Source: http://www.semrush.com/blog/6-dumb-seo-questions-smart-seos-can-answer/
6 of the most common SEO questions have been answered.
Answering SEO questions
Q: Why is a website not getting indexed by Google?
A: Possible reasons include messed up robot.txt file, complicated site structure, and failure to submit a sitemap to Google.
Q: Does moving to HTTPS increase rankings?
A: On its own, it can’t but it can improve user experience especially for e-commerce sites (to protect private information).
Q: What must a national brand do to compete in local search?
A: Define your market and adjust your keywords accordingly. Use ccTLDs, schema markup for local, and local directories.
Q: How to relaunch a site without submitting a sitemap?
A: Keep the same structure and setup a proper redirection strategy. 404 or 410 old pages that won’t be redirected to the new pages. And make sure to tell users about the changes you’re doing.
Q: What link building methods should an e-commerce site use?
A: Create an FAQ page for your products. Add a blog and update it with tutorials and guide, and reviews from customers.
Q: Do you still recommend PBNs?
A: PBNs are not a good idea because it will get you Google slapped. It can give you immediate results but it will harm your site in the long run.