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.

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

What is ctdo.de's SEO score?

ctdo.de scored 50/100 for SEO in the latest analysis (fair).

What is ctdo.de's overall website score?

ctdo.de has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.

Has ctdo.de's score changed over time?

ctdo.de's overall score has improved by 3 points (from 73 to 76) since Jul 26, 2026.

ctdo.de

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

Last scanned Aug 3, 2026, 1:00 PM · 7 views

Overall score

Fair

Summary

This website uses WordPress. SEO is fair (50/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.

Top issues to fix

12 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.

+6 more issues — details in the sections below.

SEO

8 issue(s) found

Performance

684 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+3 overall since Jul 26, 2026

Overall: 76
SEO: 50
Security: 75
Performance: 90
Accessibility: 100

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: —
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: Let's Encrypt
Subject: ctdo.de
Valid from: Jun 17, 2026
Valid to: Sep 15, 2026
Days until expiry: 43
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 · 20 broken

Images

23 total · 1 missing alt

Scripts / Styles

40 scripts · 10 stylesheets

JS / CSS size

9.0 KB · 116 KB

Page size

443 KB

Robots.txt & Sitemap

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

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
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://ctdo.de
Final URL: https://www.chaostreff-dortmund.de/
HTTP status: 200
HTTP version: HTTP/2
Response time: 675 ms
HTML size: 443 KB
Redirect chain: https://ctdo.de → https://www.chaostreff-dortmund.de/

See something wrong on this report? Request a correction

Same technology stack

yousician.com

Yousician | Learn Guitar, Piano, Ukulele With The Songs you Love

wordpressphpmeta-pixel

AWS· CloudFront

santsahitya.in

sant sahitya - charitra mahiti abhang gatha granth rachana

wordpressphpwoocommerce

Cloudflare· Cloudflare

galussothemes.com

Elementor Wordpress themes | Free Joomla templates, Joomla 6

wordpresswoocommercegoogle-analytics

· Cloudflare

teleonline.org

Teleonline - Televisión en directo

wordpressphpwoocommerce

Cloudflare· Cloudflare

i24.host

i24® MKB Hostingpartner

wordpressphpnginx

drivestrike.com

Remote Wipe | Data Breach Protection | DriveStrike

wordpressapachephp

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?: Hosting provider information for ctdo.de is not available yet.
What is ctdo.de's SEO score?: ctdo.de scored 50/100 for SEO in the latest analysis (fair).
What is ctdo.de's overall website score?: ctdo.de has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
Has ctdo.de's score changed over time?: ctdo.de's overall score has improved by 3 points (from 73 to 76) since Jul 26, 2026.