proteinatlas.org
The Human Protein Atlas
Last scanned Jul 26, 2026, 5:35 AM
Overall score
Fair
Summary
The atlas for all human proteins in cells and tissues using various omics: antibody-based imaging, transcriptomics, MS-based proteomics, and systems biology. This website uses Apache hosted on SUNET - Vetenskapsradet / SUNET, EU. SEO is good (75/100) and accessibility is poor (45/100). Security scores good (85/100) and performance fair (65/100). Top issue: Meta description longer than 160 characters.
The atlas for all human proteins in cells and tissues using various omics: antibody-based imaging, transcriptomics, MS-based proteomics, and systems biology. Sections include the Tissue, Brain, Single Cell Type, Tissue Cell Type, Pathology, Disease Blood Atlas, Immune Cell, Blood Protein, Subcellular, Cell Line, Structure, and Interaction.
- Sweden
- Hosted on SUNET - Vetenskapsradet / SUNET, EU
Top issues to fix
11 issues found · 4 high priority
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Slow estimated load (5.3s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
TLS certificate expires in 30 days
SecurityRenew soon or enable auto-renewal to avoid a browser-warning outage.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
+5 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
5.30 s
Security
HTTPS & header checks
Accessibility
4 issue(s) found
Organization
Company details published in this site's own structured data.
The atlas for all human proteins in cells and tissues using various omics: antibody-based imaging, transcriptomics, MS-based proteomics, and systems biology. Sections include the Tissue, Brain, Single Cell Type, Tissue Cell Type, Pathology, Disease Blood Atlas, Immune Cell, Blood Protein, Subcellular, Cell Line, Structure, and Interaction.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- The Human Protein Atlas
- Description
- The atlas for all human proteins in cells and tissues using various omics: antibody-based imaging, transcriptomics, MS-based proteomics, and systems biology. Sections include the Tissue, Brain, Single Cell Type, Tissue Cell Type, Pathology, Disease Blood Atlas, Immune Cell, Blood Protein, Subcellular, Cell Line, Structure, and Interaction.
- Canonical
- Language
- Charset
- utf-8
- Viewport
- Robots meta
- Manifest
- https://www.proteinatlas.org/site.webmanifest?v=JyAbEzO2Nb
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- SUNET - Vetenskapsradet / SUNET, EU
- CDN provider
- —
- IP address
- 130.237.227.251
- ASN
- AS1653 (SUNET - Vetenskapsradet / SUNET, EU)
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
- www.v25.proteinatlas.org
- Valid from
- May 28, 2026
- Valid to
- Aug 26, 2026
- Days until expiry
- 30
- SAN domains
- *.proteinatlas.org, proteinatlas.org, www.v25.proteinatlas.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
59 internal · 16 external · 0 broken
Images
30 total · 18 missing alt
Scripts / Styles
28 scripts · 11 stylesheets
JS / CSS size
1.1 MB · 114 KB
Page size
188 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 2
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- Missing OpenGraph tags
Accessibility issues
- Over half of images are missing alt text
- No H1 heading found
- Missing <html lang> attribute
- Missing viewport meta tag
Scan details
- Requested URL
- https://proteinatlas.org
- Final URL
- https://www.proteinatlas.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 5.30 s
- HTML size
- 188 KB
- Redirect chain
- https://proteinatlas.org → https://www.proteinatlas.org/
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Frequently asked questions
- What technology does proteinatlas.org use?
- proteinatlas.org is built with jQuery, Google Analytics, Apache.
- Is proteinatlas.org secure (HTTPS)?
- Yes. proteinatlas.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 26, 2026.
- Who hosts proteinatlas.org?
- proteinatlas.org is hosted on SUNET - Vetenskapsradet / SUNET, EU.
- What is proteinatlas.org's SEO score?
- proteinatlas.org scored 75/100 for SEO in the latest analysis (fair).
- What is proteinatlas.org's overall website score?
- proteinatlas.org has an overall SiteGraph score of 69/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card