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Discoverability surfaces
One of the four DORA metrics — the percentage of changes to production that result in degraded service, requiring hotfix, rollback, or remediation. Elite and high-performing teams: 0-15%. Medium and low performers: 16-30%. Despite intuition that high deployment frequency causes more failures, DORA research shows the opposite — high performers have BOTH high deployment frequency AND low change failure rate, because small batches reduce per-change risk.
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. "Change Failure Rate (DORA)." VC Deal Flow Signal Glossary, https://signals.gitdealflow.com/define/change-failure-rate.
The free Acceleration Watch turns terms like Change Failure Rate (DORA) into five named, accelerating startups every Sunday — translated into plain English, 21 to 47 days before the deck circulates. No code-reading, no card.