seo work is good to get back link also by using link method.seo is increase web page rank and traffic.Link building methods are very important to build our website traffic and good back links.

two types of SEO
1. on page-on page work on meta tags
2.off page-off Page some tools and methods used to increase the ranking and traffic of a site.

online marketing is most important your business marketing.online marketing is the way to promote your product and site either online or not.online marketing's most important for marketing your website.online marketing help of your business.

there are many seo tools :
1.similar page checker
2.search engine spider simulator
3.back link anchor text analysis.
4.redirect check
5.domain age tools
6.key word suggestion tools
7.web site keyword suggestion tools.