HTTP Headers Analysis for https://alkermes.com

Detected Technologies from Headers

See all in URL Inspect 1

ASP.NET

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Weak

frame-ancestors Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Present

origin

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Significantly strengthen CSP directives
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

connection: close

Caching Headers

Cache-Control

Caching

no-cache,Cache-Control: public, max-age=604800

Expires

Caching

-1

Pragma

Caching

no-cache

cache-control: no-cache,Cache-Control: public, max-age=604800
expires: -1
pragma: no-cache

Content Headers

Content-Length

Content

35750

Content-Type

Content

text/html; charset=utf-8

content-length: 35750
content-type: text/html; charset=utf-8

Server Headers

X-Aspnetmvc-Version

Server

5.2

x-aspnetmvc-version: 5.2

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Tue, 17 Feb 2026 07:51:34 GMT

Feature-Policy

Other

geolocation 'self'

date: Tue, 17 Feb 2026 07:51:34 GMT
feature-policy: geolocation 'self'

Recommendations

Enable compression (gzip/brotli) to improve performance