Which forum script do you like to use the most? and why?

I had been blogging since five years from now. Now, I am thinking about started a new forum in my site which is running along with my blog. But there is a problem regarding my new forum. As I ask my readers to join the forum many of them don't even visit the forum and some of them who do visit it. They didn't sign up. I was just wondering that those visitors are my regular loyal readers then why they do this? If anybody will give any suggestion regarding this then it will be very helpful.

How can i make GA stop counting my own visit??

In my webmaster tools under robots.txt tester of Crawl option. I am getting a warning of Crawl-delay: 3600. What should i do??

As soon as we type any word in the search bars of Google or bing they show some keywords related to it, as suggestions to autocomplete. My query is that why we don't see those exact keyword when we search in the keyword planner tool as suggestions? Why is the difference??

How can i make blog indexing process in google faster? Every time I make an update in my blog (wordpress free blog), google takes 7-8 days to index it. How can i make the process faster?

Which is more effective Google plus or youtube?? Which will effect your SERP's more and which one do you use for promotion?

After the recent announcement from Google about changing http to https, which will be ranking factor according to them. What do you think about it?? Will it effect the SEO Industry??

how much words is compulsory in a reliable blog, please share some valuable information ?

which is the best method of content marketing for lead generation purpose, please share some valuable tips ?