Home › Definitions › C C SEO Glossary · Letter C SEO definitions starting with C 10 terms start with the letter C. Caffeine Caffeine is a program launched by Google in 2010 to update its web indexing and crawling system to… Camel Case The English term Camel Case, > or > in French, is a notation that consists of writing sequences… Canonical tag or Canonical URL A canonical tag (rel = canonical) is a piece of HTML code that helps Google rank a specific… Cloaking Cloaking is a Black Hat optimization technique that consists in preparing different contents for the same query. As… Clustering Also known as " data clustering/partitioning" , clustering is an organization strategy that consists of partitioning a heterogeneous… Cold emailing Cold emailing is an email prospecting strategy that consists of sending an email to a potential customer with… Content Spinning Content Spinning is a writing technique that consists in producing new editorial content in an automated way from… Conversion Rate The conversion rate is the percentage of people who have completed a desired action out of the total… Crawler or Robot A web crawler or robot (also called "crawlers", "indexing robots", or "web spiders") is an automated program that… SEO Contest An SEO contest is a prize-giving activity that pits search engine optimization professionals against each other. The challenge… Browse another letter A 15 B 12 C 10 D 10 E 10 F 3 G 31 H 4 I 7 J — K 10 L 12 M 9 N 5 O 2 P 8 Q 1 R 5 S 21 T 15 U 8 V 4 W 3 X 1 Y 3 Z 1