Which SEO activity is help to website ranking in search engine?

SEO activities helps to boost your websites

first thing make sure your onpage is perfect and write unique content and make do-follow backlinks with 30+ DA PA websites which is related to your services.

for local search also update local business.
On page factor.
content is king so CMS is more important for website.

Here are the some activities through get ranking in search engine..
Need to do proper keyword research
Perfect your on-page SEO
Use your keywords to create great content
Build links the right way

I agree with Gangadhar, contents which you will write with your own perspective will make your website more prominent and trustworthy which will result in god rankings.

See below SEO activities that help to boost your search engine ranking:

-Write Unique Content
Unique content is important too. You need to provide content that has different information than what is on other sites and other Web pages.Great content is where it all starts. You can have all the keywords in the world, but if your content is no good, people won't stick around on your site and search engines won't find your site valuable.

Good Day Dhanu Singh,
A good source of SEO education can be found at Marketers Braintrust.

All type submissions like, bookmarking, Classified, micro blog, external blog… etc helping for the website rank.

The most important thing is that to build authorized backlinks.

1. Onpage SEO is most import for ranking
2. Quality backlinks with same authority sites.
3. Social media share
4. Guest blogging

Try these

Classifieds
web 2.0
Bookmarking
Question & Ans
guest posting
Blog
PR
Article
Forum
Blog Commenting
Profile Creations
images sharing
Document Sharing
pdf
ppt share
Podcast
Video Sharing
infographic
Business Listing

I Fill All SEO activity are important for example :
1. Content marketing
2. On page change
3. off page activity
4. social media

Content marketing is a most important SEO activity to create quality backlinks which help to website ranking in search engine.

guest posting, blog posting, article posting and go with social media post

On Page must be required & Off-Page: Press Release, Article and Guest Posting.!

one of the best option is google which can helps for getting traffic.

Social Media Sharing

Google algorithms are changing rapidly. According to search engine guidelines following strategies help you to rank.
1. Onpage SEO
2. Guest Blogging
3. Social Media Sharing

The simple answer is that you need to make sure that Google “receives” the right signals from your page to optimize it, but this is not always easy.

A thin line separates optimization and over-optimization. Optimization is good, as it will increase the page’s rankings, while over-optimization is bad, as it can generate exactly the opposite results.
Let’s see how you can optimize a page for a keyword and improve its rankings in an efficient way by avoiding over-optimization mistakes.

1)

There are many way to increase website ranking. For Increase website ranking you should try to do on-page and off-page activity also I would suggest you SMM and Email marketing. In this On-page activity,
1) Website need to be optimize
2) Check Image alt tag is proper
3) RSS feed
4) meta title and description is the mail role for SEO
4) website loading speed

Off page activity,
1) Article submission( content should be related to your services)
2) PR submission ( Publish website news and announ