SEO stands for Search Engine Optimization. SEO is a process of improving your website to get quality and quantitative traffic. SEO helps in ranking your website on search...

There are no fixed timings for that, but make sure you pick the right and less competitive keywords for your website usually, it takes up to 2-3 months.

Make sure you pick relative keywords for your website

It depends on the blog content and the keywords difficulty which you choose. Do Good SEO on Your Website and Create High-Quality Backlinks

This might help you, [code text here](https://support.google.com/webmasters/thread/135935464?hl=en&msgid=135942748)

Yes, I agree with you. We should not make our content unnecessarily lengthier to rank.

Maybe last part of this answer could help you: https://support.google.com/analytics/answer/11053133?hl=en# A new way to represent conversion values In a Universal Analyti...

Content is king, keep publishing high quality content frequently. Results depends on your niche, competition, backlinks, authority, internal links, technical SEO, and som...

Sharing you URL makes it more easy to give advice.

I would suggest that any removed indexed page should have a 301 redirect. If there's no proper page to link to, link to the homepage.