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duf.de

heise regioconcept: Regionales Marketing, das wirkt!

Last scanned Aug 24, 2026, 1:22 PM

91

Overall score

Excellent

Summary

Lokales Marketing für kleine und mittlere Unternehmen ✔ Homepages ✔ Firmen-Apps ✔ Suchmaschinenmarketing ✔ Werbung in den Verzeichnismedien. This website uses WordPress. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (80/100). Top issue: sitemap.xml not found.

Lokales Marketing für kleine und mittlere Unternehmen ✔ Homepages ✔ Firmen-Apps ✔ Suchmaschinenmarketing ✔ Werbung in den Verzeichnismedien

Top issues to fix

3 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 1 broken link on the page

    SEO

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

95

SEO

1 issue(s) found

80

Performance

1.56 s

90

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.

Lokales Marketing für kleine und mittlere Unternehmen ✔ Homepages ✔ Firmen-Apps ✔ Suchmaschinenmarketing ✔ Werbung in den Verzeichnismedien

FacebookYouTubeInstagram

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
heise regioconcept: Regionales Marketing, das wirkt!
Description
Lokales Marketing für kleine und mittlere Unternehmen ✔ Homepages ✔ Firmen-Apps ✔ Suchmaschinenmarketing ✔ Werbung in den Verzeichnismedien
Canonical
https://www.heise-regioconcept.de/
Language
de
Charset
UTF-8
Viewport
width=device-width, initial-scale=1
Robots meta
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
heise regioconcept: Regionales Marketing, das wirkt!
og:description
Lokales Marketing für kleine und mittlere Unternehmen ✔ Homepages ✔ Firmen-Apps ✔ Suchmaschinenmarketing ✔ Werbung in den Verzeichnismedien
og:type
website
og:url
https://www.heise-regioconcept.de/

Twitter Card

twitter:card
summary_large_image
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Vue.jsWordPressjQueryGoogle AnalyticsNginx

Hosting & CDN

Hosting provider
—
CDN provider
—
IP address
185.76.237.170
ASN
—

DNS records

TypeValue
A
  • 185.76.237.170
AAAA
  • 2a00:1c98:60:1380::c15c:c62d
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
www.heise-regioconcept.de
Valid from
Aug 23, 2026
Valid to
Nov 21, 2026
Days until expiry
88
SAN domains
b14ayl-wwwheise-regioconceptde-5753.site.rb-hosting.io, www.heise-regioconcept.de

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 7 · H3 16

Links

61 internal · 19 external · 1 broken

Images

23 total · 0 missing alt

Scripts / Styles

56 scripts · 32 stylesheets

JS / CSS size

503 KB · 476 KB

Page size

238 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
2
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://duf.de
Final URL
https://www.heise-regioconcept.de/
HTTP status
200
HTTP version
HTTP/2
Response time
1.55 s
HTML size
238 KB
Redirect chain
https://duf.de → https://www.heise-regioconcept.de/

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Frequently asked questions

What technology does duf.de use?
duf.de is built with Vue.js, WordPress, jQuery, Google Analytics, Nginx.
Is duf.de secure (HTTPS)?
Yes. duf.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 21, 2026.
Who hosts duf.de?
Hosting provider information for duf.de is not available yet.
What is duf.de's SEO score?
duf.de scored 95/100 for SEO in the latest analysis (excellent).
What is duf.de's overall website score?
duf.de has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.