Back to glossary


Webspam, also known as search engine spam or spamdexing, refers to the use of deceptive tactics and manipulative techniques to artificially inflate a website’s search engine rankings.

It is against the guidelines of search engines like Google, Bing, and Yahoo, and websites caught engaging in webspam may face penalties, including lower rankings or removal from search engine results altogether.

Webspam techniques can be classified into two categories:

  1. On-page webspam: This involves manipulating the content and structure of a website to deceive search engines. Some common on-page webspam techniques include:
  • Keyword stuffing: Repeating keywords excessively in the content, meta tags, or alt attributes in an attempt to manipulate rankings.
  • Hidden text or links: Placing text or links with the same color as the background or using CSS to hide them from users while making them visible to search engine crawlers.
  • Cloaking: Serving different content to search engines and users, usually to deceive the former and manipulate rankings.
  1. Off-page webspam: This involves manipulating external factors, such as backlinks, to artificially boost a website’s search engine rankings. Some common off-page webspam techniques include:
  • Link schemes: Participating in link exchange programs, buying or selling links, or using automated programs to create links to a website.
  • Private Blog Networks (PBNs): Creating a network of websites with the sole purpose of generating backlinks to a target website in an attempt to manipulate search engine rankings.
  • Negative SEO: Intentionally damaging a competitor’s website or its search engine rankings, usually by creating low-quality or spammy backlinks pointing to their site.

Search engines, particularly Google, continuously update their algorithms to combat webspam and provide users with the most relevant and high-quality search results. Google’s major algorithm updates, such as Panda, Penguin, and Hummingbird, have targeted various webspam techniques over the years.

To avoid penalties and maintain a strong online presence, it’s essential for webmasters to adhere to search engine guidelines and focus on creating high-quality content and earning natural backlinks.

External resources:

  1. Google Webmaster Guidelines
  2. Google’s guide to preventing and reporting webspam