The seo industry has exploded right into a multi-billion dollar market, creating probably the most cut-throat sectors ahead from the dot com boom.
Because of the fierce competition in the market, some seo firms began using tactics that the various search engines have called "black-hat", or "illegal", in the internet search engine world. The serach engines have all issued rules and guidelines listing a number of these black-hat tactics. Failure to adhere to these guidelines will likely allow you to get de-indexed, or worse, banned from the various search engines.
Generally, black-hat may be the "intentional deception of se's" to get ranking or popularity browsing engine listings. Remember, most of the tactics discussed below have valid and legitimate uses.
Keyword stuffing may be the mostly abused tactic currently. Keyword stuffing may be the intentional overuse of a specific term or phrase hoping of achieving higher search engine ranking positions for that term or phrase. The simplest way to avoid that is to fill your page with text that has been written naturally , nor over use your target phrase. Often keyword stuffing results in sentences sounding funny or awkward. Many cases of keyword stuffing appear in the bottom of a website with a term or phrase repeated again and again, or with slight variations to the word.
Hidden text is setting the colour of text exactly like the backdrop of a webpage. Additionally, this could be found in conjunction with keyword stuffing. Insurance firms your text and background exactly the same color, the written text or repeating phrases is invisible to human visitors however, not internet search engine bots. Se's now search for the colour of the written text and compare it to the colour of the backdrop. Some webmasters develop a colored image and set it because the background to the page in order to avoid being detected; this plan does circumvent the various search engines, because they are unable to tell the colour of a graphic, however, your competition will undoubtedly be quick to report one to the various search engines should they find you're by using this strategy.
Clocking, in a nutshell, is intentionally displaying different information to human visitors than to find engines. There are many means of cloaking content, rather than all have already been determined "black-hat". A reasonably reliable method of measuring black-hat verses white-hat cloaking would be to consider, "am I intentionally attempting to trick the various search engines?" Can you be ready to share you tactics with the various search engines themselves? Black-hat cloaking is wonderful for a short while, however, you run a higher threat of having your domain banned permanently.
Doorway pages are "landing" pages put into an internet site to specifically target a keyword or phrase. Often these doorway pages haven't any value to visitors and only exist to fully capture the eye of se's. Doorway pages are usually made up of software and/or put into an internet site automatically.
Redirect pages have several white-hat purposes, however, when used as a black-hat tactic - often coupled with doorway pages - they serve as a red flag to find engines. Redirect pages have a visitor in one page to some other automatically. For instance, a redirect page could send a visitor from the doorway page (with little if any valuable content) to a sale page with something or newsletter signup.
While this is simply not often used, it had been popular for a long time and has a right to be mentioned. When affiliate programs were first gaining in popularity, webmasters would create several copies of exactly the same sales page hoping that quantity over quality would prevail plus they would create a sale in one of these many websites selling something. With the advancement of se's, they're now in a position to find excessive duplicated content and rank it accordingly.
A difficult tactic to track is "interlinking". Interlinking is building several websites (sometimes dozens as well as hundreds) and linking them together to create a network of links. This plan has some white-hat merit, remember, black-hat may be the intentional deception of the various search engines. Because you have several websites linked together will not make you search engines spammer - the web is made on linking sites together.
As you can view, several tactics are sneaky and deceptive. They're considered black-hat for grounds and se's take them very seriously. Usage of them may lead to a competitor or visitor reporting your site as internet search engine spam, if any such thing were to occur, your website could disappear from the favorite search engine instantly - irrespective of any legitimate optimization you did before.