=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 308 Permanent Redirect
Date: Sat, 04 Dec 2021 02:16:03 GMT
Content-Type: text/html
Content-Length: 164
Connection: close
Location: https://www.mozilla.com/en-US/firefox/all-beta.html
X-Frame-Options: SAMEORIGIN
Content-Security-Policy: frame-ancestors 'none'

HTTP/1.1 301 Moved Permanently
Date: Sat, 04 Dec 2021 02:16:04 GMT
Content-Type: text/html
Content-Length: 162
Connection: close
Location: https://www.mozilla.org/en-US/firefox/all-beta.html
Strict-Transport-Security: max-age=60; includeSubDomains
X-Frame-Options: SAMEORIGIN
Content-Security-Policy: frame-ancestors 'none'

HTTP/1.1 301 Moved Permanently
Content-Type: text/html; charset=utf-8
Connection: close
Date: Sat, 04 Dec 2021 02:16:04 GMT
Location: /en-US/firefox/all/#product-desktop-beta
Expires: Sat, 04 Dec 2021 14:16:04 GMT
Cache-Control: max-age=43200
X-Backend-Server: bedrock-prod-web-64b9966c4-q6psg.mozmeao-fr
Strict-Transport-Security: max-age=15724800; includeSubDomains
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
X-Cache: Miss from cloudfront
Via: 1.1 fcdc790e9970e122cf39adadda463c14.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: NRT20-C4
X-Amz-Cf-Id: PW-_oMbeznBVolsCsHY24xw_SZlG9RCpgVi0TbA0_bEGXKWbZ764gw==

HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Content-Length: 1660229
Connection: close
Date: Sat, 04 Dec 2021 02:16:05 GMT
X-Frame-Options: DENY
Content-Security-Policy: default-src 'self' *.mozilla.net *.mozilla.org *.mozilla.com; style-src 'self' *.mozilla.net *.mozilla.org *.mozilla.com 'unsafe-inline' app.convert.com; frame-src 'self' *.mozilla.net *.mozilla.org *.mozilla.com www.googletagmanager.com www.google-analytics.com www.youtube-nocookie.com trackertest.org www.surveygizmo.com accounts.firefox.com accounts.firefox.com.cn www.youtube.com; img-src 'self' *.mozilla.net *.mozilla.org *.mozilla.com data: mozilla.org www.googletagmanager.com www.google-analytics.com adservice.google.com adservice.google.de adservice.google.dk creativecommons.org cdn-3.convertexperiments.com logs.convertexperiments.com images.ctfassets.net ad.doubleclick.net; script-src 'self' *.mozilla.net *.mozilla.org *.mozilla.com 'unsafe-inline' 'unsafe-eval' www.googletagmanager.com www.google-analytics.com tagmanager.google.com www.youtube.com s.ytimg.com cdn-3.convertexperiments.com app.convert.com data.track.convertexperiments.com 1003350.track.convertexperiments.com 1003343.track.convertexperiments.com; font-src 'self' assets.getpocket.com; child-src 'self' *.mozilla.net *.mozilla.org *.mozilla.com www.googletagmanager.com www.google-analytics.com www.youtube-nocookie.com trackertest.org www.surveygizmo.com accounts.firefox.com accounts.firefox.com.cn www.youtube.com; connect-src 'self' *.mozilla.net *.mozilla.org *.mozilla.com www.googletagmanager.com www.google-analytics.com logs.convertexperiments.com 1003350.metrics.convertexperiments.com 1003343.metrics.convertexperiments.com sentry.prod.mozaws.net https://accounts.firefox.com/ https://accounts.firefox.com.cn/
Cache-Control: max-age=600
Expires: Sat, 04 Dec 2021 02:26:05 GMT
X-Clacks-Overhead: GNU Terry Pratchett
X-Backend-Server: bedrock-prod-web-64b9966c4-gmvf2.mozmeao-fr
Strict-Transport-Security: max-age=15724800; includeSubDomains
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Vary: Accept-Encoding
X-Cache: Miss from cloudfront
Via: 1.1 a726e56df886b6f2c29569724696dd33.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: NRT20-C4
X-Amz-Cf-Id: MmQXoccCDS5K5lbBLx5MtxtEY7Gs8f-3dPd89JyUfe-TTVVjcOjK-g==

Request headers
================
HEAD /en-US/firefox/all/#product-desktop-beta HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: www.mozilla.org
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.