Cache 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 redownloaded off of the Internet. Google is unusual […]

Also known as Spider or Robot, a crawler is a search engine program that “crawls” the web, collecting data, following links, making copies of new and updated sites, and storing URLs in the search engine’s Index. This allows search engines to provide faster and more up-to-date listings.

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.

Also known as cost-per-impression or CPM for cost-per-mille (mille is the Latin word for thousand), cost-per-thousand is an advertising revenue system used by search engines and ad networks in which advertising companies pay an agreed amount for every 1,000 users who see their ads, regardless of whether a click-through or conversion is achieved. CPM is […]

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.

Also known as pay-per-click or pay-for-performance, cost-per-click is an advertising revenue system used by search engines and ad networks in which advertising companies pay an agreed amount for each click of their ads. This Click-Through Rate-based payment structure is considered by some advertisers to be more cost-effective than the Cost-Per-Thousand payment structure, but it can […]

In a cost-per-action advertising revenue system, advertisers are charged a Conversion-based fee, i.e. each time a user buys a product, opens an account, or requests a free trial. CPA is also known as cost-per-acquisition, though the term cost-per-acquisition can be confusing because it also refers to a return on investment model.

Information placed on a visitor’s computer by a web server. While the web site is being accessed, data in the visitor’s cookie file can be stored or retrieved. Mostly cookies are used as unique identifiers (i.e. user IDs or session IDs) to isolate a visitor’s movements from others’ during that visit and subsequent visits. Other […]

Conversion rate is the next step up from Click-Through Rate. It’s the percentage of all site visitors who “convert” (make a purchase, register, request information, etc.). If three users buy products and one user requests a catalogue out of ten daily visitors, a site’s conversion rate is 40%.

Conversion analytics is a branch of Analytics concerned specifically with conversion-related information from organic and paid search engine traffic, such as the keywords converts used in their queries, the type of conversion that resulted, landing page paths, search engine used, etc.