proton.me
Proton: Privacy by default
Last scanned Jul 18, 2026, 8:49 PM
Overall score
Excellent
Top issues to fix
2 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.
Summary
Over 100 million people use Proton to stay private and secure online. This website uses Astro hosted on PROTON - Proton AG, CH. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100).
SEO
0 issue(s) found
Performance
236 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.
- media@proton.me
Source: https://proton.me/media
Meta tags
- Title
- Proton: Privacy by default
- Description
- Over 100 million people use Proton to stay private and secure online. Get a free Proton account and take back your privacy.
- Canonical
- https://proton.me
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- index, follow
- Manifest
- https://proton.me/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
- 80
- 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 11 · H3 22
Links
90 internal · 80 external · 0 broken
Images
89 total · 0 missing alt
Scripts / Styles
184 scripts · 3 stylesheets
JS / CSS size
51.8 KB · 6.7 KB
Page size
420 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
No SEO issues detected.
Accessibility issues
No accessibility issues detected.
Products & pricing
Product and pricing information published in this site's own structured data.
Free
$0.00 USD
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://proton.me
- Final URL
- https://proton.me
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 228 ms
- HTML size
- 420 KB
- Redirect chain
- https://proton.me
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Frequently asked questions
- What technology does proton.me use?
- proton.me is built with Astro.
- Is proton.me secure (HTTPS)?
- Yes. proton.me uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 7, 2026.
- Who hosts proton.me?
- proton.me is hosted on PROTON - Proton AG, CH.
- What is proton.me's SEO score?
- proton.me scored 100/100 for SEO in the latest analysis (excellent).
- What is proton.me's overall website score?
- proton.me has an overall SiteGraph score of 95/100, combining SEO, performance, security, and accessibility.
- What products does proton.me offer?
- proton.me offers Free.
- Is proton.me hiring?
- proton.me has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card