What powers threema.id?

Last seen Nov 2023 · 10 technologies across 6 categories

JavaScript libraries

jQuery v3.6.0
since Aug 2022
jQuery UI v1.12.1
since Aug 2022

Miscellaneous

Open Graph
since Oct 2022
Popper
since Aug 2022

Security

hCaptcha
since Jul 2023
HSTS
since Sep 2022
Keybase
since Jan 2023

UI frameworks

Bootstrap v4.3.1
since Aug 2022

Video players

Plyr
since Nov 2023

Web servers

Nginx
since Aug 2022

AI Crawlers

Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.

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

See who blocks each AI crawler across the web

AI Crawlers

All crawlers blocked

Full breakdown

Audience

  • 90% phone
  • 10% desktop
  • Germany
  • Poland
  • United States
  • Australia
  • Italy
  • Mexico

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

Open Page Rank

7.02 / 10 · ranked #38,918 of all domains

308 referring domains · OpenPageRank

Core Web Vitals

LCP1.9 s
INP75 ms
CLS0
TTFB800 ms

Real user p75, Chrome UX Report, Aug 2026.

Infrastructure

  • Registered Mar 2015 (11 years) via PT Jagat Informasi Solusi (int), renews Mar 2027
  • Hosted on NINE (203.56.112.78, IPv6)
  • DNS: threema.ch
  • Email: no MX record returned
  • Email security: SPF (hard fail), DMARC reject, CAA
  • SSL: Sectigo, ECDSA P256, expires Feb 2027
  • Common Crawl link graph: rank 100,064, 2 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted

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