what is Black hat SEO ? Why is it not recommended
Blackhat SEO
Black hat SEO refers to unethical and manipulative techniques used to improve a website’s search engine ranking. These tactics violate search engine guidelines and can result in penalties or even getting the website banned from search results.
Some common black hat SEO techniques include keyword stuffing, cloaking, link farming, hidden text, and doorway pages.
keyword stuffing
Keyword stuffing involves using the same keyword excessively in the content, meta tags, or URLs to manipulate search engine rankings.The below image is a small example of Keyword stuffing.

Keyword density
Google can determine the number of times a keyword or phrase appears on a page and use that to calculate its density. If the density is too high, it may signal to Google that the content is low-quality and designed primarily for search engines rather than users.
Semantic analysis
Google’s algorithm can analyze the meaning of a page’s content and identify when keywords are being used unnaturally or out of context. This allows it to detect instances of keyword stuffing even when the density isn’t necessarily high.
User behavior
Google tracks user behavior, including bounce rates and time spent on a page, to determine whether users are finding the content valuable. If a page is stuffed with keywords but doesn’t provide useful information, users are likely to leave quickly, which can signal to Google that the page is low-quality.
When Google’s algorithm detects keyword stuffing, it may penalize the offending site by lowering its search rankings or even removing it from the search results entirely. This can have a significant impact on the site’s traffic and visibility, so it’s important to avoid keyword stuffing and instead focus on creating high-quality, user-focused content.
cloaking
Cloaking is a technique that some websites use to show different content to search engine bots than what is shown to actual users. The purpose of cloaking is to manipulate search engine rankings by presenting search engines with content that is optimized for ranking while presenting actual users with different content that is optimized for user experience.
Google’s algorithm penalizes cloaking because it goes against their Webmaster Guidelines, which state that websites should provide the same content to both users and search engines. If a website is caught cloaking, Google may take action against the site by lowering its search engine rankings or even removing it from the search results altogether.
To detect cloaking, Google uses a number of techniques such as comparing the content that is served to search engine bots with the content that is served to actual users, analyzing the code on the page to look for signs of cloaking, and monitoring user behavior to see if the content is different for different users.
If Google detects cloaking on a website, they may issue a manual penalty or an algorithmic penalty. A manual penalty is issued by a Google employee who manually reviews the website and decides to take action against it. An algorithmic penalty is automatically applied by Google’s algorithm when it detects cloaking on a website.
To avoid being penalized for cloaking, it is important to make sure that the content on your website is the same for both users and search engines. This means avoiding techniques such as hiding text or links, showing different content based on IP address or user agent, or using sneaky redirects.
Link Farming
Google algorithm penalizes link farming by identifying and devaluing links that are obtained through manipulative and spammy techniques. Link farming is a practice in which a group of websites link to each other to increase their search engine rankings, without any legitimate reason or relevance to their content.
When Google detects link farming, it may apply various penalties to the websites involved. These penalties can include a decrease in search engine rankings, removal of the website from search results, or even a complete ban from the search engine. Image source : WIKIPEDIA
Here are some of the ways that Google algorithm penalizes link farming:
Devaluation of Links
Google may devalue the links obtained through link farming by reducing their impact on search engine rankings. This means that even if a website has a large number of links from link farms, they will not be given much weight in the search engine ranking algorithm..
Manual Penalties
Google may manually review the website and apply penalties if it detects link farming. This can result in a decrease in search engine rankings or even a complete removal of the website from search results..
Algorithmic Penalties
Google’s algorithm can also detect link farming and apply penalties automatically. These penalties can be applied to the entire website or specific pages that are involved in link farming.
Negative SEO
Link farming can also be used as a negative SEO technique to harm competitors’ rankings by pointing spammy links to their website. In such cases, Google can penalize both the website involved in link farming and the website being targeted by negative SEO.
In summary, Google algorithm penalizes link farming by identifying manipulative and spammy link-building practices and applying penalties that can decrease search engine rankings, remove websites from search results, or even ban them from the search engine..Hidden Text

Google’s algorithm penalizes hidden text because it violates Google’s Webmaster Guidelines. Hidden text refers to text that is deliberately hidden on a web page, often by using techniques such as setting the font color to match the background color, or by placing the text behind an image or other element on the page. The purpose of hidden text is usually to manipulate search engine rankings by including keywords that are not visible to users but can be picked up by search engines.
If Google’s algorithm detects hidden text on a web page, the page may be penalized by having its ranking lowered or even removed from Google’s search results. This is because hidden text is considered a deceptive or manipulative practice, which is not in line with Google’s goal of providing users with high-quality, relevant search results.
To avoid being penalized for hidden text, website owners should ensure that all text on their pages is visible and easily readable by users. Any attempts to hide text from users or manipulate search engine rankings are likely to be detected by Google’s algorithm and can result in penalties that may be difficult to recover from.
Doorway Pages
Google’s algorithm penalizes doorway pages because they are considered a form of spam that aims to manipulate search engine results. Doorway pages are created specifically to rank highly for certain keywords or phrases and then redirect users to a different page. image source : cultofweb
To detect and penalize doorway pages, Google’s algorithm uses a variety of techniques, including some of the above practices
When Google detects doorway pages, it may apply a penalty to the entire site or specific pages, causing a drop in rankings and traffic. To avoid penalties, it’s important to create high-quality content that provides value to users and avoids manipulative practices like doorway pages .
In conclusion, black hat SEO techniques are not recommended because they violate search engine guidelines and can lead to penalties or even getting banned from search engines altogether. These techniques may bring short-term gains in website traffic and rankings, but they are not sustainable in the long term and can damage the website’s reputation and credibility. It’s important to prioritize ethical and legitimate SEO practices to ensure the website’s long-term success and visibility in search engine results pages.