Do you know the difference between a double opt-in and an opt-out? What about a qualified lead and an unqualified lead? Find out by using the below feature to search through our Lead Generation Glossary.
The glossary is being updated all the time. If you think there is anything missing, please get in touch to let us know at justin@theonlineadvertisingguide.com
Please note: The below contains
- terms related to Lead Generation
- acronyms of Lead Generation terms
- abbreviations of Lead Generation terms
- synonyms of Lead Generation terms
If you’re looking for something specific, we recommend you use the search box.

a
- Abandoned Cart EmailAn Abandoned Cart Email is an email sent to people who started adding things to their shopping... Learn More >
- A/B TestingA/B Testing (or split testing) is where you show two different variants of something (an ad or... Learn More >
b
- BoFuIn digital marketing, BoFu means "Bottom of Funnel" and refers to content that drives... Learn More >
- Bottom of FunnelIn digital marketing, BoFu means "Bottom of Funnel" and refers to content that drives... Learn More >
c
- Close RateClose Rate is the percentage of leads that turn into conversions. You calculate it simply by... Learn More >
- ConversionWhat is a Conversion? Conversion is the generic term used for an action or acquisition... Learn More >
- Cost Per LeadWhat does CPL mean? The CPL price means that every time the advertiser gets a lead (a potential... Learn More >
- CPLWhat does CPL mean? The CPL price means that every time the advertiser gets a lead (a potential... Learn More >
d
- Double Opt-inAn Opt-In process where after a user has entered their details, they have to take a further... Learn More >
e
- Email ListOften referred to as an Email Marketing List. A list of email addresses that a company gathers... Learn More >
- Email MarketingEmail Marketing is the process of sending out emails en masse with a marketing message. It is... Learn More >
g
- Golden Questions"Golden Questions" are a set of questions that tell you more than just the answers. These are... Learn More >
i
- Inactive SubscriberIn email marketing, the term ‘Inactive Subscriber’ refers to someone who has chosen to continue... Learn More >
l
- LeadA potential customer, or a way to get in touch with a potential customer (eg email address,... Learn More >
- Lead GenerationLead generation (or Lead Gen) is the gathering of potential customers' contact information and... Learn More >
- Lead MagnetA lead magnet is an incentive offered to users, often in exchange for their data or their... Learn More >
- LIOriginally contributed by Eun Rockwell. Last updated May 2023. LinkedIn is a social network... Learn More >
- Lifetime ValueLTV (often called Customer Lifetime Value or CLTV) is an attempt at predicting the amount of... Learn More >
- LinkedInOriginally contributed by Eun Rockwell. Last updated May 2023. LinkedIn is a social network... Learn More >
- LTVLTV (often called Customer Lifetime Value or CLTV) is an attempt at predicting the amount of... Learn More >
m
- MetricsMetrics are measurable statistics that are used in digital marketing to improve performance such... Learn More >
- Middle of FunnelIn digital marketing MoFu means "Middle of Funnel" and refers to content that draws people... Learn More >
- MoFuIn digital marketing MoFu means "Middle of Funnel" and refers to content that draws people... Learn More >
o
- Open RateOpen Rate is the percentage of people who were sent an email who opened it. It is one of the... Learn More >
- OptimisingWhat does optimising mean? Optimising means making changes to improve performance. It is a... Learn More >
- Opt-In‘Opt-in’ or ‘Opting in’ means requiring a user to make an active, positive choice to increase... Learn More >
- Opt-OutIn email marketing, an opt-out means unticking a pre-ticked box that says "I would like to... Learn More >
- OverlayWhat is an Overlay (or Floater)? An Overlay (or Floater as they are known in the US) is an IAB... Learn More >
q
- Qualified LeadsQualified Leads are leads that are likely to become sales, as they have had some secondary test... Learn More >
- QualifyThe process of seeing how 'good' a lead is. For example, someone may sign up for a test drive on... Learn More >
r
- Return On InvestmentWhat is an ROI? ROI stands for Return on Investment and means the amount of money you get back... Learn More >
- ROIWhat is an ROI? ROI stands for Return on Investment and means the amount of money you get back... Learn More >
s
- Sales Confirmation PageA sales confirmation page is a webpage that confirms a purchase has been made online. It appears... Learn More >
- Single Opt-inAn Opt-In which only has one step. For example, entering an email address into a box and then... Learn More >
- Social ProofA way of expressing that people like/agree with an action, often by using usage stats. For... Learn More >
- SubscriberThis is the name for a person or group of people who have voluntarily decided to become notified... Learn More >
t
- ToFuIn digital marketing, ToFu means "Top of Funnel" and refers to the first real contact someone... Learn More >
- Top of FunnelIn digital marketing, ToFu means "Top of Funnel" and refers to the first real contact someone... Learn More >
- TrafficTraffic in online advertising is a catch-all term for visitors to a site (the online equivalent... Learn More >
- TroubleshootingThe process of systematically testing for, finding and fixing problems (such as broken ads,... Learn More >
u
- Unqualified LeadAn unqualified lead is one that has been gathered, but no further testing has been done to... Learn More >
- UnsubscribeWhen someone unsubscribes from something, it means they have decided they no longer want to... Learn More >
- Unsubscribe LinkAll email marketing is required to have a working Unsubscribe link contained within it. An... Learn More >
- Unsubscribe RateIn email marketing, the unsubscribe rate means the percentage of your users who are choosing to... Learn More >
w
- WOMWord Of Mouth (or WOM) in marketing means when people tell each other about a product/company... Learn More >
- Word Of MouthWord Of Mouth (or WOM) in marketing means when people tell each other about a product/company... Learn More >
z
- ZapierA company with a set of tools which link different platforms to make them easier to use (for... Learn More >
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