=== HTTP code : 200 ===

Response headers
================
HTTP/2 302 
content-type: text/html; charset=utf-8
cache-control: pre-check=0, no-store, private, no-cache, max-age=0, post-check=0, must-revalidate, max-stale=0
x-frame-options: SAMEORIGIN
location: /static/upgrade-your-browser/
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set-cookie: ud_cache_version=c4ca4238a0b92382; expires=Mon, 15-Apr-2019 11:41:16 GMT; Max-Age=1800; Path=/
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set-cookie: ud_cache_brand=7815696ecbf1c96e; expires=Mon, 15-Apr-2019 11:41:16 GMT; Max-Age=1800; Path=/
set-cookie: ud_cache_release=d9a4a8927d3b87a0; expires=Mon, 15-Apr-2019 11:41:16 GMT; Max-Age=1800; Path=/
set-cookie: checkout_feedback_message=&quot;&quot;; expires=Thu, 01-Jan-1970 00:00:00 GMT; Max-Age=0; Path=/
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set-cookie: ud_credit_last_seen=&quot;&quot;; expires=Thu, 01-Jan-1970 00:00:00 GMT; Max-Age=0; Path=/
set-cookie: checkout_feedback_message_type=&quot;&quot;; expires=Thu, 01-Jan-1970 00:00:00 GMT; Max-Age=0; Path=/
strict-transport-security: max-age=31536000; includeSubDomains
access-control-allow-credentials: true
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
access-control-allow-headers: Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Requested-With
access-control-expose-headers: Authorization
x-content-type-options: nosniff
x-xss-protection: 1; mode=block
x-permitted-cross-domain-policies: master-only
set-cookie: seen=1;Path=/;Max-Age=1800
fastly-restarts: 1
accept-ranges: bytes
age: 0
accept-ranges: bytes
date: Mon, 15 Apr 2019 11:11:16 GMT
via: 1.1 varnish
age: 0
set-cookie: _pxCaptcha=; Expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/;
x-served-by: cache-mia17632-MIA
x-cache: MISS
x-cache-hits: 0
vary: Cookie
surrogate-key: 
content-length: 0

HTTP/2 200 
content-type: text/html; charset=utf-8
x-frame-options: SAMEORIGIN
cache-control: no-cache, pre-check=0, private, max-stale=0, max-age=0, post-check=0, must-revalidate, no-store
set-cookie: eva=&quot;&quot;; expires=Thu, 01-Jan-1970 00:00:00 GMT; Max-Age=0; Path=/
set-cookie: udmy_branded_partner=&quot;&quot;; expires=Thu, 01-Jan-1970 00:00:00 GMT; Max-Age=0; Path=/
set-cookie: ud_cache_campaign_code=7815696ecbf1c96e; expires=Mon, 15-Apr-2019 11:41:16 GMT; Max-Age=1800; Path=/
set-cookie: ud_credit_unseen=&quot;&quot;; expires=Thu, 01-Jan-1970 00:00:00 GMT; Max-Age=0; Path=/
set-cookie: ud_cache_price_country=7516fd43adaa5e0b; expires=Mon, 15-Apr-2019 11:41:16 GMT; Max-Age=1800; Path=/
set-cookie: ud_credit_last_seen=&quot;&quot;; expires=Thu, 01-Jan-1970 00:00:00 GMT; Max-Age=0; Path=/
set-cookie: ud_cache_version=c4ca4238a0b92382; expires=Mon, 15-Apr-2019 11:41:16 GMT; Max-Age=1800; Path=/
set-cookie: checkout_feedback_message_type=&quot;&quot;; expires=Thu, 01-Jan-1970 00:00:00 GMT; Max-Age=0; Path=/
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set-cookie: checkout_feedback_message=&quot;&quot;; expires=Thu, 01-Jan-1970 00:00:00 GMT; Max-Age=0; Path=/
set-cookie: ud_cache_release=d9a4a8927d3b87a0; expires=Mon, 15-Apr-2019 11:41:16 GMT; Max-Age=1800; Path=/
set-cookie: inaff=&quot;&quot;; expires=Thu, 01-Jan-1970 00:00:00 GMT; Max-Age=0; Path=/
set-cookie: ud_cache_brand=d6cd71d60abb9196; expires=Mon, 15-Apr-2019 11:41:16 GMT; Max-Age=1800; Path=/
set-cookie: __udmy_evid=&quot;&quot;; expires=Thu, 01-Jan-1970 00:00:00 GMT; Max-Age=0; Path=/
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set-cookie: ud_cache_user=d41d8cd98f00b204; expires=Mon, 15-Apr-2019 11:41:16 GMT; Max-Age=1800; Path=/
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set-cookie: __udmy_2_v57r=6b700cb4692345d0a7565c0bf1642351; Domain=.udemy.com; expires=Tue, 14-Apr-2020 11:11:16 GMT; Max-Age=31536000; Path=/; Secure
strict-transport-security: max-age=31536000; includeSubDomains
access-control-allow-credentials: true
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
access-control-allow-headers: Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Requested-With
access-control-expose-headers: Authorization
x-content-type-options: nosniff
x-xss-protection: 1; mode=block
x-permitted-cross-domain-policies: master-only
set-cookie: seen=1;Path=/;Max-Age=1800
fastly-restarts: 1
accept-ranges: bytes
age: 0
accept-ranges: bytes
date: Mon, 15 Apr 2019 11:11:16 GMT
via: 1.1 varnish
age: 0
set-cookie: _pxCaptcha=; Expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/;
x-served-by: cache-mia17629-MIA
x-cache: MISS
x-cache-hits: 0
vary: Cookie, Accept-Encoding
surrogate-key: 
content-length: 69157

Request headers
================
HEAD /static/upgrade-your-browser/ HTTP/2
Host: www.udemy.com
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Accept: */*
Referer: https://itxdesign.com
Connection: close


Link is valid.