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SGSiteGraph

karlsruhe.de

Karlsruhe: Startseite

Last scanned Jul 26, 2026, 5:47 AM

84

Overall score

Great

Summary

This website uses Apache hosted on BELWUE - Universitaet Stuttgart, DE. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance fair (55/100). Top issue: Missing meta description.

Germany
Hosted on BELWUE - Universitaet Stuttgart, DE

Top issues to fix

4 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.

  • 1 cookie without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

  • robots.txt not found

    SEO

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

  • 1 broken link on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

85

SEO

2 issue(s) found

55

Performance

609 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.

FacebookYouTubeInstagramFacebook

Meta tags

Title
Karlsruhe: Startseite
Description
Canonical
https://www.karlsruhe.de/
Language
de-DE
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
index,follow
Manifest
https://www.karlsruhe.de/typo3conf/ext/karlsruhe/Resources/Public/Icons/site.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
—
og:type
—
og:url
https://www.karlsruhe.de/

Twitter Card

twitter:card
summary
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Apache

Hosting & CDN

CDN provider
—
IP address
193.197.165.152
ASN
AS553 (BELWUE - Universitaet Stuttgart, DE)

DNS records

TypeValue
A
  • 193.197.165.152
AAAA—
MX—
TXT—
NS—
CAA—
CNAME
  • pweb.karlsruhe.de
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
GlobalSign nv-sa
Subject
*.karlsruhe.de
Valid from
Mar 26, 2026
Valid to
Oct 11, 2026
Days until expiry
74
SAN domains
*.karlsruhe.de, karlsruhe.de

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 8 · H3 96

Links

362 internal · 46 external · 1 broken

Images

119 total · 2 missing alt

Scripts / Styles

14 scripts · 5 stylesheets

JS / CSS size

1.1 MB · 877 KB

Page size

656 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Missing meta description
  • robots.txt not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://karlsruhe.de
Final URL
https://www.karlsruhe.de/
HTTP status
200
HTTP version
HTTP/1.1
Response time
596 ms
HTML size
656 KB
Redirect chain
https://karlsruhe.de → https://www.karlsruhe.de/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does karlsruhe.de use?
karlsruhe.de is built with Apache.
Is karlsruhe.de secure (HTTPS)?
Yes. karlsruhe.de uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Oct 11, 2026.
Who hosts karlsruhe.de?
karlsruhe.de is hosted on BELWUE - Universitaet Stuttgart, DE.
What is karlsruhe.de's SEO score?
karlsruhe.de scored 85/100 for SEO in the latest analysis (great).
What is karlsruhe.de's overall website score?
karlsruhe.de has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.