That will surely get penalized as it is nothing but keyword stuffing one time in the url is enough and using it more than once doesnt have any extra effect

There is no point to implement such a redundant URL structure. It's over-optimization, and it could be bad for your site, even though this isn't ordinary keyword stuffing...

Do your site contain sitemap.xml? Are these pages really unique? How long it's been since you added them? There are few reasons for pages not being indexed, we'd need to...

You don't really need the 303 redirect. 303 - See other (from RFC 7231) The 303 (See Other) status code indicates that the server is redirecting the user agent to a diff...

I don't think it's so easy actually. You'd want to keep track of www.example.com even if you don't use it. At least for the data provided - backlinks etc. You can't see t...

It depends... Is your website entirely on https? Then use https. Do you use www? Then use www.

@priyaverma so what's the point of your post? Do you prefer subdomain or a brand new domain?

they decided to hire an in-house marketing manager, who is insisting that we move the newer domain (www.companynameseparateproduct.com) to become a subdomain on their ori...

I try to keep it simple. Too much of analytics tools makes me overloaded with data that I can't really use, and it takes so much time to actually analyze all the data to...

SEO Forum uses Let's encrypt as well. It's just pretty common solution these days, and it works for 99% of websites. I don't think there is anything wrong about LE certif...