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RAJAR Ratings
RAJAR is the official UK radio audience measurement system that tracks listening figures across commercial and BBC stations, essential for media planning and ad
Invalid Traffic (IVT)
Traffic generated by non-human sources or unintended user interactions that doesn't represent genuine audience engagement with digital ads.
Circulation vs Readership
Circulation measures physical copies distributed; readership counts total people who see the publication. Both metrics matter for print media planning and ROI.
First Input Delay (FID)
First Input Delay measures how long a webpage takes to respond to user interaction. A Core Web Vital metric critical for search rankings and user experience.
Opportunity to See (OTS)
The number of times an individual has a chance to see an out-of-home advertisement during a specific campaign period or timeframe.
Cost Per Thousand (Audio CPT)
Cost Per Thousand is the price paid for every 1,000 audio impressions or listener exposures, commonly used to benchmark radio and podcast advertising efficiency
Companion Banner (Audio)
A visual display ad that accompanies audio content, syncing with radio or streaming audio to provide complementary branding or messaging alongside the audio exp
Cost Per Thousand (Print CPT)
Cost Per Thousand (CPT) measures the price of print advertising per 1,000 impressions, helping agencies compare efficiency across publications.
In-Market Audience
Consumers actively researching or comparing products in a specific category, ready to make a purchase decision in the near term.
View-Through Conversion
A conversion that occurs after a user views a display ad but doesn't click it, then later completes a desired action like a purchase or signup.
Posting Period
The contracted duration for which an out-of-home advertisement remains displayed on a billboard, transit site, or digital screen.
Dynamic Ad Insertion (DAI)
Technology that inserts targeted ads into podcast episodes at runtime, enabling personalized messaging to listeners without re-recording content.
Sellers.json
A standardized file format that publishers use to declare their inventory, pricing, and sales policies to programmatic buyers in a machine-readable format.
Video on Demand (VOD) Advertising
Advertising placed within on-demand video content, allowing viewers to see ads while watching programmes on their schedule rather than live broadcast.
Session Recording
Session recording captures and replays user interactions on your website, showing mouse movements, clicks, scrolling and form inputs to reveal how visitors navi
Custom Audience
A targeted audience segment created from your own customer data, enabling precise ad delivery to people who've already engaged with your brand.
Spot Ad (Radio)
A short, targeted radio advertisement aired between programmes or during station breaks. Spot ads are typically 15-60 seconds and bought on a per-placement basi
Frequency Capping
A technique that limits how many times an ad is shown to the same user within a set timeframe, preventing ad fatigue and wasted spend.
Rich Media Ad
Interactive digital advertisements with embedded video, animation, or user engagement features that go beyond static display ads to capture attention and drive
Programmatic Guaranteed
A direct media buying agreement where an advertiser reserves guaranteed ad inventory at a fixed price, combining programmatic efficiency with traditional guaran