EcoMark

EcoMark analysis · Algo v4

proton.me

Published 30 Aug 2026

Site history
C72#6 of 10 at publication

This grade belongs to proton.me. It is based on a bounded sample of up to 5 connected public pages plus public evidence. It is not a grade for any one page.

Automated EcoMark v4 approximation using up to 5 connected pages, DNS, active policy/sitemap discovery, browser security checks and lightweight performance diagnostics. Browser Run was blocked or incomplete, so the normal public HTML response was used instead. Analysis quality: good.

Algorithm v4 · Raw evidence

Improve

Start with these changes.

1

efficiency

Reduce resource and third-party requests by consolidating assets and removing unnecessary integrations.

Lighter pages consume less bandwidth and device work and remain usable on slower connections.

2

sovereignty

Avoid concentrating most third-party delivery in one provider ecosystem.

A more portable and less concentrated stack gives organisations more control over technology and jurisdiction.

3

responsibility

Publish sustainability evidence, consider carbon.txt, and use independently verified green hosting where practical.

Transparent, secure defaults make digital impact understandable and give visitors meaningful choices.

Breakdown

Evidence by category.

Efficiency

55
#9 of 10

5 connected pages · ~620 KB measured/page · 0 KB JavaScript/page · 101 resource references/page · 90% sampled assets cacheable. PageSpeed-style checks: 5/7; 2 obvious blocking candidates; 0 images without width/height.

Evidence and scoring

Evidence: 5 connected pages · ~620 KB measured/page · 0 KB JavaScript/page · 101 resource references/page · 90% sampled assets cacheable. PageSpeed-style checks: 5/7; 2 obvious blocking candidates; 0 images without width/height.

  • PayloadMeasured HTML and sampled asset payload is proportionate and optimised.15/20
  • JavaScriptReferenced JavaScript weight is kept proportionate.20/20
  • RequestsPages avoid excessive resource references and third-party connections.0/20
  • MediaImages and video avoid obvious loading and autoplay waste.0/20
  • Caching and compressionSampled static assets expose effective cache policy.20/20

Privacy

80
#5 of 10

0 known trackers · 0 tracking-style response cookies · 90% third-party resource references.

Evidence and scoring

Evidence: 0 known trackers · 0 tracking-style response cookies · 90% third-party resource references.

  • Behavioural trackingKnown advertising pixels and cross-site trackers are absent or minimised.20/20
  • Analytics minimisationAnalytics technology is absent or privacy-preserving and proportionate.20/20
  • Cookies and consentNon-essential response cookies are avoided before interaction.20/20
  • Third-party disclosureResource loading does not unnecessarily disclose visits to third parties.0/20
  • Invasive techniquesKnown session replay and similarly invasive tools are absent.20/20

Sovereignty

65
#6 of 10

1 US-headquartered visitor-facing provider ecosystems · 10% first-party assets · open technology 68/100 · Astro. DNS: NS ns1.proton.me, ns2.proton.me · MX 10 mail.protonmail.ch, 20 mailsec.protonmail.ch.

Evidence and scoring

Evidence: 1 US-headquartered visitor-facing provider ecosystems · 10% first-party assets · open technology 68/100 · Astro. DNS: NS ns1.proton.me, ns2.proton.me · MX 10 mail.protonmail.ch, 20 mailsec.protonmail.ch.

  • Provider jurisdictionObservable visitor-facing dependencies minimise reliance on US-headquartered platform ecosystems.15/20
  • Third-party geographyKnown non-EU third-party data exposure is minimised.20/20
  • Portable deliveryPages minimise proprietary embeds and platform-specific content dependencies.20/20
  • Supplier concentrationThird-party resource loading is not dominated by one provider ecosystem.0/20
  • Open technologyOpen standards, first-party delivery, open-source technology and public source code are preferred where practical.10/20

Accessibility

100
#1 of 10

0 semantic issues · 0 keyboard markup issues · 0% unlabelled controls · 100% raw/rendered text ratio.

Evidence and scoring

Evidence: 0 semantic issues · 0 keyboard markup issues · 0% unlabelled controls · 100% raw/rendered text ratio.

  • SemanticsHTML exposes basic language, heading and landmark structure.20/20
  • Keyboard accessMarkup avoids obvious keyboard-hostile interaction patterns.20/20
  • Forms and controlsForm controls expose labels or accessible names.20/20
  • Visual accessibilityViewport and media markup avoid obvious visual accessibility barriers.20/20
  • ResilienceMeaningful text remains present without relying entirely on client rendering.20/20

Responsibility

65
#5 of 10

Privacy ✓ · Cookies n/a · Terms ✓ · Accessibility ✗ · Contact/About ✓. Public registration IDs: none detected. no verified green-hosting evidence found. carbon.txt ✗ · sitemap ✓ · security 5/6. Missing: Permissions-Policy.

Evidence and scoring

Evidence: Privacy ✓ · Cookies n/a · Terms ✓ · Accessibility ✗ · Contact/About ✓. Public registration IDs: none detected. no verified green-hosting evidence found. carbon.txt ✗ · sitemap ✓ · security 5/6. Missing: Permissions-Policy.

  • Public accountabilityPrivacy, terms, accessibility, contact and applicable registration information are discoverable.10/20
  • Security basicsThe main response exposes sensible browser security headers.15/20
  • Consent designTracking and consent markup avoids obvious one-sided choice patterns.20/20
  • Supplier disclosureDetected material visitor-facing providers are reflected in discoverable privacy information.20/20
  • Sustainability evidenceGreen hosting, carbon.txt and public sustainability information provide discoverable evidence of digital sustainability practice.0/20