proton.me
Proton: Privacy by default
Last scanned Jul 29, 2026, 1:00 PM · 14 views
Overall score
Excellent
Summary
Over 100 million people use Proton to stay private and secure online. This website uses Astro. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: robots.txt not found.
Over 100 million people use Proton to stay private and secure online. Get a free Proton account and take back your privacy.
Top issues to fix
5 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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
326 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 18, 2026
- Overall
- 92
- SEO
- 90
- Security
- 90
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
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
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
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
- 69
- 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: none · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 11 · H3 22
Links
91 internal · 80 external · 20 broken
Images
89 total · 0 missing alt
Scripts / Styles
185 scripts · 2 stylesheets
JS / CSS size
51.5 KB · 10.1 KB
Page size
426 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://proton.me
- Final URL
- https://proton.me
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 318 ms
- HTML size
- 426 KB
- Redirect chain
- https://proton.me
See something wrong on this report? Request a correction
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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?
- Hosting provider information for proton.me is not available yet.
- What is proton.me's SEO score?
- proton.me scored 90/100 for SEO in the latest analysis (excellent).
- What is proton.me's overall website score?
- proton.me has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
- Has proton.me's score changed over time?
- proton.me's overall score has declined by 3 points (from 95 to 92) since Jul 18, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card