HTTP Headers Analysis for https://flexmls.com

Detected Technologies from Headers

See all in URL Inspect 1

Varnish

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Missing

Not configured 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
• Add Content-Security-Policy header to prevent XSS attacks
• 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

Vary

Performance

Accept-Encoding

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

Caching Headers

Age

Caching

118

age: 118

Content Headers

Content-Length

Content

101534

Content-Type

Content

text/html; charset=UTF-8

content-length: 101534
content-type: text/html; charset=UTF-8

Server Headers

No server headers found

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Thu, 30 Apr 2026 18:29:27 GMT

Link

Other

URL https://flexmls.com/wp-json/

rel=https://api.w.org/

URL https://flexmls.com/wp-json/wp/v2/pages/5

rel=alternate title=JSON type=application/json

URL https://flexmls.com/

rel=shortlink

Via

Other

1.1 varnish (Varnish/6.0), 1.1 varnish

X-Cache

Other

HIT, MISS, MISS

X-Cache-Hits

Other

0, 0

X-Request-Id

Other

69F39F87-3EACBC-29CA564

X-Served-By

Other

cache-iad-kiad7000091-IAD, cache-iad-kiad7000145-IAD

X-Timer

Other

S1777573767.485457,VS0,VE196

date: Thu, 30 Apr 2026 18:29:27 GMT
link: <https://flexmls.com/wp-json/>; rel="https://api.w.org/", <https://flexmls.com/wp-json/wp/v2/pages/5>; rel="alternate"; title="JSON"; type="application/json", <https://flexmls.com/>; rel=shortlink
via: 1.1 varnish (Varnish/6.0), 1.1 varnish
x-cache: HIT, MISS, MISS
x-cache-hits: 0, 0
x-request-id: 69F39F87-3EACBC-29CA564
x-served-by: cache-iad-kiad7000091-IAD, cache-iad-kiad7000145-IAD
x-timer: S1777573767.485457,VS0,VE196

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching