Hello Friend, I only know that black hat seo is harmful for our site , but i don't know the exact meaning of black hat seo.I want to know about that so friend please help me.
Black hat is essentially gaming the system; often utilizing unethical means to climb in the search engine rankings. This may include using automated software to spam blogs and other websites. Or it could be a number of different means to beat your competition.
Black hat means you've gone outside of google guidelines as stated here - http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=35769#3 the quality guidelines cover most of the main blackhat techniques - cloaking, hidden text and links,doorway pages
Alot of the black hat technique inc some mentioned here: hiddent text, cloaking, automated submissions etc are not tricks or cheats anymore. Google is clever and Google evolves, black hat methods like this will harm not help your rankings.
hehe~ if you want to be a real SEO,forget about that 'Blank hat'! maybe it can have effect very quickly ,but PUNISH is waiting for you !
They are the common blackhat techniques 1. Keywords Stuffing 2. Cloaking 3. Doorway Pages 4. Link Farming 5. Page Hijacking 6. Mirror Websites 7. Buying Expired Domains 8. Selling Page Rank
Black Hat search engine optimization is customarily defined as techniques that are used to get higher search rankings in an unethical manner. These black hat SEO techniques usually include one or more of the following characteristics: * breaks search engine rules and regulations * creates a poor user experience directly because of the black hat SEO techniques utilized on the Web site * unethically presents content in a different visual or non-visual way to search engine spiders and search engine users. A lot of what is known as black hat SEO actually used to be legit, but some folks went a bit overboard and now these techniques are frowned upon by the general SEO community at large. These black hat SEO practices will actually provide short-term gains in terms of rankings, but if you are discovered utilizing these spammy techniques on your Web site, you run the risk of being penalized by search engines. Black hat SEO basically is a short-sighted solution to a long-term problem, which is creating a Web site that provides both a great user experience and all that goes with that.