Domain History

fronius.ee

Grade A+ · 90/100 · 5/6 security headers present

Security Score

A+

90/ 100

Security Headers

5/ 6

CSP Violations

NoViolations

Issues Found

0Issues

Recommendations

0Available

CSP Analysis

Content Security PolicyHIGH

frame-ancestors 'self' *.fronius.com *.facebook.com

Directive Analysis

frame-ancestorsLOW

*.facebook.com *.fronius.com 'self'

•Missing recommended values for frame-ancestors: self, none

Security Headers

✓Permissions-PolicyPresent

accelerometer=(self "https://*.fronius.com"), autoplay=(self "https://*.fronius.com"), camera=(self "https://*.fronius.com"), cross-origin-isolated=(self "https://*.fronius.com"), display-capture=(self "https://*.fronius.com"), document-domain=(self "https://*.fronius.com"), encrypted-media=(self "https://*.fronius.com"), fullscreen=(self "https://*.fronius.com"), geolocation=(self "https://*.fronius.com"), gyroscope=(self "https://*.fronius.com"), keyboard-map=(self "https://*.fronius.com"), magnetometer=(self "https://*.fronius.com"), microphone=(self "https://*.fronius.com"), midi=(self "https://*.fronius.com"), payment=(self "https://*.fronius.com"), picture-in-picture=(self "https://*.fronius.com"), publickey-credentials-get=(self "https://*.fronius.com"), screen-wake-lock=(self "https://*.fronius.com"), sync-xhr=(self "https://*.fronius.com"), usb=(self "https://*.fronius.com"), web-share=(self "https://*.fronius.com"), xr-spatial-tracking=(self "https://*.fronius.com")

Restricts which browser features (camera, microphone, geolocation) the page can use, limiting attack surface.

✓Referrer-PolicyPresent

strict-origin-when-cross-origin

Controls how much referrer information is sent with requests, preventing data leaks to third parties.

✓Strict-Transport-SecurityPresent

max-age=16070400; includeSubDomains

Forces browsers to use HTTPS for all future requests, preventing man-in-the-middle attacks and SSL stripping.

✓X-Content-Type-OptionsPresent

nosniff

Prevents browsers from MIME-sniffing responses away from the declared Content-Type, blocking drive-by downloads.

✓X-Frame-OptionsPresent

DENY

Prevents the page from being embedded in iframes, protecting against clickjacking attacks.

✗X-XSS-ProtectionMissing

Legacy XSS filter for older browsers. Modern browsers use CSP instead. Set to "0" to avoid false positives.

How to add it:

nginx

add_header X-XSS-Protection "0" always;

apache

Header always set X-XSS-Protection "0"

cloudflare

Rules > Transform Rules > HTTP Response Header Modification > Set X-XSS-Protection to "0"

1 recommended security header is missing on fronius.ee.

Beyond headers: infrastructure exposure

via OSN, our sister project

Security headers protect the browser. OSN maps what's exposed underneath — servers, open ports, known CVEs, DNS and WHOIS.

See what the internet sees about fronius.eeWeak headers often come with other exposure — check the full picture.

See full exposure report on OSN →Free, no signup.

fronius.ee

2 scans since 7/18/2025

A+

Latest: 90/100

Total Scans

Latest Score

90/100

First Scan

7/18/2025

Last Scan

7/18/2025

Scan History

Date	Score	CSP	Headers	Issues	Action
Jul 18, 2025	A+ (90)	No	5/6	0	View →

Show off your security grade

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HeaderTest security grade: A+ (90/100) for fronius.ee

HTML

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Markdown

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