bsc.es
BSC-CNS | Barcelona Supercomputing Center - Centro Nacional de Supercomputacion
Last scanned Aug 2, 2026, 11:00 AM · 8 views
Overall score
Fair
Summary
This website uses Apache. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.
Top issues to fix
10 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+4 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
1.08 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-1 overall since Jul 26, 2026
- Overall
- 79
- SEO
- 60
- Security
- 80
- Performance
- 90
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- BSC-CNS | Barcelona Supercomputing Center - Centro Nacional de Supercomputacion
- Description
- Canonical
- https://www.bsc.es/
- Language
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
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 1.2
- Issuer
- Hellenic Academic and Research Institutions CA
- Subject
- opswebbsc01.bsc.es
- Valid from
- Oct 29, 2025
- Valid to
- Oct 29, 2026
- Days until expiry
- 88
- SAN domains
- opswebbsc01.bsc.es, 100xciencia6.bsc.es, quiz.bsc.es, www.bsc.es, bsc.es, mn5-opening.bsc.es
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 3 · H2 6 · H3 5
Links
156 internal · 21 external · 20 broken
Images
31 total · 1 missing alt
Scripts / Styles
47 scripts · 0 stylesheets
JS / CSS size
13.2 KB · 3.7 KB
Page size
132 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Missing meta description
- Multiple H1 headings found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Missing <html lang> attribute
Scan details
- Requested URL
- https://bsc.es
- Final URL
- https://bsc.es
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 1.08 s
- HTML size
- 132 KB
- Redirect chain
- https://bsc.es
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does bsc.es use?
- bsc.es is built with Drupal, jQuery, Google Analytics, Apache.
- Is bsc.es secure (HTTPS)?
- Yes. bsc.es uses TLS 1.2 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Oct 29, 2026.
- Who hosts bsc.es?
- Hosting provider information for bsc.es is not available yet.
- What is bsc.es's SEO score?
- bsc.es scored 60/100 for SEO in the latest analysis (fair).
- What is bsc.es's overall website score?
- bsc.es has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
- Has bsc.es's score changed over time?
- bsc.es's overall score has declined by 1 point (from 80 to 79) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card