Types of Seo Professionals

White Hat SEO
These are a group of Seo
professionals who use search
engine optimization techniques that are approved by the search engines.
These types of SEO’s work as per the guidelines issued by the search engines.
Some of the techniques used by white hat Seo
professionals are as follows:-

1. Using 301
   redirects to get a single url for achieving popularity.
2. Building quality links for their site
   without using spammy methods.
3. Improving the site structure and
   accessibility of the website.
4. Improving the loading time of the
   website.
5. Building quality content that serves the
   users need.
6. Avoiding the use of hidden text.
7. Avoiding the use of Hidden links.
8. Not participating in link farms or
   reciprocal link exchanges.
9. Maintaining the quality of the site by
   adding fresh new content and removing stale content.
10. Adding  sitemap.html
    and sitemap.xml to increase the crawlability of the site.

Black Hat SEO
These are a group of Seo professionals who use spammy
techniques that are not approved by the search engines. These types of SEO’s
ignore the guidelines issued by the search engines. Some of the techniques used
by Black hat Seo professionals are as follows:-

1. Using hidden text and hidden links.
2. Deceiving search engine crawlers by the
   method of cloaking.
3. Creating content farms that serves no
   real purpose.
4. Using excessive redirects.
5. Participating in heavy reciprocal link
   exchanges.
6. Linking to bad neighborhood.

Grey Hat SEO
These are a group of Seo professionals who use a mix
of both White
hat and black hat Seo techniques
to increase search engine visibility.