What powers centra.hamburg?
Last seen Sep 2026 · 20 technologies across 14 categories
Analytics
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Maps
Miscellaneous
PaaS
Page builders
Programming languages
Security
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.43 / 10 · ranked #2,622,986 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German (Germany)
- CDN: Cloudflare
- Weight: 2.5 MB · 78 requests
- WordPress theme: divi (child: centra) · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.51.243, IPv6)
- DNS: Cloudflare DNS
- Email: centra.hamburg
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 11,868,822, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped LazySizes Aug 2026
- dropped MediaElement.js Aug 2026
- dropped Priority Hints Aug 2026
- dropped WPMU DEV Smush Aug 2026
- detected Klaro Jul 2026
- dropped CookieFirst May 2026
- dropped Matomo Analytics May 2026
- dropped Preact May 2026
- dropped reCAPTCHA May 2026
- dropped ReCaptcha v2 for Contact Form 7 May 2026
- detected Cloudflare Turnstile Apr 2026
- detected Google Maps Apr 2026
- detected LazySizes Apr 2026
- detected lit-element Apr 2026
- detected lit-html Apr 2026
- detected WPMU DEV Smush Apr 2026
- dropped Hetzner Dec 2025
- detected Cloudflare Nov 2025
- detected Cloudflare Browser Insights Nov 2025
- detected HTTP/3 Nov 2025