How many outgoing links are reasonable per page? Including the links in the sidebar and other page boxes.

How can you optimize the website which has millions of pages?

I hear a lot about duplicate content and the penalties for it. But I also see people taking content from one site and then republishing them in the other. What exactly is a duplicate content according to the search engine eyes?

Videos can promote anything right? Then why can't they promote article writing services.

Is it some kind of do not do or do not tell type of things.

What happens if two pages have the same physical address? How does Google's local search react to it?

Just created a banner an put in facebook. It just took me $50 and a week or so to generate fresh leads.

They have subscribed through their email. So, here is plan. Should I start with greetings email or engage with them following the incentive that made them subscribe in the first place.

If a user clicks on an page's affiliate link then will it lower its bounce rate?

BR is lowered if a user engages and clicks, right? So, if they click on the affiliate product and went to its page, then will it also lower the bounce rate?

An app after being made public gets a tons of downloads the first week and in the second week it falls to zero. Its not that the app has got bad reviews or people not liking it. Its in trend and there is no issue with the App store too. Then what shall be reason?

How long does it take for an expired domain to get ranked? I have bought one domain which is around 12 years old. It doesn't have any links in its profile nor neither it has a questionable history (I got it checked). I have put about 15 articles in it. Just wondering that how will it take.

I would like to know what it will be viewed from the pov of the search engines such as Google. Say, if two sites were present on the same server using the same ip addresses and targeting the same keyword.

Actually the situation here is I am already ranking with one site. Now, I cannot edit or re-enter more content in it. So, I figured if I publish it in a new site it will be pretty easy to rank, for the same keywords.