HTTP Headers Analysis for https://centurylink.net

Detected Technologies from Headers

See all in URL Inspect 3

Nginx

Taboola

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

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding, Accept-Encoding, User-Agent

accept-ranges: bytes
connection: close
transfer-encoding: chunked
vary: Accept-Encoding, Accept-Encoding, User-Agent

Caching Headers

Age

Caching

0

age: 0

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

nginx

server: nginx

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: privacyInfo=%7B%22jurisdiction%22%3A%7B%22country%22%3A%22US%22%2C%22state%22%3A%22IL%22%7D%2C%22gpc%22%3Afalse%7D; Expires=Mon, 10 Apr 2028 02:11:53 GMT
privacyInfoChanged=1; Expires=Mon, 10 Apr 2028 02:11:53 GMT
abtestp25Ctl=p25Variant; Path=/; Expires=Mon, 29 Jun 2026 00:00:00 GMT

Other Headers

Date

Other

Sat, 11 Apr 2026 02:11:53 GMT

Link

Other

URL https://tesseract.imds-cdn.com/tesseract.js

rel=preload as=script

URL

https://cdn.taboola.com/libtrc/synacor-network1/loader.js

rel=preload as=script

URL https://sadlib.imds-cdn.com/client/synacor/synacor.js

rel=preload as=script

Via

Other

1.1 varnish

X-Varnish

Other

119290340

date: Sat, 11 Apr 2026 02:11:53 GMT
link: <https://tesseract.imds-cdn.com/tesseract.js>; rel=preload; as=script, <https://cdn.taboola.com/libtrc/synacor-network1/loader.js>; rel=preload; as=script, <https://sadlib.imds-cdn.com/client/synacor/synacor.js>; rel=preload; as=script
via: 1.1 varnish
x-varnish: 119290340

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching