SEO is a Search Engine Optimization. It is the process to improve the visibility of a website on (SERP) Search Engines Results Page. SEO helps to find your website on the top pages in millions of other websites on Search Engines. If you want lots of traffic on your website, then SEO is important. SEO helps to build high quality of backlinks for your website that increase keywords ranking on Google.
There are 6 phases in SEO process.
1)- Keyword Research
2)- planning and strategy
In On-Page Optimization:- First of all, you have added fresh content to website on every page. You need to make changes in meta title, meta description, heading tags, Proper URL Structures, putting keywords in every post, ALT tag on Images (So that search engines crawl images), checking broken links, submitting sitemap and robots.txt file.
In Off-Page Optimization:- You need to make high quality of backlinks to boost traffic on your website. You need to post your website links on article submission, local business listing sites, classified sites, social bookmarking sites, blog commenting, document sharing, Image sharing, Ping submission, search engine submission, press release, forum discussion, video sharing, Social Networking sites etc.