250 articles in a blog?
Have you do both SEO off and on pages for each article which you want to rank at Google?
Have you generate traffic from other sites toward your blog?
Only updating content is not enough, you need to think about traffic.
After you get loads of traffic, then you think about how to monetize your blog.
Yes Using social signals also. I think I cant share link here ? I am new I cant Send PM to any one