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Discoverability surfaces
The number of months it takes for the gross profit from a new customer to repay the fully-loaded cost of acquiring them. CAC payback = CAC / (ARPA × gross margin), measured in months. Healthy SaaS sits under 12 months; over 24 months is a warning sign that the business needs cheaper acquisition channels or higher-margin contracts. CAC payback is cash-flow-oriented where LTV:CAC is unit-economics-oriented — both are needed.
Programmatic SEO, AEO, GEO, AIO, and the schemas behind them.
A content strategy that generates hundreds or thousands of search-optimized pages from structured data using templates.
The practice of structuring website content so that AI assistants and large language models (LLMs) can accurately cite it when answering user questions.
An open protocol that allows websites to notify search engines (Bing, Yandex, Seznam, Naver, and others) about new or updated content in real time.
Structuring content so that answer engines — Google's People-Also-Ask, Reddit pull-quotes, Quora top answers, ChatGPT search results, Perplexity citations — can extract a complete, self-contained answer in 40–80 words.
The subset of GEO/AEO targeted specifically at Google's AI Overviews (formerly SGE).
A Schema.
JavaScript Object Notation for Linked Data — the W3C-standard syntax for embedding structured data in web pages.
A Schema.
This definition is published under CC BY 4.0. Cite as:
The Data Nerd. "CAC Payback." VC Deal Flow Signal Glossary, https://signals.gitdealflow.com/define/cac-payback.
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