HTTP Headers Analysis for https://jwebthumb.sourceforge.net

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Weak

upgrade-insecure-requests Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Significantly strengthen CSP directives
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add X-Content-Type-Options: nosniff
• 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

max-age=60

Etag

Caching

"4c69dea8-4331"

Expires

Caching

Thu, 20 Aug 2026 08:42:43 GMT

Last-Modified

Caching

Tue, 17 Aug 2010 00:58:16 GMT

cache-control: max-age=60
etag: "4c69dea8-4331"
expires: Thu, 20 Aug 2026 08:42:43 GMT
last-modified: Tue, 17 Aug 2010 00:58:16 GMT

Content Headers

Content-Length

Content

17201

Content-Type

Content

text/html

content-length: 17201
content-type: text/html

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=76Ns5BXse8RH3l2MgV2GC5.qD7HqvvfDWG_Du5yFzRw-1787215302.9953403-1.0.1.1-dDGnEb47prwJ89TA_9PCqkZHooLqtiL3qLnoGX6SxCHq3Mcv9vvxQ5n9AjxLvXXfdGzdM0SoS8B9u4Aqfnf73QrE73Yw72Bw_xp.Mo0JZw30qEJ.UpBXGahGsas0DFg5; HttpOnly; SameSite=None; Secure; Path=/; Domain=sourceforge.net; Expires=Thu, 20 Aug 2026 09:11:43 GMT

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

a2e019bbb8c4c991-IAD

Date

Other

Thu, 20 Aug 2026 08:41:43 GMT

X-From

Other

sfp-staticweb-2

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: a2e019bbb8c4c991-IAD
date: Thu, 20 Aug 2026 08:41:43 GMT
x-from: sfp-staticweb-2

Recommendations

Enable compression (gzip/brotli) to improve performance