Scan report for 4dsys.com
2 pages crawled — 1221 words, 46 images and 93 links read straight off the pages and checked for accessibility, performance, SEO, security, forms, links and infrastructure. 46 distinct problems found, counted 73 times across the pages.
Report updated 2026-10-26
Category scores
- Overall
- 82/100
- SEO
- 61/100 · Issues: 12
- Accessibility
- 58/100 · Issues: 13
- Performance
- 76/100 · Issues: 14
- Security
- 40/100 · Issues: 19
- Privacy
- 91/100 · Issues: 1
- HTML validity
- 94/100 · Issues: 4
- Forms
- 97/100 · Issues: 2
- Links
- 97/100 · Issues: 2
- Console
- 91/100 · Issues: 2
- Infrastructure
- 91/100 · Issues: 1
- Mobile
- 96/100 · Issues: 1
- Images
- 91/100 · Issues: 2
Quick Wins
High-impact, low-effort fixes, ranked by what this scan actually found.
- Add an H1 heading — Both readers and crawlers get a clear statement of what the page is about.
- Send a Strict-Transport-Security header — Browsers refuse to fall back to plain HTTP for this domain.
- Load the first image eagerly — The largest image starts downloading with the page instead of after it.
- Write meta descriptions for the pages without one — Google stops inventing snippets and shows the copy you wrote.
- Update the copyright year — The footer stops telling everyone the site was abandoned.
- Give every button an accessible name — Every control announces what it does instead of being read out as a button.
What the site checks found
- Low — SEO — robots.txt has no Sitemap: line — crawlers have to guess where the sitemap is.
- Medium — SEO — No sitemap.xml found at either the conventional paths or the one robots.txt names.
- Low — Performance — The HTML is sent with no Cache-Control, Expires, ETag or Last-Modified — every visit re-downloads it in full.
- Low — Performance — The HTML is compressed with gzip but not with Brotli, which every current browser accepts and which is typically 15–20% smaller.
- Low — Security — No /.well-known/security.txt — anyone who finds a vulnerability has to guess where to report it.
- Low — Security — No CAA record — any certificate authority may issue a certificate for this domain.
- Low — Security — The zone is not signed with DNSSEC, so a forged DNS answer cannot be detected.
- Medium — Infrastructure — The domain registration expires in 18 days.
- Medium — Privacy — None of the scanned pages links a privacy policy (missing: privacy, terms, imprint).
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