Glossary
Clear definitions for common software terms and acronyms used across Altimateguide. This page is a factual reference: definitions are editorial, while tool rankings elsewhere on the site come from the community.
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A/B Testing
A/B Testing
An experimentation method comparing two versions of a page, feature, or flow to determine which performs better based on measured outcomes.
Related: Analytics tools , PostHog , Amplitude , Mixpanel , Trustmary
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Alternatives page
Related options index
A page type listing nearby options commonly evaluated for similar software jobs.
Related: Alternatives
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ARR
Annual Recurring Revenue
A recurring revenue metric used in SaaS planning and software purchasing decisions.
Related: How-to guides