Cache
Copy of a web page stored by a search
engine. When you search the web you are
not actively searching the whole web, but
are searching files in the search engine
index.
Some search engines provide links to cached
versions of pages in their search results,
and allow you to strip some of the formatting
from cached copies of pages.
Call To Action
A call to action is copy used in advertising
to encourage a person to complete an action
as defined by the advertiser.
Call to action words are "doing words"
such as "Click here", "Buy
Now", "Enter Now" or "Click
to download".
Cloaking
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 are 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.
CMS
Content Management System. Tool used to
help make it easy to update and add information
to a website. Blog software programs are
some of the most popular content management
systems currently used on the web.
Cold Fusion
A web scripting language with limited
capabilities, mostly centered around database
access. ColdFusion program files are saved
on the web server with a .CFM file extension.
Content Integration
Advertising woven into editorial content
or placed in a special context on the page,
typically appearing on portals and large
destination sites. Also known as web advertorial
or sponsored content.
Conversion
The act of converting a web site visitor
into a customer or at least taking that
visitor a step closer to customer acquisition
(such as convincing them to sign up for
your e-mail newsletter)
Conversion rate
The rate at which visitors get converted
to customers or are moved a step closer
to customer acquisition.
Cost Per Action (CPA)
The cost incurred or price paid for a
specific action, such as signing up for
an email newsletter, entering a contest,
registering on the site, completing a survey,
downloading trial software, printing a coupon,
etc.
Cost Per Click (CPC)
The cost incurred or price paid for a
clickthrough to your landing page.
Cost Per Lead (CPL)
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.
Cost Per Order (CPO)
Pricing based on the number of orders
received as a result of your ad placement.
Also known as cost-per-transaction.
Cost Per Sale (CPS)
Pricing based on the number of sales transactions
your ad generates. Since users may visit
your site several times before making a
purchase, you can use cookies to track their
visits from your landing page to the actual
online sale. Also known as cost-per-acquisition
or pay-per-sale.
Cost Per Thousand (CPM)
The cost incurred or price paid for a
thousand impressions.
Counter
A simple program, which tracks the total
number of webpage impressions.
Crawler
See "spider".
CSS
Cascading Style Sheet - used to control
the design of website.
CTR - Click Through Rate
Click Through Rate is a measure of the
number of clicks received from the number
of ad impressions delivered. The formula
to calculate CTR is:
“number of clicks” / “number
of ad impressions” x 100
Custom error page
You can customize the content and the
look-and-feel of the default page that is
displayed on your web server when a 404
File Not Found error occurs. A good 404
error page has a friendly message explaining
that the page they requested doesn't exist
at the location.
Creating a custom 404-error page not only
helps keep visitors in your site, it is
also an important part of the search engine
optimization process.
Cutts, Matt
Matt Cutts heads the Search Quality team
of Google and specializes in search engine
optimization issues. He is well known in
the SEO community for enforcing the Google
Webmaster Guidelines and cracking down on
link spam.
Cutts also advised the public on how to
get better website visibility in Google.
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