[A-B]      [C-H]      [I-K]      [L-M]      [N-P]      [Q-R]      [S]      [T-Z]

SEO Terms: C-H

Cache: refers to the memory area which stores copies of web pages on your PC that make it easier for you to open up a website. Google allows its users to access cached pages of listed website.

Click-through Rate: is the rate at which visitors on a search engine click on search listing or banner ads. The click-through rate for search listings is far higher than that for banner ads.

Cloaking: is the process by which websites provide spiders keyword rich content so as to assure a good search listing. However the audience is not shown this data and in contrast finds useless and irrelevant information.

Conversion Rate: is the actual rate at which visitors to the website become customers.

Cookie: is the information that is placed by a web server on a visitor's computer. It is accessed and retrieved once the web site is visited. Cookies are frequently used for user IDs, for e-mail addresses, etc.

Cost-Per-Action: As the phrase suggests it is the price charged for an action such as signing up for an e-zine, downloading trial software, entering a contest online, etc. It is an online advertising payment model.

Cost-per-click: or CPC is the charge that has to be paid to a search engine every time a visitor goes to your website by clicking on a link.

Cost per Thousand: is the price that is to be paid by the client to the search engine for a thousand click impressions. Impression means the number of times an ad or a banner is downloaded and is assumed to be seen by the visitors.

Crawler: is another term for search engine spiders that regularly search websites for data and information and store in the database.

Google Bombing: is when a group of websites mostly blogs link an unfavorable page to a company website in a manner that it ranks high on the Google search result. This takes advantage of hyper link and PageRank as a group of websites with high PageRank can link to the unflattering page that would lead to it coming up on search results when you search for the company.

Google Cache: are the cached pages of website that are stored on Google and visitors are free to access them. It is a snapshot of how the Google spider saw it when it indexed the page.

Googlebot: Googlebot is the spider used by Google to search or crawl websites. It usually does so monthly but for websites that show a daily change in content it visits it daily and marks the search result as 'Fresh'.

Googleware: refer to the various tools available on Google to search, research, report and play with. This includes Adwords, Google Earth, Blogsearch, Google News and Froogle.

Heading Tag: is an HTML tag used to mark an important page or section of a web page. This is important to the website search engine ranking as search engines pay importance to heading tags that are considered as being important to the web page.

Hits: Whenever a user requests a page from the server, each request is termed as a ' hit'. A hit doesn't just stand for the one page being opened but will also include the graphics that open on the web page i.e. each element present in a page is counted for a hit. Thus a page with 10 graphics would have 11 hits every time that it is down loaded: 10 hits for graphics and 1 hit for the HTML page.

HTML: stands for Hypertext Markup Language, which is a programming language utilized to mark web content. It is shown in a set format.

Hyperlink Text: is the underlined text that links to another web page. Search engines pay special attention to the keywords used in the hyperlink text and relate it to the web page. This may be used negatively for Google bombing.

Hyperlinks: are links that are shown as URLs and take the Internet user to another web page. Hyperlinks may be text or graphics.