Scan report for cko.by
5 pages crawled — 2840 words, 221 images and 1203 links read straight off the pages and checked for accessibility, performance, SEO, security, forms, links and infrastructure. 42 distinct problems found, counted 125 times across the pages.
Report updated 2026-10-27
Category scores
- Overall
- 87/100
- SEO
- 65/100 · Issues: 29
- Accessibility
- 70/100 · Issues: 25
- Performance
- 93/100 · Issues: 3
- Security
- 49/100 · Issues: 35
- Privacy
- 100/100 · No issues found
- HTML validity
- 90/100 · Issues: 7
- Forms
- 90/100 · Issues: 9
- Links
- 97/100 · Issues: 5
- Console
- 100/100 · No issues found
- Infrastructure
- 100/100 · No issues found
- Mobile
- 95/100 · Issues: 7
- Images
- 97/100 · Issues: 5
Quick Wins
High-impact, low-effort fixes, ranked by what this scan actually found.
- Make og:image an absolute URL — The preview image is actually fetched when the link is shared.
- Send X-Content-Type-Options: nosniff — Browsers stop guessing content types and executing files as scripts.
- Send an X-Frame-Options header — The site cannot be framed for click-jacking.
- Send a Referrer-Policy header — Internal URLs stop leaking to third-party sites.
- Give every button an accessible name — Every control announces what it does instead of being read out as a button.
- Label every form field — Fields become usable with a screen reader and clickable by their label.
What the site checks found
- Medium — SEO — No sitemap.xml found at either the conventional paths or the one robots.txt names.
- Medium — SEO — A URL that does not exist answers with HTTP 200 — search engines index missing pages as real ones.
- 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 — Response headers publish exact software versions: server: nginx/1.30.4.
- Medium — Security — No DMARC record at _dmarc — nothing tells receiving servers what to do with mail that fails the SPF check.
- 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.
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