HTTP Headers Analysis for https://blog.feedly.com

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=15552000

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

same-origin

Permissions-Policy

Present

accelerometer=(), ambient-light-sensor=(), bluetooth=(); +25 more

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Significantly strengthen CSP directives

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

accept-ranges: bytes
connection: close

Caching Headers

Age

Caching

142252

Cache-Control

Caching

public, max-age=0, must-revalidate

Etag

Caching

"resources.f9ee4bfa4a.html"

age: 142252
cache-control: public, max-age=0, must-revalidate
etag: "resources.f9ee4bfa4a.html"

Content Headers

Content-Length

Content

55703

Content-Type

Content

text/html; charset=utf-8

content-length: 55703
content-type: text/html; charset=utf-8

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

9d2c00c87cfbd698-IAD

Date

Other

Tue, 24 Feb 2026 03:51:11 GMT

alt-svc: h3=":443"; ma=86400
cf-cache-status: HIT
cf-ray: 9d2c00c87cfbd698-IAD
date: Tue, 24 Feb 2026 03:51:11 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance