What technology does ctdo.de use?

ctdo.de is built with PHP, WordPress, WooCommerce, jQuery.

Is ctdo.de secure (HTTPS)?

Yes. ctdo.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 15, 2026.

What is ctdo.de's SEO score?

ctdo.de scored 60/100 for SEO in the latest analysis (fair).

What is ctdo.de's overall website score?

ctdo.de has an overall SiteGraph score of 73/100, combining SEO, performance, security, and accessibility.

ctdo.de

Chaostreff Dortmund e.V. – Hackspace und Raum für Kreativität in Dortmund

Last scanned Jul 26, 2026, 5:47 AM

Overall score

Fair

Summary

This website uses WordPress hosted on CHAOSTREFF-DORTMUND - Chaostreff Dortmund e.V., DE. SEO is fair (60/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance fair (65/100). Top issue: Title longer than 60 characters.

Germany

Hosted on CHAOSTREFF-DORTMUND - Chaostreff Dortmund e.V., DE

Top issues to fix

9 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.
Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.

+3 more issues — details in the sections below.

SEO

6 issue(s) found

Performance

972 ms

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.

Contact

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

Source: https://www.chaostreff-dortmund.de/location/

Meta tags

Title: Chaostreff Dortmund e.V. – Hackspace und Raum für Kreativität in Dortmund
Description
Canonical
Language: de
Charset: UTF-8
Viewport: width=device-width, initial-scale=1.0
Robots meta: max-image-preview:large
Manifest

Technologies

Detected frameworks, languages, and tools.

PHP WordPress WooCommerce jQuery

Hosting & CDN

Hosting provider: CHAOSTREFF-DORTMUND - Chaostreff Dortmund e.V., DE
CDN provider: —
IP address: 195.160.168.3
ASN: AS197782 (CHAOSTREFF-DORTMUND - Chaostreff Dortmund e.V., DE)

DNS records

Type	Value
A	195.160.168.3
AAAA	2001:67c:275c::ffff:c3a0:a803
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: ctdo.de
Valid from: Jun 17, 2026
Valid to: Sep 15, 2026
Days until expiry: 51
SAN domains: chaostreff-dortmund.de, ctdo.de, dortmund.ccc.de, dortmund.chaostreff.de, fablab-dortmund.de, repaircafe-dortmund.de, www.chaostreff-dortmund.de, www.ctdo.de

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 2 · H2 103 · H3 0

Links

161 internal · 8 external · 0 broken

Images

24 total · 1 missing alt

Scripts / Styles

40 scripts · 10 stylesheets

JS / CSS size

1.5 MB · 825 KB

Page size

443 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 1
sitemap.xml: Found
URLs in sitemap: -1

SEO issues

Title longer than 60 characters
Missing meta description
Missing canonical link
Multiple H1 headings found
No structured data (JSON-LD) found
Missing OpenGraph tags

Scan details

Requested URL: https://ctdo.de
Final URL: https://www.chaostreff-dortmund.de/
HTTP status: 200
HTTP version: HTTP/2
Response time: 963 ms
HTML size: 443 KB
Redirect chain: https://ctdo.de → https://www.chaostreff-dortmund.de/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does ctdo.de use?: ctdo.de is built with PHP, WordPress, WooCommerce, jQuery.
Is ctdo.de secure (HTTPS)?: Yes. ctdo.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 15, 2026.
Who hosts ctdo.de?: ctdo.de is hosted on CHAOSTREFF-DORTMUND - Chaostreff Dortmund e.V., DE.
What is ctdo.de's SEO score?: ctdo.de scored 60/100 for SEO in the latest analysis (fair).
What is ctdo.de's overall website score?: ctdo.de has an overall SiteGraph score of 73/100, combining SEO, performance, security, and accessibility.

Top issues to fix

Contact

Meta tags

OpenGraph & Twitter Card

Technologies

Hosting & CDN

DNS records

TLS / SSL certificate

Security headers

Content & assets

Robots.txt & Sitemap

SEO issues

Accessibility issues

Scan details

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Frequently asked questions