 'none';
    • • content-type: text/html; charset=utf-8
    • • date: Sat, 12 Sep 2026 17:40:40 GMT
    • • expires: 0
    • • nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
    • • permissions-policy: camera=(), microphone=(), geolocation=(self), payment=(self)
    • • pragma: no-cache
    • • referrer-policy: strict-origin-when-cross-origin
    • • report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=%2BIX%2BXmyDbF8FFx6GcyJhS1x105B5mKRMg061qFsW0doqVdvttfSduimEyD2eJcZ9mN3ZtC9R0wc7zVBfgM7kD5JRzSsGgErzLsQ1XGw2LGPf7Nw5SWLaxOrd%2Beh3AlyYIfPOQzkOkkgcyiU%3D"}]}
    • • server: cloudflare
    • • server-timing: cfCacheStatus;desc="DYNAMIC" cfEdge;dur=12,cfOrigin;dur=406
    • • 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 1
    • • x-nextjs-stale-time: 300
    • • x-xss-protection: 1; mode=block
  • CSP Quality Error

    3 CSP hardening issues detected.

    • • script-src/default-src permits 'unsafe-inline'.
    • • script-src/default-src permits 'unsafe-eval'.
    • • CSP is missing frame-ancestors protection.
    • • Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://js.stripe.com https://*.stripe.com https://cdn.jsdelivr.net https://challenges.cloudflare.com https://*.squarecdn.com https://*.squareup.com https://*.squareupsandbox.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://*.squarecdn.com https://*.squareup.com https://*.squareupsandbox.com; font-src 'self' data: https://js.stripe.com https://fonts.gstatic.com https://cdn.jsdelivr.net https://*.squarecdn.com https://*.squareup.com https://*.squareupsandbox.com https://*.cloudfront.net; img-src 'self' data: https: blob:; connect-src 'self' https://api.stripe.com https://cdn.jsdelivr.net https://*.squareup.com https://*.squareupsandbox.com https://mempool.space https://litecoinspace.org; frame-src 'self' https://js.stripe.com https://*.stripe.com https://challenges.cloudflare.com https://*.squarecdn.com https://*.squareup.com https://*.squareupsandbox.com; worker-src 'self' blob:; base-uri 'self'; object-src 'none';

    Fix: Tighten Content-Security-Policy by removing unsafe directives and adding object-src, base-uri, and frame-ancestors restrictions.

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

  • Server response headers do not expose version tokens.

  • Domain appears to be behind Cloudflare.

    • • server: cloudflare
    • • cf-cache-status: DYNAMIC
    • • cf-ray: a3a0b2d83ea980b1-IAD
  • Loaded in 1.14s (perceived).

  • 2 scripts and 3 styles may block rendering.

    • • script: https://sellium.site/_next/static/chunks/03~yq9q893hmn.js
    • • script: https://sellium.site/_next/static/chunks/0h9j-qo~1y3ey.js
    • • style: https://sellium.site/_next/static/chunks/0694bwl67w~p-.css
    • • style: https://sellium.site/_next/static/chunks/0nzvyg08p2ww9.css
    • • style: https://sellium.site/_next/static/chunks/132orfztjen2w.css

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

  • Text-like assets appear compressed.

  • Robots.txt Pass

    Found robots.txt (200).

  • Sitemap File Warning

    Sitemap missing or inaccessible at https://sellium.site/sitemap.xml (404).

    Fix: Publish a sitemap.xml and reference it in robots.txt with: Sitemap: https://sellium.site/sitemap.xml

  • No robots meta tag defined.

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

Accessibility Basics

  • All 0 controls are labeled.

  • Landmarks Pass

    Header, nav, main, and footer landmarks are present.

  • Tap Target Size Warning

    20 interactive elements appear smaller than 48px.

    • • a.flex.items-center (Sellium) - 74x22px
    • • a.sd-row.flex (Features) - 75x30px
    • • a.sd-row.flex (Pricing) - 63x30px
    • • a.sd-row.flex (FAQ) - 45x30px
    • • a.sd-row.flex (Docs) - 52x30px
    • • button.sd-seg-item.flex (Light) - 30x24px
    • • button.sd-seg-item.flex (Dark) - 30x24px
    • • button.sd-seg-item.flex (System) - 30x24px
    • • a.sd-ctl.sd-pill (Sign in) - 63x28px
    • • a.sd-ctl.sd-btn-primary (Start free) - 100x28px
    • • a.sd-ctl.sd-btn-secondary (Build your storefront) - 170x28px
    • • button.sd-seg-item.relative (Velor) - 50x28px
    • • button.sd-seg-item.relative (Ecommerce) - 91x28px
    • • button.sd-seg-item.relative (Redline) - 65x28px
    • • button.sd-seg-item.relative (Phantom) - 72x28px
    • • button.sd-seg-item.flex (Key) - 43x28px
    • • button.sd-seg-item.flex (File) - 41x28px
    • • button.sd-seg-item.flex (Link) - 44x28px
    • • button.sd-seg-item.flex (7d) - 31x24px
    • • button.sd-seg-item.flex (30d) - 40x24px

    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.

  • Structured Data Warning

    No JSON-LD schema scripts found.

    Fix: Add JSON-LD structured data matching your page type (Organization, Article, Product, etc.).

  • 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.

  • 2 social preview quality issues detected.

    • • ISSUE: Preview image is below recommended size (1200x630).
    • • ISSUE: Preview image aspect ratio (1.00) differs from the recommended ~1.91:1.
    • • 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: 0.04 MB
    • • MEASURED: Image dimensions: 500x500

    Fix: Use absolute OG/Twitter URLs, keep metadata lengths in recommended ranges, and provide a preview image near 1200x630 under 5MB.

Links Analysis

  • Checked 14 links. No broken internal links found.

  • No broken external links found in checked URLs.

  • All 30 links use non-empty href values.

Performance & Runtime

  • Largest Contentful Paint: 1.14s.

  • Cumulative Layout Shift: 0.000.

  • Total Blocking Time estimate: 32ms.

  • 1 asset requests failed.

    • • https://static.cloudflareinsights.com/beacon.min.js/v31edd6df95cf4e85bb4c19e7a9bdbcba1788362987495 (csp)

    Fix: Fix missing files, update asset URLs, and ensure static assets return HTTP 200.

  • 3 JavaScript runtime issues detected.

    • • Request failed: https://static.cloudflareinsights.com/beacon.min.js/v31edd6df95cf4e85bb4c19e7a9bdbcba1788362987495 (csp, type: script)
    • • Request failed: https://sellium.site/auth/login?_rsc=5CB68i4pnAekjehf (net::ERR_ABORTED, type: fetch)
    • • Loading the script 'https://static.cloudflareinsights.com/beacon.min.js/v31edd6df95cf4e85bb4c19e7a9bdbcba1788362987495' violates the following Content Security Policy directive: "script-src 'self' 'unsafe-inline' 'unsafe-eval' https://js.stripe.com https://*.stripe.com https://cdn.jsdelivr.net https://challenges.cloudflare.com https://*.squarecdn.com https://*.squareup.com https://*.squareupsandbox.com". Note that 'script-src-elem' was not explicitly set, so 'script-src' is used as a fallback. The action has been blocked. [https://sellium.site/:1]

    Fix: Fix JS files returning 404/failed requests and resolve the listed runtime exceptions.