One my blog have lost its ranking. The keywords for which I was ranking in the first page of Google are now appearing in the 3rd page. What should I do? Ami got hit by any algorithm?
I don't think that you have got hit by any algorithm. As if it was the case then your urls won't be appearing on any page of the SERP's. Check your link profile it happens often that you may have lost any good link and that's why your rankings has fell.
I think you should recheck your back link and work on some quality work to regain those quality
clicks as well.
build quality back links, content marketing is best technique
Get your content right again, use correct keyword density and use long tail keywords as much as possible and then do lots of SEO for your web page.
Some of the basic task which rank your sites are
1 social bookmarking
2 image backlinks
3 Forum posting
4 Blog commenting
5 PPT submission
Some time due to fluctuations your ranking may be affected from it, but if you continously create backlinks then it will helpful to you to rank your website in search engine reults.
Some times keywords flucations will be happen ranking will go down for improving the ranking purpose you need to follow the seo on-page and off-page techniques.
You can also promote your blog on social media.
Lost of Ranking means you didn't get good back links. it means you are getting less influencing backlinks. Due to that you keywords are going back. To avoiding this you need to get good back links.