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SGSiteGraph

seal-one.com

Seal One AG

Last scanned Jul 26, 2026, 9:46 AM

87

Overall score

Great

Summary

This website uses jQuery. SEO is fair (55/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing meta description.

Top issues to fix

8 issues found · 1 high priority

  • Missing meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

55

SEO

7 issue(s) found

100

Performance

281 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Meta tags

Title
Seal One AG
Description
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
og:description
og:type
og:url

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
seal-one.com
Valid from
Jul 10, 2026
Valid to
Oct 8, 2026
Days until expiry
71
SAN domains
seal-one.com, seal-one.de, secqcode.com, secqtag.com, shop.seal-one.com, www.seal-one.com, www.seal-one.de, www.secqcode.com, www.secqtag.com

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 4 · H2 5 · H3 0

Links

25 internal · 5 external · 20 broken

Images

30 total · 1 missing alt

Scripts / Styles

11 scripts · 2 stylesheets

JS / CSS size

573 B · 0 B

Page size

21.8 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing meta description
  • Missing canonical link
  • Multiple H1 headings found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://seal-one.com
Final URL
https://seal-one.com/index.en
HTTP status
200
HTTP version
HTTP/2
Response time
281 ms
HTML size
21.8 KB
Redirect chain
https://seal-one.com → https://seal-one.com/index.en

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Frequently asked questions

What technology does seal-one.com use?
seal-one.com is built with jQuery.
Is seal-one.com secure (HTTPS)?
Yes. seal-one.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 8, 2026.
Who hosts seal-one.com?
Hosting provider information for seal-one.com is not available yet.
What is seal-one.com's SEO score?
seal-one.com scored 55/100 for SEO in the latest analysis (fair).
What is seal-one.com's overall website score?
seal-one.com has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.