CTR - Click Through Rate

Click Through Rate is a measure of the number of clicks received from the number of ad impressions delivered. 

Cost Per Order (CPO) | SEO Glossary: C

Pricing based on the number of orders received as a result of your ad placement. Also known as cost-per-transaction.

Cost Per Lead (CPL) | SEO Glossary: C

Pricing based on the number of new leads generated.

For example, people who click from an ad and then complete an inquiry form is considered to be a lead. The advertiser would pay based on the number leads received.

Cloaking | SEO Glossary: C

Serving different content to search engine spiders than to human visitors. Cloaking is basically a "bait and switch" tactic, where the web server feeds visiting spiders content that is keyword-rich, thus fooling the search engine into placing that page higher in the search results. Yet when the visitor clicks on the link they are given different content, which may be totally unrelated. Search engines frown upon this practice and some will penalize or ban sites that they catch doing it.

Clickthrough Rate | SEO Glossary: C

The rate at which people click on a link such as a search engine listing or a banner ad. Studies show that clickthrough rates are six times higher for search engine listings than banner ads.

Clickthrough | SEO Glossary: C

The action of clicking an ad element and causing a redirect to another web page.

Clickthrough | SEO Glossary: C

The action of clicking an ad element and causing a redirect to another web page.

Clickthrough | SEO Glossary: C

The action of clicking an ad element and causing a redirect to another web page.

Clickthrough | SEO Glossary: C

The action of clicking an ad element and causing a redirect to another web page.

Click-down Ad or Click-within Ad | SEO Glossary: C

An ad that allows the user to stay on the same web page, while viewing requested advertising content. Click-downs display another file on the user's screen, normally below or above the initial ad.

Click-withins allow the user to drill down for more information within the ad.

Cgi-bin | SEO Glossary: C

A "virtual" directory contained in URLs indicates a CGI (Common Gateway Interface) script is in use. A sure tip-off to the spider that your page is dynamic.

Call To Action | SEO Glossary: C

Call to action words are "doing words" such as "Click here", "Buy Now", "Enter Now" or "Click to download"

and

A call to action is copy used in advertising to encourage a person to complete an action as defined by the advertiser.

Cache | SEO Glossary: C

Copies of web pages stored locally on an Internet user's hard drive or within a search engine's database. A cache is the reason why web pages load so quickly when a user hits the Back button in their web browser, since the page is not being re downloaded off of the Internet. Google is unusual among search engines in that it allows Internet users to view the cached version of web pages in its index. Simply click on the word "Cache" next to the search result of interest and you will be taken to a copy of the page as Googlebot discovered and indexed it.This feature of Google makes it easy to spot cloaking..

Blacklist | SEO Glossary: B

Lists that either search engines or vigilante users compile of search engine spammers, which may be used to ban those spammers from search engines or to boycott them.

Back links | SEO Glossary: B

Back links are inbound links pointing to a web page.


Inbound links (IBL):- Links that point to your site from sites other than your own. Inbound links are an important asset that will improve your site's PageRank (PR).

Alt Attribute | SEO Glossary A

The ALT attribute is designed to be an alternative text description (provide a text equivalent) for images.