Open Cached · just now
21 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=63072000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Add Content-Security-Policy header to prevent XSS attacks
  • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • Consider adding Permissions-Policy to control browser features

Performance Headers

2 headers
Connection
Performance
keep-alive
Vary
Performance
Accept-Encoding, User-Agent

Caching Headers

0 headers
No caching headers found

Content Headers

2 headers
Content-Length
Content
727141
Content-Type
Content
text/html; charset=UTF-8

Server Headers

1 headers
Server
Server
nginx

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
pcm_consent=analytical%3Dtrue%26countryCode%3DUS%26consentId%3D1c525c56-e40c-46d0-9cae-14967e2136cc%26consentedAt%3D2025-11-08T01%3A34%3A53.334Z%26expiresAt%3D2026-05-07T01%3A34%3A53.334Z%26implicit%3Dtrue%26marketing%3Dtrue%26regionCode%3DVA%26regulation%3Dnone%26legacyRegulation%3Dnone; Domain=.booking.com; Path=/; Expires=Sun, 08 Nov 2026 01:34:53 GMT; HttpOnly; Secure; SameSite=Lax

Other Headers

11 headers
Accept-Ch
Other
ECT
Date
Other
Sat, 08 Nov 2025 01:34:53 GMT
Nel
Other
{"report_to":"default","max_age":604800,"failure_fraction":0.1}
Report-To
Other
{"group":"default","endpoints":[{"url":"https://nellie.booking.com/report"}],"max_age":604800}
Server-Timing
Other
cdn-upstream-layer;desc="REC",cdn-upstream-dns;dur=0,cdn-upstream-connect;dur=1,cdn-upstream-fbl;dur=573,cdn-cache-miss,cdn-pop;desc="IAD61-P10",cdn-rid;desc="UQN0MbYY7Ef3aPZJ1oBKOcx_tSsylZFhWykXG5jw3ZXnxG_TVdNKGQ==",cdn-downstream-fbl;dur=611
Via
Other
1.1 9bce423254194c16408d5cf7234126e2.cloudfront.net (CloudFront)
X-Amz-Cf-Id
Other
UQN0MbYY7Ef3aPZJ1oBKOcx_tSsylZFhWykXG5jw3ZXnxG_TVdNKGQ==
X-Amz-Cf-Pop
Other
IAD61-P10
X-Cache
Other
Miss from cloudfront
X-Recruiting
Other
Like HTTP headers? Come write ours: https://careers.booking.com
X-Terms-Of-Service
Other
https://www.booking.com/content/terms.html

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

Analysis completed in 1095ms