| cookie values | The data in cookie files. |
| null query | Noun phrase. A null query produces no relevant documents as a search result. Alt. A null query may include only documents with null relevance (q.v.). |
| wikipedia test | Noun phrase. A critical thinking technique that serves as a foil against weak logic and false claims. Given any assertion about how a search engine processes Websites, if it can be shown that the same search engine does not process Wikipedia that way then it follows the assertion is probably untrue. e.g., Using subfolders is better for SEO than using subdomains. This assertion fails the Wikipedia Test because Wikipedia only publishes its content on non-www subdomains and it is considered one of the most SEO-successful Websites, ranking 1st or in the top results for millions of queries. |
| infographic | Noun. A large, oversized image in which many purported facts have been embedded in a stylized format. The intent of the infographic is to encapsulate useful, interesting information in an easy-to-read manner. Infographics cannot be indexed by search engines but they have given rise to Infographic Spam (q.v.). |
| affiliate marketing | Affiliate marketing programs allow independent marketers (affiliates) to get paid on a cost per action (CPA) model. Affiliates earn more money based on how successful they are in attracting visitors to their sites. |
