alexion.com
Alexion Global Site
Last scanned Aug 24, 2026, 1:23 PM
Overall score
Excellent
Summary
As Alexion, AstraZeneca Rare Disease, we are delivering life-changing therapies to people living with rare diseases. This website uses jQuery hosted on AWS behind CloudFront CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Multiple H1 headings found.
Alexion
As Alexion, AstraZeneca Rare Disease, we are delivering life-changing therapies to people living with rare diseases.
- United States
- Hosted on AWS
Top issues to fix
5 issues found · 1 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
1 issue(s) found
Performance
421 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Source: https://alexion.com/contact-us
Meta tags
- Title
- Alexion Global Site
- Description
- As Alexion, AstraZeneca Rare Disease, we are delivering life-changing therapies to people living with rare diseases.
- Canonical
- https://alexion.com/
- 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
- AWS
- CDN provider
- CloudFront
- IP address
- 18.67.195.64
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT | — |
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- alexion.com
- Valid from
- Jun 13, 2026
- Valid to
- Dec 27, 2026
- Days until expiry
- 124
- SAN domains
- alexion.com, www.alexion.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 3 · H2 12 · H3 16
Links
63 internal · 29 external · 1 broken
Images
25 total · 0 missing alt
Scripts / Styles
8 scripts · 9 stylesheets
JS / CSS size
961 KB · 253 KB
Page size
191 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- 1
SEO issues
- Multiple H1 headings found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://alexion.com
- Final URL
- https://alexion.com
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 418 ms
- HTML size
- 191 KB
- Redirect chain
- https://alexion.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does alexion.com use?
- alexion.com is built with jQuery.
- Is alexion.com secure (HTTPS)?
- Yes. alexion.com uses TLS 1.3 with a certificate issued by Amazon, valid until Dec 27, 2026.
- Who hosts alexion.com?
- alexion.com is hosted on AWS, behind CloudFront CDN.
- What is alexion.com's SEO score?
- alexion.com scored 95/100 for SEO in the latest analysis (excellent).
- What is alexion.com's overall website score?
- alexion.com has an overall SiteGraph score of 95/100, combining SEO, performance, security, and accessibility.
- What company operates alexion.com?
- alexion.com is operated by Alexion. As Alexion, AstraZeneca Rare Disease, we are delivering life-changing therapies to people living with rare diseases.
OpenGraph & Twitter Card
OpenGraph
Twitter Card