HTTP Headers Analysis for https://developer.nylas.com

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare NEL Monitoring

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=63072000; includeSubDomains; preload

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Present

camera=(), microphone=(), geolocation=(); +1 more

Recommendations

• Add Content-Security-Policy header to prevent XSS attacks

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

connection: close
transfer-encoding: chunked

Caching Headers

Cache-Control

Caching

public, max-age=0, must-revalidate

cache-control: public, max-age=0, must-revalidate

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

Access-Control-Allow-Origin

Cors

*

access-control-allow-origin: *

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f81ceb17e252720-IAD

Date

Other

Thu, 07 May 2026 17:05:04 GMT

Link

Other

URL /.well-known/api-catalog

rel=api-catalog

URL /.well-known/mcp/server-card.json

rel=mcp-server-card type=application/json

URL /.well-known/agent-skills/index.json

rel=agent-skills type=application/json

URL /docs/reference/api/

rel=service-doc

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=DLMLy63tQjpGClQv3s%2FpvgRZ7xcHqPXauihLHOVwj%2BOjGZokr8H6jHLXlcDh1hCF0ubBJeaoDqz8DbVWhgmSDxGPAqKuiTbD2kaLtyXXYysHt4BtU2GS1ZasPz7lFjRhWvgfcnC8

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=13,cfOrigin;dur=43

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f81ceb17e252720-IAD
date: Thu, 07 May 2026 17:05:04 GMT
link: </.well-known/api-catalog>; rel="api-catalog", </.well-known/mcp/server-card.json>; rel="mcp-server-card"; type="application/json", </.well-known/agent-skills/index.json>; rel="agent-skills"; type="application/json", </docs/reference/api/>; rel="service-doc", </docs/reference/ui/>; rel="service-doc", </docs/reference/notifications/>; rel="service-doc", </_spec-files/nylas-api.yaml>; rel="service-desc"; type="application/yaml", </llms.txt>; rel="describedby"; type="text/plain", </llms-full.txt>; rel="alternate"; type="text/markdown"
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=DLMLy63tQjpGClQv3s%2FpvgRZ7xcHqPXauihLHOVwj%2BOjGZokr8H6jHLXlcDh1hCF0ubBJeaoDqz8DbVWhgmSDxGPAqKuiTbD2kaLtyXXYysHt4BtU2GS1ZasPz7lFjRhWvgfcnC8"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=13,cfOrigin;dur=43

Recommendations

Enable compression (gzip/brotli) to improve performance