astellas.com
Homepage | Astellas
Last scanned Jul 26, 2026, 5:47 AM · 2 views
Overall score
Great
Summary
Astellas is a global life sciences company turning science into value for patients through transformative therapies. This website uses Apache behind CloudFront CDN. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Astellas is a global life sciences company turning science into value for patients through transformative therapies. Discover how we're pioneering new healthcare solutions.
Top issues to fix
8 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
225 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Astellas is a global life sciences company turning science into value for patients through transformative therapies. Discover how we're pioneering new healthcare solutions.
Meta tags
- Title
- Homepage | Astellas
- Description
- Astellas is a global life sciences company turning science into value for patients through transformative therapies. Discover how we're pioneering new healthcare solutions.
- Canonical
- https://www.astellas.com/en/home
- Language
- en
- 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
- CloudFront
- 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
- DigiCert Inc
- Subject
- *.astellas.com
- Valid from
- Mar 3, 2026
- Valid to
- Sep 17, 2026
- Days until expiry
- 50
- SAN domains
- *.astellas.com, astellas.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 0 · H2 2 · H3 1
Links
103 internal · 5 external · 20 broken
Images
11 total · 1 missing alt
Scripts / Styles
19 scripts · 7 stylesheets
JS / CSS size
3.1 KB · 0 B
Page size
256 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://astellas.com
- Final URL
- https://www.astellas.com/en
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 220 ms
- HTML size
- 256 KB
- Redirect chain
- https://astellas.com → https://www.astellas.com/ → http://www.astellas.com/en → https://www.astellas.com/en
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Frequently asked questions
- What technology does astellas.com use?
- astellas.com is built with jQuery, Apache.
- Is astellas.com secure (HTTPS)?
- Yes. astellas.com uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Sep 17, 2026.
- Who hosts astellas.com?
- Hosting provider information for astellas.com is not available yet.
- What is astellas.com's SEO score?
- astellas.com scored 65/100 for SEO in the latest analysis (fair).
- What is astellas.com's overall website score?
- astellas.com has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card