what is latest technique in SEO?

The best on page and off page techniques are:

1. On page:
Keyword research
Meta tags and title
Meta description
Robots.txt file
Sitemap generation
Content development
Image optimization

2. Off page:
Guest posting
Article submission
Press release submission
Social bookmarks
Classified ads
Infographics submission
Social media optimization
Search engine optimisation is a great technique to make your website easily searchable. You need to research the keyword properly which is mostly searched by the people over a typical period of time. It is the best way to improve the traffic on your website.
SEO techniques improve day by day as people are getting aware of more facts about the Google search engine. Now, keywords, meta tags, and meta descriptions are used for seo purposes along with catchy images in the content as well. Am I right?
I think it's constantly changing. SEO it's a very hard thing cause there is no limitation and own strategy it's totally dependent on search engine algorithm.
In the SEO world, auditing is a growth hacking technique that will help you attract and retain customers. An SEO audit means you're closely examining your overall site performance, setting new goals based on what you find, and implementing tactics to reach those goals.