Black hat SEO is called as SEO (Search Engine Optimization) spamming. Black hat SEO is done by using wrong methods to promote a website in search engines. This is intended to gain high traffic whether it is relevant or irrelevant.
In black hat SEO, many techniques are used for increasing traffic -
- Many keywords are used in a web page, to increase keyword density in a web page. Through keyword density, web crawlers can crawl them for specific keywords.
- In Meta tags, adding extra keywords may increase the relevancy. This may improve traffic to a website.
Black Hat SEO is done for gaining high traffic and high rank in search engines. But when the search engines carefully analyse the sites, then such sites may be crashed.
White Hat SEO is the method to improve the rank of a site in Search Engine Result Pages (SERPs) through right and fair means. White Hat SEO requires a lot of times to show results, but once the appropriate results are achieved; its results last for long time. White Hat SEO includes the fair means of marketing to rank high in search engines like Google, Yahoo, Bing, MSN etc. White Hat SEO techniques are more helpful in making visible a website or an online business. White Hat SEO will get more links than Black Hat SEO, as this is done by fair means.
There is also another technique that is Gray Hat SEO, which is used to gain traffic, this is done not against the rules of search engines but it includes risk.