HTTP Headers Analysis for https://ntppool.net

Detected Technologies from Headers

See all in URL Inspect 5

Google Fonts

Report URI

Statuspage

Stripe

Varnish

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=63072000; includeSubDomains; preload

Content-Security-Policy

Basic

default-src; frame-ancestors; connect-src; +6 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

deny

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Present

origin-when-cross-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• Consider adding Permissions-Policy to control browser features

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

Vary

Performance

Accept-Encoding

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

Caching Headers

Age

Caching

1676

Cache-Control

Caching

s-maxage=1800,max-age=3600

Last-Modified

Caching

Tue, 15 Sep 2026 09:27:54 GMT

age: 1676
cache-control: s-maxage=1800,max-age=3600
last-modified: Tue, 15 Sep 2026 09:27:54 GMT

Content Headers

Content-Length

Content

33071

Content-Type

Content

text/html; charset=utf-8

content-length: 33071
content-type: text/html; charset=utf-8

Server Headers

Server

Combust/Plack (Perl)

server: Combust/Plack (Perl)

CORS Headers

Access-Control-Allow-Headers

Cors

HX-Request

Access-Control-Expose-Headers

Cors

HX-Redirect, TraceID, Request-ID

access-control-allow-headers: HX-Request
access-control-expose-headers: HX-Redirect, TraceID, Request-ID

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400

Date

Other

Tue, 15 Sep 2026 09:55:50 GMT

Nel

Other

Report-To Group default max-age: 52w

include subdomains

Report-To

Other

Group default max-age: 52w

Endpoint 1 https://ntppool.report-uri.com/a/t/g

Request-Id

Other

01M2J69W52P1WZ2W21Q09Z7W8T

Traceid

Other

3b2f8f588e7eaf6bbb22ef38fd38f521

Via

Other

1.1 varnish, 1.1 varnish

X-Backend

Other

dala-default

X-Backend-Front

Other

ssl_shield_dallas_tx_us

X-Cache

Other

HIT, HIT

X-Cache-Hits

Other

15, 1

X-City

Other

ashburn

X-Npv

Other

prod-2026.05.1-0-ga0ad9634-M (ntppool-b5cc7bf9-xbsm2)

X-Served-By

Other

cache-dfw-kdal2120073-DFW, cache-iad-kcgs7200076-IAD

alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
date: Tue, 15 Sep 2026 09:55:50 GMT
nel: {"report_to":"default","max_age":31536000,"include_subdomains":true}
report-to: {"group":"default","max_age":31536000,"endpoints":[{"url":"https://ntppool.report-uri.com/a/t/g"}],"include_subdomains":true}
request-id: 01M2J69W52P1WZ2W21Q09Z7W8T
traceid: 3b2f8f588e7eaf6bbb22ef38fd38f521
via: 1.1 varnish, 1.1 varnish
x-backend: dala-default
x-backend-front: ssl_shield_dallas_tx_us
x-cache: HIT, HIT
x-cache-hits: 15, 1
x-city: ashburn
x-npv: prod-2026.05.1-0-ga0ad9634-M (ntppool-b5cc7bf9-xbsm2)
x-served-by: cache-dfw-kdal2120073-DFW, cache-iad-kcgs7200076-IAD

Recommendations

Enable compression (gzip/brotli) to improve performance