protonmail.com
Proton Mail: Get a free email account with privacy and encryption | Proton
Last scanned Jul 22, 2026, 8:11 PM · 1 view
Overall score
Excellent
Summary
Proton Mail is the world’s largest secure email service with over 100 million users. This website uses Astro hosted on PROTON - Proton AG, CH. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Proton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.
- Switzerland
- Hosted on PROTON - Proton AG, CH
Products & pricing
Product and pricing information published in this site's own structured data.
Proton Free
$0.00 USD
Top issues to fix
4 issues found
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
SEO
2 issue(s) found
Performance
316 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Proton Mail: Get a free email account with privacy and encryption | Proton
- Description
- Proton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.
- Canonical
- https://proton.me/mail
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- index, follow
- Manifest
- https://proton.me/mail/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- PROTON - Proton AG, CH
- CDN provider
- —
- IP address
- 185.70.42.45
- ASN
- AS62371 (PROTON - Proton AG, CH)
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
- proton.me
- Valid from
- Jul 9, 2026
- Valid to
- Oct 7, 2026
- Days until expiry
- 76
- SAN domains
- *.pr.tn, *.proton.me, *.storage.proton.me, pr.tn, proton.me
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 10 · H3 15
Links
79 internal · 27 external · 0 broken
Images
64 total · 0 missing alt
Scripts / Styles
162 scripts · 2 stylesheets
JS / CSS size
46.6 KB · 11.0 KB
Page size
297 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://protonmail.com
- Final URL
- https://proton.me/mail
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 310 ms
- HTML size
- 297 KB
- Redirect chain
- https://protonmail.com → https://proton.me/mail
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does protonmail.com use?
- protonmail.com is built with Astro.
- Is protonmail.com secure (HTTPS)?
- Yes. protonmail.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 7, 2026.
- Who hosts protonmail.com?
- protonmail.com is hosted on PROTON - Proton AG, CH.
- What is protonmail.com's SEO score?
- protonmail.com scored 90/100 for SEO in the latest analysis (excellent).
- What is protonmail.com's overall website score?
- protonmail.com has an overall SiteGraph score of 95/100, combining SEO, performance, security, and accessibility.
- What products does protonmail.com offer?
- protonmail.com offers Proton Free.
- Is protonmail.com hiring?
- protonmail.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card