HTTP Headers Analysis for https://htmlcsstoimage.com

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare NEL Monitoring

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=2592000

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

Present

same-origin

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
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding

connection: close
transfer-encoding: chunked
vary: Accept-Encoding

Caching Headers

No caching headers found

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: hcti-htmx-csrf=CfDJ8ALWWx_GmdZCpOpGmEHlszKCGUnzLTv_yJXzKFPWYd5XC1A5LzHMCnbYvmHQ_7R02_p6G476hs-O2OFFQxjjN9mYIPvAgvk5MScwGUxxrChmvNR3n511t82gXVaMghGuAqL8mJnabUtu9r9uneWzq9A; path=/; secure; samesite=strict

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Blazor-Enhanced-Nav

Other

allow

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f2e7fd188ead6a5-IAD

Date

Other

Mon, 27 Apr 2026 14:25:55 GMT

Link

Other

URL https://htmlcsstoimage.com/.well-known/api-catalog

rel=api-catalog type=application/linkset+json profile=https://www.rfc-editor.org/info/rfc9727

URL https://docs.htmlcsstoimage.com/

rel=service-doc type=text/html title=Documentation

Nel

Other

Report-To Group cf-nel max-age: 1w

success: 0.0%

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=ZmARm2RkTmweAYCx2VQWH1CiS7HQN8ONTwt4ad5Vvdijs1GrcKHS%2FDnyNLKrKSpNSp%2BncV0fByZ8Vg%2BOl0Tv%2BL8jKOYI9iORAxZGC6sAmFgl6sliKFDJO7qEkkM7w6j8RRD3eg%3D%3D

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=37,cfOrigin;dur=16

Speculation-Rules

Other

"/cdn-cgi/speculation"

alt-svc: h3=":443"; ma=86400
blazor-enhanced-nav: allow
cf-cache-status: DYNAMIC
cf-ray: 9f2e7fd188ead6a5-IAD
date: Mon, 27 Apr 2026 14:25:55 GMT
link: <https://htmlcsstoimage.com/.well-known/api-catalog>; rel="api-catalog"; type="application/linkset+json"; profile="https://www.rfc-editor.org/info/rfc9727", <https://docs.htmlcsstoimage.com/>; rel="service-doc"; type="text/html"; title="Documentation"
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=ZmARm2RkTmweAYCx2VQWH1CiS7HQN8ONTwt4ad5Vvdijs1GrcKHS%2FDnyNLKrKSpNSp%2BncV0fByZ8Vg%2BOl0Tv%2BL8jKOYI9iORAxZGC6sAmFgl6sliKFDJO7qEkkM7w6j8RRD3eg%3D%3D"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=37,cfOrigin;dur=16
speculation-rules: "/cdn-cgi/speculation"

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching