Is hzdr.de secure (HTTPS)?

Yes. hzdr.de uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Sep 9, 2026.

Hosting provider information for hzdr.de is not available yet.

What is hzdr.de's SEO score?

hzdr.de scored 65/100 for SEO in the latest analysis (fair).

What is hzdr.de's overall website score?

hzdr.de has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.

hzdr.de

HZDR – Helmholtz-Zentrum Dresden-Rossendorf

Last scanned Jul 26, 2026, 9:46 AM

Overall score

Great

Summary

The Helmholtz-Zentrum Dresden-Rossendorf is a member of the Helmholtz Association of German Research Centres pursuing new insights that will allow us to maintain and improve all of our lives. This website uses Astro. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

The Helmholtz-Zentrum Dresden-Rossendorf is a member of the Helmholtz Association of German Research Centres pursuing new insights that will allow us to maintain and improve all of our lives. That is why the HZDR conducts research in the fields of Energy, Health and Matter in Dresden and at five other locations. Our large-scale facilities are also available to external guests from around the world to help answer the decisive questions of our societies.(Contact details: +49 351 260-0 / contact@hzdr.de)

Top issues to fix

7 issues found · 2 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEO
Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

+1 more issue — details in the sections below.

SEO

5 issue(s) found

100

Performance

857 ms

Security

HTTPS & header checks

Accessibility

1 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.

The Helmholtz-Zentrum Dresden-Rossendorf is a member of the Helmholtz Association of German Research Centres pursuing new insights that will allow us to maintain and improve all of our lives. That is why the HZDR conducts research in the fields of Energy, Health and Matter in Dresden and at five other locations. Our large-scale facilities are also available to external guests from around the world to help answer the decisive questions of our societies.(Contact details: +49 351 260-0 / contact@hzdr.de)

LinkedIn Instagram YouTube

Contact

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

Email: kontakt@hzdr.de

Meta tags

Title: HZDR – Helmholtz-Zentrum Dresden-Rossendorf
Description: The Helmholtz-Zentrum Dresden-Rossendorf is a member of the Helmholtz Association of German Research Centres pursuing new insights that will allow us to maintain and improve all of our lives. That is why the HZDR conducts research in the fields of Energy, Health and Matter in Dresden and at five other locations. Our large-scale facilities are also available to external guests from around the world to help answer the decisive questions of our societies.(Contact details: +49 351 260-0 / contact@hzdr.de)
Canonical: https://www.hzdr.de/db/Cms?pOid=74004&pNid=0
Language: en
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest: https://www.hzdr.de/site.webmanifest

Technologies

Detected frameworks, languages, and tools.

Astro

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Hellenic Academic and Research Institutions CA
Subject: www.hzdr.de
Valid from: Sep 9, 2025
Valid to: Sep 9, 2026
Days until expiry: 42
SAN domains: www.hzdr.de, hzdr.de, www.fz-rossendorf.de, www.fzd.de

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 1 · H3 7

Links

100 internal · 22 external · 20 broken

Images

9 total · 0 missing alt

Scripts / Styles

5 scripts · 6 stylesheets

JS / CSS size

3.8 KB · 2.2 KB

Page size

72.6 KB

Robots.txt & Sitemap

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

SEO issues

Meta description longer than 160 characters
No H1 heading found
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://hzdr.de
Final URL: https://www.hzdr.de/db/Cms?pNid=0
HTTP status: 200
HTTP version: HTTP/2
Response time: 856 ms
HTML size: 72.6 KB
Redirect chain: https://hzdr.de → https://www.hzdr.de/ → https://www.hzdr.de/db/Cms?pNid=0

See something wrong on this report? Request a correction

Frequently asked questions

What technology does hzdr.de use?: hzdr.de is built with Astro.
Is hzdr.de secure (HTTPS)?: Yes. hzdr.de uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Sep 9, 2026.
Who hosts hzdr.de?: Hosting provider information for hzdr.de is not available yet.
What is hzdr.de's SEO score?: hzdr.de scored 65/100 for SEO in the latest analysis (fair).
What is hzdr.de's overall website score?: hzdr.de has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.