Is rki.de secure (HTTPS)?

Yes. rki.de uses TLS 1.3 with a certificate issued by D-Trust GmbH, valid until Oct 21, 2026.

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

What is rki.de's SEO score?

rki.de scored 85/100 for SEO in the latest analysis (great).

What is rki.de's overall website score?

rki.de has an overall SiteGraph score of 96/100, combining SEO, performance, security, and accessibility.

What company operates rki.de?

rki.de is operated by Robert Koch-Institut. Weitere Informationen zum RKI

Has rki.de's score changed over time?

rki.de's overall score has declined by 3 points (from 99 to 96) since Jul 25, 2026.

rki.de

RKI - Startseite

Last scanned Aug 1, 2026, 5:00 AM · 20 views

Overall score

Excellent

Summary

Weitere Informationen zum RKI. This website uses Apache. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Multiple H1 headings found.

Robert Koch-Institut

Weitere Informationen zum RKI

Nordufer 20, Berlin, 13353, DE

Top issues to fix

4 issues found

Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
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.
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

3 issue(s) found

100

Performance

400 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-3 overall since Jul 25, 2026

Overall: 96
SEO: 85
Security: 100
Performance: 100
Accessibility: 100

Organization

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

Robert Koch-Institut

Weitere Informationen zum RKI

LinkedIn YouTube

Contact

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

Email: webmaster@rki.de
Phone: +49 30 18754 0
Address: Nordufer 20, Berlin, 13353, DE

Meta tags

Title: RKI - Startseite
Description: Das Robert Koch-Institut ist die zentrale Einrichtung der Bundesregierung auf dem Gebiet der Krankheitsüberwachung und –prävention.
Canonical: https://www.rki.de/DE/Home/home_node.html
Language: de
Charset: UTF-8
Viewport: width=device-width, initial-scale=1.0, maximum-scale=5.0, user-scalable=1
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Apache

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: D-Trust GmbH
Subject: www.rki.de
Valid from: Apr 6, 2026
Valid to: Oct 21, 2026
Days until expiry: 81
SAN domains: www.rki.de, zfkd.info, zfkd.de, www.zfkd.info, www.zfkd.de, www.token-studie.de, www.stiko.de, www.stakob.org, www.stakob.de, www.rki.bund.de, www.krebsdaten.rki.de, www.krebsdaten.de, www.karriere.rki.de, www.jobs.rki.de, www.esticom.eu, www.emerge.rki.eu, www.ekos.rki.de, www.effo.rki.de, www.effo-ebola.rki.de, www.diabsurv.rki.de, token-studie.de, stiko.de, stakob.org, stakob.de, rki.de, rki.bund.de, krebsdaten.rki.de, krebsdaten.de, karriere.rki.de, jobs.rki.de, esticom.eu, emerge.rki.eu, ekos.rki.de, effo.rki.de, effo-ebola.rki.de, diabsurv.rki.de

Security headers

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

Compression: none · 1 cookie(s) observed

Content & assets

Headings

H1 4 · H2 10 · H3 14

Links

137 internal · 9 external · 20 broken

Images

8 total · 0 missing alt

Scripts / Styles

1 scripts · 8 stylesheets

JS / CSS size

0 B · 126 B

Page size

206 KB

Robots.txt & Sitemap

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

SEO issues

Multiple H1 headings found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://rki.de
Final URL: https://www.rki.de/DE/Home/home_node.html
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 396 ms
HTML size: 206 KB
Redirect chain: https://rki.de → https://www.rki.de/ → https://www.rki.de/DE/Home/home_node.html

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does rki.de use?: rki.de is built with Apache.
Is rki.de secure (HTTPS)?: Yes. rki.de uses TLS 1.3 with a certificate issued by D-Trust GmbH, valid until Oct 21, 2026.
Who hosts rki.de?: Hosting provider information for rki.de is not available yet.
What is rki.de's SEO score?: rki.de scored 85/100 for SEO in the latest analysis (great).
What is rki.de's overall website score?: rki.de has an overall SiteGraph score of 96/100, combining SEO, performance, security, and accessibility.
What company operates rki.de?: rki.de is operated by Robert Koch-Institut. Weitere Informationen zum RKI
Has rki.de's score changed over time?: rki.de's overall score has declined by 3 points (from 99 to 96) since Jul 25, 2026.