First party pixel redirect

Job ID: 33393240

Budget: $10 – $30 USD

so let's say we have two domains a .com and b.com
b.com holds my API code, a.com calls b.com and b.com puts a cookie in user local
now based on new updates which will eventually all browsers will follow. they will not accept 3rd party cookies
we are trying to do cname redirecting so we need mock.a.com to serve the cookie
Related categories: SEO Google Webmaster Tools WEBDEV