I am partially agree with @Djohnavid021. Besides the options you mentioned, there are many other options where content can be re-published. For example, medium.com, linke...

You've decided to write an article and submit it to multiple directories. The problem is, these sites will reject your submission if it has plagiarized content. To avoid...

Please check if it helps, https://raventools.com/site-auditor/seo-guide/schema-structured-data/

Nicely covered the topic.

Informative!

The first reason for any site’s rise in this spam score is due to spammy links and if your site has less-quality backlinks, then there is a chance of a high spam score on...

100% right. If you don't have a large number of such links, don't worry about such links.

Provide a link to your website. The absolute basis is a fast and optimal website with well-written texts.

This link might help you, https://moz.com/blog/new-website-seo-strategy

I just checked with few keywords and found blogspot.com blogs are ranking in Google. If your blog on blogspot.com is not ranking then just optimize it in better way for s...