Matrixcode Academy GmbH

What Dr Urls found on matrixcode.academy

From the audit of their public home page on 09/11/2026, worst first. Each links to what it means and how it is fixed.

• high
  Missing landmark elements

  WCAG 1.3.1 requires that page structure is programmatically determinable.

• medium
  Above-fold images not prioritized

  The Largest Contentful Paint (LCP) element is often a hero image.

• medium
  Cache-Control header missing

  Proper caching prevents browsers from re-downloading unchanged resources, dramatically improving repeat visit performance.

• medium
  Images missing width and height attributes

  Missing image dimensions are the leading cause of Cumulative Layout Shift (CLS), a Core Web Vital and ranking factor.

• medium
  Missing skip-to-content navigation link

  WCAG 2.4.1 requires a way to bypass blocks repeated on every page.

• medium
  Open Graph og:image tag missing

  Social media posts with images receive significantly more engagement than text-only posts.

• low
  Apple touch icon missing

  The apple-touch-icon provides a branded icon when users bookmark your site on iOS devices.

• low
  Images missing responsive srcset

  Without srcset, a 1200px wide image is downloaded on a 375px wide mobile screen, wasting bandwidth and slowing load times.

• low
  Images not using modern format

  WebP images are 25-35% smaller than equivalent JPEG images, and AVIF offers even greater savings.

• low
  Meta description is too long

  Truncated descriptions cut off your message to potential visitors.

• low
  Social media preview is incomplete

  Incomplete social previews reduce the visual appeal and click-through rate of shared links.

• low
  Structured data has warnings

  While the structured data will be processed without the recommended fields, including them improves the chances of earning rich results and provides richer information to search e…

And 2 more. 4 security findings are not listed on this public page; the site's owner sees them in a full audit after claiming it.