| algorithm | A complex computer program used by search engines to retrieve data and deliver results for a query. Search engines use a |
| canonical issues | Essentially canonical issues refer to duplicate content. It an issue that is difficult to avoid at times, but these issues can be resolved by using the noindex meta tag and 301 server redirects. |
| infographic spam | Noun phrase. Infographics (q.v.) created for the purpose of attracting links from other Websites, often providing little unique value, sometimes criticized for being inaccurate and misleading. In June 2012 Google engineer Matt Cutts warned that Google may devalue Infographic links in a future algorithmic update. |
| cart abandonment | On ecommerce websites, the percentage of visitors who added a product to their cart and left the website before completing a purchase. |
| competition | There are two types of competition: |
