HTTP Headers Analysis for https://app-static.rainviewer.com

Detected Technologies from Headers

See all in URL Inspect 1

Nginx

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Weak

frame-ancestors Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin

Permissions-Policy

Present

geolocation=(self), fullscreen=(self)

Recommendations

• Significantly strengthen CSP directives
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

Vary

Performance

Accept-Encoding

accept-ranges: bytes
connection: close
vary: Accept-Encoding

Caching Headers

Cache-Control

Caching

no-cache, public

Etag

Caching

"69d5bf09-1b3"

Expires

Caching

Thu, 01 Jan 1970 00:00:01 GMT

Last-Modified

Caching

Wed, 08 Apr 2026 02:35:53 GMT

cache-control: no-cache, public
etag: "69d5bf09-1b3"
expires: Thu, 01 Jan 1970 00:00:01 GMT
last-modified: Wed, 08 Apr 2026 02:35:53 GMT

Content Headers

Content-Length

Content

435

Content-Type

Content

text/html

content-length: 435
content-type: text/html

Server Headers

Server

nginx

server: nginx

CORS Headers

Access-Control-Allow-Origin

Cors

https://user-admin.rainviewer.com

access-control-allow-origin: https://user-admin.rainviewer.com

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Tue, 01 Sep 2026 09:05:04 GMT

date: Tue, 01 Sep 2026 09:05:04 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance