What powers 
tutanota.com?
Last seen Oct 2026 · 7 technologies across 6 categories
JavaScript Frameworks
JavaScript Libraries
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Aug 2022
Security
HSTS
since Sep 2022
UI frameworks
Bootstrap
since Jan 2019
AI Crawlers
robots.txt could not be read at the last check (Nov 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
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
Policy unknown
Audience
- 74% desktop
- 26% phone
United States
Germany
United Kingdom
France
Italy
Spain
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.42 / 10 · ranked #22,268 of all domains
991 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 22.8 MB · 119 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Nov 2011 (14 years) via INWX GmbH, renews Nov 2026
- Hosted on TUTA Tutao GmbH (185.205.69.12, IPv6)
- DNS: Amazon Route 53
- Email: Tuta Mail
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed, CAA, MTA-STS
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 29,508, 6 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| tutanota.com | 4 |
| app.tutanota.com | 3 |
| mail.tutanota.com | 3 |
| w10.api.tutanota.com | 3 |
| www.tutanota.com | 2 |