Audit Result

Found 16 characters. Keep title between 30 and 60 characters.

Fix: Add a unique <title> tag describing the main page intent in 30-60 characters.

Found 131 characters. Good snippet length.

Canonical found: https://www.marekstejskal.cz/

Favicon found and reachable: https://www.marekstejskal.cz/storage/2018/02/cropped-marekstejskal420x140-32x32.png (HTTP 200).

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

Language declared as "cs".

Exactly one H1 found: "Internet a technologie od někoho, koho znáte.".

Detected 1 heading level jumps.

• • Skipped from h2 to h4: "Nevíte, který tarif je ten váš?" -> "Rychlé odkazy".

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

All 51 images include alt text.

Page is served over HTTPS.

2 HTTPS hardening issues detected.

• • Missing Strict-Transport-Security header.
• • Could not probe the HTTP version of this page.

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

Missing: strict-transport-security, content-security-policy, x-frame-options, x-content-type-options, referrer-policy.

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

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 1.10s (perceived).

2 scripts and 24 styles may block rendering.

• • script: https://www.marekstejskal.cz/lib/js/jquery/jquery.min.js?rnd=89735
• • script: https://www.marekstejskal.cz/lib/js/jquery/jquery-migrate.min.js?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/plugins/content-views-query-and-display-post-page/public/assets/css/cv.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/lib/css/dashicons.min.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/plugins/post-views-counter/css/frontend.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/bootstrap.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/icofont.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/slick.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/font-awesome.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/flaticon_monic-flat.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/animate.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/jquery-ui.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/views/b632f02d9f/admin/assets/css/preloader.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/custom-animate.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/magnific-popup.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/odometer-theme-default.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/views/37721ba29d/design.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/style.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/global.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/custom.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/assets/css/responsive.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic/style.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic-child/assets/css/ms-fonts.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic-child/assets/css/ms-front.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic-child/assets/css/ms-pages.css?rnd=89735
• • style: https://www.marekstejskal.cz/core/cache/min/1/core/themes/monic-child/assets/css/ms-consent.css?rnd=89735

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

1 text resources look uncompressed.

• • https://www.marekstejskal.cz/core/views/b632f02d9f/admin/assets/css/preloader.css?rnd=89735 (text/css; charset=utf-8)

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

Found robots.txt (200).

Found sitemap (200) at https://www.marekstejskal.cz/sitemap.xml.

Robots meta found: index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1

All 4 controls are labeled.

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

23 interactive elements appear smaller than 48px.

• • a.skip-link.screen-reader-text (Přejít k obsahu) - 1x1px
• • a ([email protected]) - 140x21px
• • a (Facebook) - 15x21px
• • a (Instagram) - 15x21px
• • a (LinkedIn) - 15x21px
• • a (Domů) - 48x36px
• • a (Internet) - 83x36px
• • a (Televize) - 81x36px
• • a (Kamery) - 78x36px
• • a (Zabezpečení) - 119x36px
• • a (IT & Web) - 90x36px
• • a (O nás) - 62x36px
• • a (Kontakt) - 80x36px
• • button (Snímek 1) - 64x4px
• • button (Snímek 2) - 34x4px
• • button (Snímek 3) - 34x4px
• • a (Facebook) - 40x40px
• • a (Instagram) - 40x40px
• • a (LinkedIn) - 40x40px
• • a (Objednání služeb) - 148x25px
• • a (Internetové připojení) - 175x25px
• • a (Provozovna Sadská) - 163x25px
• • a (Návody) - 77x25px

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

Core Open Graph tags are present.

og:image is present and absolute.

twitter:card set to summary_large_image.

JSON-LD schema detected.

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 (1.50) 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: 0.26 MB
• • MEASURED: Image dimensions: 1024x683

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

Checked 51 links. No broken internal links found.

1 external links returned errors or timed out.

• • https://cz.linkedin.com/in/marekstejskal (HTTP 999)

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

All 117 links use non-empty href values.

Largest Contentful Paint: 1.30s.

Cumulative Layout Shift: 0.000.

Total Blocking Time estimate: 30ms.

No failed CSS/JS/image/font/media requests detected.

No console/page runtime errors detected during audit.