What technology does kdo.de use?

kdo.de is built with PHP, Apache.

Is kdo.de secure (HTTPS)?

Yes. kdo.de uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Jan 6, 2027.

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

What is kdo.de's SEO score?

kdo.de scored 80/100 for SEO in the latest analysis (great).

What is kdo.de's overall website score?

kdo.de has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.

kdo.de

Kommunale Datenverarbeitung Oldenburg - KDO

Last scanned Aug 24, 2026, 1:22 PM

Overall score

Excellent

Summary

Die KDO – größter kommunaler IT-Dienstleister in Niedersachsen. This website uses PHP behind Fastly CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.

Die KDO – größter kommunaler IT-Dienstleister in Niedersachsen. Wir sind Spezialisten für die optimale Verbindung von IT und kommunalem Know-how. Wir unterstützen unsere Kunden dabei zukunftsfähig zu bleiben. Erfahren Sie mehr über uns, unsere Leistungen, Termine und Veranstaltungen. Oder abonnieren Sie unsere News.

Top issues to fix

6 issues found

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.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search 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.
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

4 issue(s) found

Performance

2.43 s

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: Kommunale Datenverarbeitung Oldenburg - KDO
Description: Die KDO – größter kommunaler IT-Dienstleister in Niedersachsen. Wir sind Spezialisten für die optimale Verbindung von IT und kommunalem Know-how. Wir unterstützen unsere Kunden dabei zukunftsfähig zu bleiben. Erfahren Sie mehr über uns, unsere Leistungen, Termine und Veranstaltungen. Oder abonnieren Sie unsere News.
Canonical: https://kdo.de/
Language: de
Charset: UTF-8
Viewport: width=device-width,initial-scale=1.0
Robots meta: index,follow
Manifest

Technologies

Detected frameworks, languages, and tools.

PHP Apache

Hosting & CDN

Hosting provider: —
CDN provider: Fastly
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: DigiCert Inc
Subject: *.kdo.de
Valid from: Jun 22, 2026
Valid to: Jan 6, 2027
Days until expiry: 134
SAN domains: *.kdo.de, kdo.de

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 3 · H3 6

Links

94 internal · 4 external · 20 broken

Images

4 total · 0 missing alt

Scripts / Styles

5 scripts · 1 stylesheets

JS / CSS size

0 B · 36 B

Page size

97.1 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
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://kdo.de
Final URL: https://kdo.de
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 2.43 s
HTML size: 97.1 KB
Redirect chain: https://kdo.de

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