HTTP Headers Analysis for https://www.reddit.com

Detected Technologies from Headers

See all in URL Inspect 1

Varnish

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31536000; includeSubdomains

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Add Content-Security-Policy header to prevent XSS attacks
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

accept-ranges: bytes
connection: close

Caching Headers

Cache-Control

Caching

private, no-store

cache-control: private, no-store

Content Headers

Content-Length

Content

190240

Content-Type

Content

text/html

content-length: 190240
content-type: text/html

Server Headers

Server

snooserv

server: snooserv

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: edgebucket=kf2ivU297hai9r3Pwj; Domain=reddit.com; Max-Age=63071999; Path=/;  secure

Other Headers

Date

Other

Sat, 21 Feb 2026 05:01:55 GMT

Nel

Other

{"report_to": "w3-reporting-nel", "max_age": 14400, "include_subdomains": false, "success_fraction": 1.0, "failure_fraction": 1.0}

Report-To

Other

{"group": "w3-reporting-nel", "max_age": 14400, "include_subdomains": true, "endpoints": [{ "url": "https://w3-reporting-nel.reddit.com/reports" }]}, {"group": "w3-reporting", "max_age": 14400, "include_subdomains": true, "endpoints": [{ "url": "https://w3-reporting.reddit.com/reports" }]}, {"group": "w3-reporting-csp", "max_age": 14400, "include_subdomains": true, "endpoints": [{ "url": "https://w3-reporting-csp.reddit.com/reports" }]}

Retry-After

Other

0

Via

Other

1.1 varnish

date: Sat, 21 Feb 2026 05:01:55 GMT
nel: {"report_to": "w3-reporting-nel", "max_age": 14400, "include_subdomains": false, "success_fraction": 1.0, "failure_fraction": 1.0}
report-to: {"group": "w3-reporting-nel", "max_age": 14400, "include_subdomains": true,  "endpoints": [{ "url": "https://w3-reporting-nel.reddit.com/reports" }]}, {"group": "w3-reporting", "max_age": 14400, "include_subdomains": true, "endpoints": [{ "url": "https://w3-reporting.reddit.com/reports" }]}, {"group": "w3-reporting-csp", "max_age": 14400, "include_subdomains": true, "endpoints": [{ "url": "https://w3-reporting-csp.reddit.com/reports" }]}
retry-after: 0
via: 1.1 varnish

Recommendations

Enable compression (gzip/brotli) to improve performance