What are the important task, activities or core aspects of On-Page and Off-Page SEO?

[pharmasecure]

What are the important task, activities or core aspects of On-Page and Off-Page SEO?

[dennis123]

Hi Friends,
First do thorough keyword research, then have those keywords at prominent places on relevant pages. Optimize all the main pages, rather than just home page.
On-page SEO
Use:

unique and keywords-focused titles
unique precise meta description
keywords in URL
keywords in page content
keywords in image alt tags
keywords in anchor text

Avoid:

duplication of content
thin pages
black-hat SEO tactics
Create quality content

Start a blog
2. Off-page SEO
There can be many off-page SEO methods depending upon the site/market. Here are some commonly used techniques:

Social media marketing
Content marketing
Forum n blog comment postings
Niche and area-specific promotion
Submission to top paid resources
Guest postings

Avoid:

Creating low quality links
Spamming

[jayam]

On-page SEO focuses on optimizing parts of your website that are within your control, while off-page SEO focuses on increasing the authority of your domain through content creation and earning backlinks from other websites.

[dombowkett]

On-page SEO is performed one time while off-page SEO need regular promotion activities.