The glossary

233 terms, each answered in one sentence, then explained properly with an analogy and a worked example.

A

Ad depth: Ad depth is the number of search ads returned and shown for a single request or results page.
Ad request: An ad request is a single call from a page to the search feed asking for ads to show for a particular keyword and visitor.
AdSense for Domains (AFD): AdSense for Domains was Google's programme for showing search ads on parked domains; Google removed parked domains as an ad surface on 10 February 2026.
AdSense for Search (AFS): AdSense for Search is Google's programme that lets approved publishers show Google search and shopping ads on their own search results pages and share the revenue.

Bing feed (Microsoft Advertising syndication): A Bing feed is access to Microsoft Advertising's search ads on third-party pages, supplied through Microsoft's syndication partner programme.
Browser extension search monetisation: Browser extension search monetisation is earning search ad revenue from an extension that sets the user's default search, homepage or new tab page to a monetised search engine.

Channel ID (custom channel): A channel ID is a label attached to search ad requests so that revenue and clicks can be reported separately for each page, campaign or traffic source.
Content page (article lander): A content page is an article-style landing page that carries related search units, used to monetise visitors through Related Search on Content.
Coverage (ad coverage): Coverage is the percentage of ad requests for which the search feed returns at least one ad.
Custom Search Ads (CSA): Custom Search Ads is the Google AdSense code that lets a publisher request Google search ads for a query and display them on its own results page.

Default search deal: A default search deal is an agreement in which a search engine pays a browser, phone maker or app to be its pre-set search engine.
Direct feed: A direct feed is a search ad contract held straight with Google, Microsoft or Yahoo, with no feed provider in between.
Display-to-search (D2S): Display-to-search is buying visitors with banner or image ads and sending them to a page that earns from search ads.

Feed approval: Feed approval is the vetting a publisher must pass before a search engine or feed provider lets it show search ads and earn from them.
Feed cap (traffic cap): A feed cap is a limit on how much traffic, how many requests or how much revenue a publisher may run through a search feed in a set period.
Forced keywords: Forced keywords are search terms chosen by the publisher, not typed by the visitor, and passed to the search feed to shape which related searches or ads appear.

Google feed: A Google feed is access to Google's search ads on your own pages, delivered through AdSense for Search and its related search features.

Hosted feed: A hosted feed is a search monetisation set-up where the feed provider or search engine hosts the ad-carrying pages and the publisher only sends traffic.

Keyword lander (keyword block page): A keyword lander is a landing page made mostly of clickable keyword buttons, each leading to a results page of search ads.

Metasearch engine: A metasearch engine is a search site that has no index of its own and instead shows results and ads supplied by one or more larger search engines.

Native-to-search (N2S): Native-to-search is buying visitors from native ad widgets on news sites and sending them to a page that earns from search ads.

One-click flow: A one-click flow is a monetisation path where the visitor lands directly on a page of search ads and needs only one click to earn the publisher money.

Pre-lander: A pre-lander is an extra page shown between the ad and the main monetised page, used to warm up, qualify or filter visitors.

referrerAdCreative: referrerAdCreative is a Google AdSense for Search parameter in which a publisher must send the exact wording of the ad that brought a visitor to a related search page.
Related Search on Content (RSOC): Related Search on Content is a Google AdSense for Search feature that shows search suggestions on an article, each leading to an ad-carrying results page on the same site.
Related search terms: Related search terms are clickable search suggestions shown on a page, each of which opens a results page of ads for that phrase.
Revenue share (rev share): Revenue share is the percentage of advertiser spending that a search engine or feed provider passes on to the publisher whose page produced the click.

Search box monetisation: Search box monetisation is earning money by showing search ads alongside the results when visitors use a search box on your site, app or tool.
Search-to-search (S2S): Search-to-search is buying clicks from search ads on one engine or keyword and sending them to a page that earns from another search feed.
Social-to-search: Social-to-search is buying visitors from ads on social platforms such as Facebook, Instagram or TikTok and sending them to a page that earns from search ads.
Style ID: A style ID is the identifier of a search style saved in an AdSense account that controls how Google search ads and related search units look on a page.

TAC (traffic acquisition cost): TAC is the money a company pays to others to obtain traffic, whether a search engine paying its partners or an arbitrageur paying for ads.
Terms parameter: The terms parameter is an optional field in a Google related search request where the publisher lists its own suggested search terms, separated by commas.
Two-click flow: A two-click flow is a monetisation path where the visitor first clicks a keyword and then clicks a search ad, with only the second click earning money.

Yahoo feed: A Yahoo feed is access to search results and search ads supplied by Yahoo to partner sites, apps and browser tools in return for a revenue share.