The time SEO appear and the type of SEO

SEO gradually differentiate into two types of SEO behavior since around 1997:

The definition of Baidu on white hat and black hat SEO:

1、 One called "white hat SEO", this type of SEO has improvement function and played the role of website design specification to make them more user-friendly and search engine, and derive more reasonable traffic.

Search Engine encourage and support the "white hat SEO", in order to help the site to better carry out white hat SEO, we launched "Baidu search engine optimization guide", recommended by the guidelines to optimize the site, you can get better results.

2、 The other is called "black hat SEO", this type of SEO behavior make use of and amplify SEO Search Engine Strategies defect (perfect system actually does not exist) for more user traffic, which traffic is based on the cost of the damage the user experience, so when face of black hat SEO behavior, the search engine will stop this through a number of containment strategies.

The definition of Google on white hat and black hat SEO:

1、 Best Practices: White Hat SEO

These methods were designed for the visitor (rather than a higher position) to improve the site. Examples of good white hat method involves creating a well-organized, quality content, and add the good descriptive tags of previous unit. These methods are in line with Webmaster Guidelines. Your website needs to follow these guidelines can naturally get good rankings in Google search.

2、 Bad practice: Black Hat SEO
All methods which attempts to manipulate search engines to improve your site's ranking  are black hat methods which is illegal violation of our Webmaster Guidelines. Do not try to lift PageRank and manipulate Google search to purchase links to your site and put it on the Internet. These links may be called sponsored links or paid advertising, hidden in HTML or as optimized positioning element into the articles, reviews and footers. Please visit our program page to learn how to avoid such practices.