sissa.it
Homepage
Last scanned Aug 2, 2026, 4:00 PM · 12 views
Overall score
Great
Summary
This website uses Nginx. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Missing meta description.
Top issues to fix
6 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 meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
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
4 issue(s) found
Performance
2.18 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-1 overall since Jul 26, 2026
- Overall
- 84
- SEO
- 70
- Security
- 90
- Performance
- 90
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Homepage
- Description
- Canonical
- https://www.sissa.it/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- 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
- www.sissa.it
- Valid from
- Dec 4, 2025
- Valid to
- Dec 4, 2026
- Days until expiry
- 123
- SAN domains
- www.sissa.it, sissa.it, www2.sissa.it, www4.sissa.it, www3.sissa.it
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 5 · H3 1
Links
104 internal · 20 external · 20 broken
Images
36 total · 0 missing alt
Scripts / Styles
26 scripts · 66 stylesheets
JS / CSS size
15.0 KB · 469 B
Page size
84.6 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- No H1 heading found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://sissa.it
- Final URL
- https://www.sissa.it/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 2.18 s
- HTML size
- 84.6 KB
- Redirect chain
- https://sissa.it → https://www.sissa.it/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does sissa.it use?
- sissa.it is built with Drupal, jQuery, Google Analytics, Nginx.
- Is sissa.it secure (HTTPS)?
- Yes. sissa.it uses TLS 1.2 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Dec 4, 2026.
- Who hosts sissa.it?
- Hosting provider information for sissa.it is not available yet.
- What is sissa.it's SEO score?
- sissa.it scored 70/100 for SEO in the latest analysis (fair).
- What is sissa.it's overall website score?
- sissa.it has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
- Has sissa.it's score changed over time?
- sissa.it's overall score has declined by 1 point (from 85 to 84) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card