What powers jdzb.de?

Last seen Oct 2026 · 17 technologies across 12 categories

Analytics

Matomo Analytics
since Jul 2021

CDN

jsDelivr
since Jan 2022

CMS

Drupal v10
since Apr 2021
TYPO3 CMS
since Jan 2019

Font scripts

Font Awesome
since Jan 2019

Hosting

GoDaddy
since Aug 2022

Hosting panels

Plesk
since Jan 2019

JavaScript libraries

jQuery v3.7.1
since Jan 2019
Lightbox
since Jan 2019
Slick
since Apr 2021

Miscellaneous

Popper
since Jul 2022

Programming languages

PHP v8.1.34
since Jan 2019

UI frameworks

Bootstrap v4.5.0
since Apr 2021

Web servers

Apache HTTP Server
since Jan 2019
Nginx
since Oct 2019

Webmail

Apple iCloud Mail
since Nov 2024
Microsoft 365
since Oct 2022

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 Nov 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

Top search keywords

KeywordPositionEst. monthly visits
zentrum #72 2
japanese language exam #77 2
jlpt register #56 2
german-japanese relations #10 2
german japanese relations #11 2
jlpt test schedule #29 1
jlpt test japan #50 1
jlpt test in japan #40 1
jlpt test dates #48 1
jlpt exam dates #71 1
deutsch-japanisch #15 1
young german #54 0
cefr japanese #82 0
congress-bundestag youth exchange for young professionals #84 0
the lines that define me #24 0
the lines that define me #24 0
sievernich #23 0
suisenzuki no yokka #47 0
our in japanese #68 0
praemium imperiale #53 0
japanese in germany #57 0
japanese in german #50 0
japanisch #40 0
japanese germans #29 0
japanese german relations #25 0

The site's top keywords in Google (US), with the visits each one is estimated to bring per month.

Top backlinks

Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 64% phone
  • 36% desktop
  • Germany
  • Japan
  • India

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

5.33 / 10 · ranked #183,097 of all domains

182 referring domains · OpenPageRank

Search traffic

16 est. monthly organic visits (US)

59 keywords in Google's top 30

Core Web Vitals

LCP1.8 s
INP50 ms
CLS0
TTFB900 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: German
  • Weight: 4.1 MB · 34 requests

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • Japanese-German Center Berlin
  • Founded: 1985
  • Sector: advancement of art and culture, advancement of science and research
  • Country: Germany

From Wikidata (CC0).

Infrastructure

  • Hosted on GoDaddy (92.205.185.104)
  • DNS: GoDaddy DNS
  • Email: Microsoft 365
  • Email security: SPF (soft fail), DMARC quarantine
  • SSL: Let's Encrypt, RSA 2048, expires Feb 2027
  • Common Crawl link graph: rank 2,136,867, 2 hosts
  • Verified with: Apple Business, Brevo, Google, Microsoft 365

DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted

Subdomains

HostTechs
jdzb.de 12
www.jdzb.de 11

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